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China factory PPGI PPGL Chain Drive Pre-Cutting Automatic Galvanized Steel C/Z Purlin Roll Forming Machine Factory Price with ISO9001/Ce Certificate near me shop

Product Description

PPGI PPGL Chain Drive Pre-Cutting Automatic Galvanized Steel C/Z Purlin Roll Forming Machine Factory Price with ISO9001/Ce Certificate

Product Description

AUTO-Change type C To Z Purlin Machine for C80-300 & Z140-300 Profile

Profile Drawing

 

Pre-Punching Device

                            Main Machine

With feeding material guide, body frame made from H450 type steel by welding
Side wall thickness: Q235 t30mm ;Tie rod:ф22 Galvanized
Rollers manufactured from Gcr15/Cr12 steel,CNC lathes,Heat Treatment
with thickness 0.04mm,surface with mirror treatment
Shafts Diameter=ф90mm,precision machined
Gear/Sprocket driving,about 21-step to form(19-step to form and 3 step for final shaping).
Main Motor=18.5KW , Frequency speed control
Speed redcucer motor:K series;
Size changing motor:6pcs, Automatically controlled by PLC Programing.
All the screw bolts with grade 8.8
Real forming speed 20m/min (depending on the number of punching holes)

              Post Hydraulic Cutting Device

to cutting,Two pieces type of cutting blade design, no blanking
Hydraulic motor:7.5KW,with Hydrualic Pre-Cutting&Punching Device Share a hydraulic station ;
Cutting tool material: Cr12MoV
The cutting power is provided by the main engine hydraulic station
Plus our PATENTED hydraulic UNIVERSAL post-cutting device(NO NEED TO CHANGE cutting die for different size like traditional purlin machine), which make the cut profile looks better

 

PLC Control System
Control The Quantity And Cutting Length Automatically
Input The Production Data(Production Batch,pcs,Length,etc.)On The Touch Screen ,It Can Finish The Production Automatically.

Combined With PLC, Inverter, Touch Screen, Encoder, etc
PLC Siemens (German brand)/Schneider(French brand)
Inverter Siemens (German brand)/Schneider(French brand)
7-Inch Color Touch Screen Siemens (German brand)/Schneider(French brand)
Encoder Omron (Japan brand)Switch Bottom, Indicate Light, Power Supply, Intermediate Relay, AC Contactor
Thermal Relay Siemens(German brand)/Schneider(French brand)
Air Switch LG-LS(Korea brand)
Cut-to-Length Tolerance≤±1 mm
Control Voltage 24V

After-Sale Service
1. The warranty is 24 months after the client receives the machine.
Within The 24months, we will courier the replacement parts to the client free of charge
2.We offer technical support for the entire life of our machines
3. We can send our technicians to install and train the workers in the clients’ factories with extra cost

Terms Of Trade

Minimum order quantity (MOQ) 1 Set
Delivery time about 45 workdays
Port of loading port of HangZhou
Type of payment by T/T or by L/C
Export to more than 80 countries and regions, including South Korea,ZheJiang , UK, Ireland, Greece, Australia,
USA, Mexico, Brazil, Russia,Saudi Arabia, UAE, Iran , India, Singapore, Malaysia, Thailand,
Indonesia, Philippines, Vietnam, South Africa, Nigeria, Egypt, etc

Packing Style

Packing method Main body of machine is naked and covered by plastic film(to protect of dust and corrosion),
loaded into container and steadily fixed in container suitable by steel rope and lock, suitable for long-distance transportation.

 

View more products,click here…

Company Profile

 

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
splineshaft

Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
splineshaft

Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

China factory PPGI PPGL Chain Drive Pre-Cutting Automatic Galvanized Steel C/Z Purlin Roll Forming Machine Factory Price with ISO9001/Ce Certificate   near me shop China factory PPGI PPGL Chain Drive Pre-Cutting Automatic Galvanized Steel C/Z Purlin Roll Forming Machine Factory Price with ISO9001/Ce Certificate   near me shop

China manufacturer with Strong Power Gear Box Drive Road Construction 2 Wave Highway Traffic Crash Barrier Guardrail Roll Forming Machine with high quality

Product Description

FAQ
1.Q: Are you manufacturer or trading company?
A: We are manufacture and trading company.
2.Q:What info you need before you make the proposal?
A:The pipe diameter and thickness range which you need or the profile drawings, material information, your special requirements.
3.Q: what is the MOQ?
A: One set
4.Q: Do you provide installing and debugging overseas?
A: Overseas machine install and worker training services are optional.
5.Q: Can you make the machine according to my design or prototype?
A: Yes, we have an experienced team for working out the most suitable design and production plan for the machine that you are going to book with us.
6.Q: How does your factory do regarding quality control?
A :There is no tolerance regarding quality control. Quality control complies with ISO 9001.every machine has to past testing running before it’s packed for shipment.
7.Q: How can I trust you that machines pasted testing running before shipping?
A: 1) We record the testing video for your reference
2) We welcome you visit us and test machine by yourself in our factory.
8.Q: What about our after-sale service?
A: we provide technical support on line as well as overseas services by skillful technicians.
9.Q: What should I do if I just start a new business?
A:Contact us immediately ,we provide free consultant pre-sales service.Also we can help you to solve the material(steel coil)purchase,worker train,international market price.
10. Q:Can I visit you factory to check machines on-site ? What Should I bring when I visit your factory?
A: We are manufacturer, and we welcome customers to visit our factory. For special product design and develop, we request you bring a piece of testing material, you can test on our machines on-site.
 

How to Choose the Right Worm Shaft

You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
worm shaft

Concave shape

The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
worm shaft

Multiple-thread worms

Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.

Double-thread worm gears

In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
worm shaft

Self-locking worm drive

A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.

China manufacturer with Strong Power Gear Box Drive Road Construction 2 Wave Highway Traffic Crash Barrier Guardrail Roll Forming Machine   with high qualityChina manufacturer with Strong Power Gear Box Drive Road Construction 2 Wave Highway Traffic Crash Barrier Guardrail Roll Forming Machine   with high quality

China Standard Gear Box Transmission System Motor Drives Warehouse Shelve Racks Roll Forming Machine near me shop

Product Description

Factory Lifetime Service! 

Gear box Transmission System Motor Drives Warehouse Shelve Racks Roll Forming Machine

1. Manufacturing roll forming machine since 2003
2. With ISO, SGS, BV and CE certificate
3. 1 year quality warranty
4. Export to more than 20 countries, such as America, Chile, Mexico, Xihu (West Lake) Dis.via, Brazil,
Colombia, Argentina, Ecuador, Australia, Fiji, Papua New Guinea, Kuwait, Syria,
Oman, U. A. E, Nigeria, Tanzania, Ethiopia, Gana, South Sudan, Algeria, Niger,
Philippines, Indonesia, India, and others.

5. Technician can be sent to your factory to install the machine and train your workers

Machine data sheet

                      
Technical parameter
Item Specification
 
Raw Material
Type Galvanized steel sheet
Thickness(mm) 2.0-3.0mm
Yield strength(mpa) 550
Roller material Cr12 mould steel being quenched treatment,with digital-controlled procession
Shaft for rollers  Solid shaft with 82mm,processed with cylindrical grinder
Forming speed(m/min) About 15
Speed adjusting mode Mitsubishi frequency transformer
Roller drive                                                Decelerating motor + Gear drive
Cutting mode Hydraulic cutting
Cutter material  Cr12 mould steel
Length measurement Nemicon Encoder
Control mode Mitsubishi PLC
Operating mode Button + Mitsubishi Touch screen
Main motor power(kw) 2*11KW
Total power(kw) 30.5 KW
Process flow Decoiler — Leveling sheet– Punching holes–Forming—Hydraulic Cutting – product to run out table
                 
Components of machine
Decoiler (manual decoiler and hydraulic decoiler for option) 1set  
Leveling equipment 1set
Punching machine 1set
Roll forming equipment 1set
Post cutting equipment 1set
Hydraulic station 1set
Plc control panel 1set
Run out table (auto. Stacker for option) 1set  

About Xihu (West Lake) Dis.

Our customers

 

How to Calculate the Diameter of a Worm Gear

worm shaft
In this article, we will discuss the characteristics of the Duplex, Single-throated, and Undercut worm gears and the analysis of worm shaft deflection. Besides that, we will explore how the diameter of a worm gear is calculated. If you have any doubt about the function of a worm gear, you can refer to the table below. Also, keep in mind that a worm gear has several important parameters which determine its working.

Duplex worm gear

A duplex worm gear set is distinguished by its ability to maintain precise angles and high gear ratios. The backlash of the gearing can be readjusted several times. The axial position of the worm shaft can be determined by adjusting screws on the housing cover. This feature allows for low backlash engagement of the worm tooth pitch with the worm gear. This feature is especially beneficial when backlash is a critical factor when selecting gears.
The standard worm gear shaft requires less lubrication than its dual counterpart. Worm gears are difficult to lubricate because they are sliding rather than rotating. They also have fewer moving parts and fewer points of failure. The disadvantage of a worm gear is that you cannot reverse the direction of power due to friction between the worm and the wheel. Because of this, they are best used in machines that operate at low speeds.
Worm wheels have teeth that form a helix. This helix produces axial thrust forces, depending on the hand of the helix and the direction of rotation. To handle these forces, the worms should be mounted securely using dowel pins, step shafts, and dowel pins. To prevent the worm from shifting, the worm wheel axis must be aligned with the center of the worm wheel’s face width.
The backlash of the CZPT duplex worm gear is adjustable. By shifting the worm axially, the section of the worm with the desired tooth thickness is in contact with the wheel. As a result, the backlash is adjustable. Worm gears are an excellent choice for rotary tables, high-precision reversing applications, and ultra-low-backlash gearboxes. Axial shift backlash is a major advantage of duplex worm gears, and this feature translates into a simple and fast assembly process.
When choosing a gear set, the size and lubrication process will be crucial. If you’re not careful, you might end up with a damaged gear or 1 with improper backlash. Luckily, there are some simple ways to maintain the proper tooth contact and backlash of your worm gears, ensuring long-term reliability and performance. As with any gear set, proper lubrication will ensure your worm gears last for years to come.
worm shaft

Single-throated worm gear

Worm gears mesh by sliding and rolling motions, but sliding contact dominates at high reduction ratios. Worm gears’ efficiency is limited by the friction and heat generated during sliding, so lubrication is necessary to maintain optimal efficiency. The worm and gear are usually made of dissimilar metals, such as phosphor-bronze or hardened steel. MC nylon, a synthetic engineering plastic, is often used for the shaft.
Worm gears are highly efficient in transmission of power and are adaptable to various types of machinery and devices. Their low output speed and high torque make them a popular choice for power transmission. A single-throated worm gear is easy to assemble and lock. A double-throated worm gear requires 2 shafts, 1 for each worm gear. Both styles are efficient in high-torque applications.
Worm gears are widely used in power transmission applications because of their low speed and compact design. A numerical model was developed to calculate the quasi-static load sharing between gears and mating surfaces. The influence coefficient method allows fast computing of the deformation of the gear surface and local contact of the mating surfaces. The resultant analysis shows that a single-throated worm gear can reduce the amount of energy required to drive an electric motor.
In addition to the wear caused by friction, a worm wheel can experience additional wear. Because the worm wheel is softer than the worm, most of the wear occurs on the wheel. In fact, the number of teeth on a worm wheel should not match its thread count. A single-throated worm gear shaft can increase the efficiency of a machine by as much as 35%. In addition, it can lower the cost of running.
A worm gear is used when the diametrical pitch of the worm wheel and worm gear are the same. If the diametrical pitch of both gears is the same, the 2 worms will mesh properly. In addition, the worm wheel and worm will be attached to each other with a set screw. This screw is inserted into the hub and then secured with a locknut.

Undercut worm gear

Undercut worm gears have a cylindrical shaft, and their teeth are shaped in an evolution-like pattern. Worms are made of a hardened cemented metal, 16MnCr5. The number of gear teeth is determined by the pressure angle at the zero gearing correction. The teeth are convex in normal and centre-line sections. The diameter of the worm is determined by the worm’s tangential profile, d1. Undercut worm gears are used when the number of teeth in the cylinder is large, and when the shaft is rigid enough to resist excessive load.
The center-line distance of the worm gears is the distance from the worm centre to the outer diameter. This distance affects the worm’s deflection and its safety. Enter a specific value for the bearing distance. Then, the software proposes a range of suitable solutions based on the number of teeth and the module. The table of solutions contains various options, and the selected variant is transferred to the main calculation.
A pressure-angle-angle-compensated worm can be manufactured using single-pointed lathe tools or end mills. The worm’s diameter and depth are influenced by the cutter used. In addition, the diameter of the grinding wheel determines the profile of the worm. If the worm is cut too deep, it will result in undercutting. Despite the undercutting risk, the design of worm gearing is flexible and allows considerable freedom.
The reduction ratio of a worm gear is massive. With only a little effort, the worm gear can significantly reduce speed and torque. In contrast, conventional gear sets need to make multiple reductions to get the same reduction level. Worm gears also have several disadvantages. Worm gears can’t reverse the direction of power because the friction between the worm and the wheel makes this impossible. The worm gear can’t reverse the direction of power, but the worm moves from 1 direction to another.
The process of undercutting is closely related to the profile of the worm. The worm’s profile will vary depending on the worm diameter, lead angle, and grinding wheel diameter. The worm’s profile will change if the generating process has removed material from the tooth base. A small undercut reduces tooth strength and reduces contact. For smaller gears, a minimum of 14-1/2degPA gears should be used.
worm shaft

Analysis of worm shaft deflection

To analyze the worm shaft deflection, we first derived its maximum deflection value. The deflection is calculated using the Euler-Bernoulli method and Timoshenko shear deformation. Then, we calculated the moment of inertia and the area of the transverse section using CAD software. In our analysis, we used the results of the test to compare the resulting parameters with the theoretical ones.
We can use the resulting centre-line distance and worm gear tooth profiles to calculate the required worm deflection. Using these values, we can use the worm gear deflection analysis to ensure the correct bearing size and worm gear teeth. Once we have these values, we can transfer them to the main calculation. Then, we can calculate the worm deflection and its safety. Then, we enter the values into the appropriate tables, and the resulting solutions are automatically transferred into the main calculation. However, we have to keep in mind that the deflection value will not be considered safe if it is larger than the worm gear’s outer diameter.
We use a four-stage process for investigating worm shaft deflection. We first apply the finite element method to compute the deflection and compare the simulation results with the experimentally tested worm shafts. Finally, we perform parameter studies with 15 worm gear toothings without considering the shaft geometry. This step is the first of 4 stages of the investigation. Once we have calculated the deflection, we can use the simulation results to determine the parameters needed to optimize the design.
Using a calculation system to calculate worm shaft deflection, we can determine the efficiency of worm gears. There are several parameters to optimize gearing efficiency, including material and geometry, and lubricant. In addition, we can reduce the bearing losses, which are caused by bearing failures. We can also identify the supporting method for the worm shafts in the options menu. The theoretical section provides further information.

China Standard Gear Box Transmission System Motor Drives Warehouse Shelve Racks Roll Forming Machine   near me shop China Standard Gear Box Transmission System Motor Drives Warehouse Shelve Racks Roll Forming Machine   near me shop

China Custom Kexinda New Customized PLC Control System High Speed Full Automatic Hydraulic Motor Drive Metal C Purlin Cold Roll Forming Machine near me manufacturer

Product Description

 c purlin roll forming machine

Product Description

New Customized PLC Control System High Speed Full Automatic Hydraulic Motor Drive Metal CZ Purlin Cold Roll Forming Machine for Peb Size Adjustable

 

 

The chart of process flow:

Decoilingactive feedingroll formingmeasuring lengthcutting to lengthproduct to stand

 

Main equipment:

Decoiler, main forming machine, hydraulic cutting, product stand, hydraulic systerm, electric systerm

Techenical parameters:

1Automatic inner tight decoiler

A coil inner diameter:450mm-700mm

B max width of coiling: 500mm

C max loading of cloading:4500kg

2 main forming machine:

A number of forming steps:12 or according to customers requirement

B material of shaft:45# adjustable treatment. Outer diameter 70mm

C material of roller:high grade 45# steel (plated chrome on surface)

D main motor power:22kw

E forming speed :8-12m/min or according to the customers requirement

F stand: 350#steel welding

G the plated chrome of roller surface:0.05mm

3 hydraulic cutter:

A material of blade:Cr12with quenched treatment

B cutting systerm: adopt advanced hydraulic drive, automatic cut after forming, no distortion, no waste, high safe factor(main motor stops and cut)

4 product warranty:

12 months and we will provide the technical support for the whole life of the equipment.

 

The chart of process flow:

A Technical specification

(1)   Manual decoiler

(2) Roll-Forming M/C:

(3) Cutting Mechanism

(4)  Hydraulic System

(5)Computer control cabinet :

One counter gauges length, pulses, and decides length

(7) Output table

table

 

Packaging & Shipping

 

Company Information

FAQ

 

1:How to play order:

 

Inquiry—confirm the profile drawings and price—confirm the PI—arrange the deposit or L/C—then OK

 

2:How to visit our company:

 

Fly to ZheJiang airport: By high speed train From ZheJiang Nan to HangZhou Xi(1 hour),then we can pick up you.

 

Fly to ZheJiang Airport:By high speed train From ZheJiang Xihu (West Lake) Dis.ao to HangZhou Xi(4.5hours),then we can pick up you.

 

 

 

3:When we exported the machines:

We have beening making and exporting the machines since from the year of 1998.

 

4:If you want to get more pictures or videos of the machines,I can send them to you by Email or Skype

 

 

 

 

 

 

 

 

 

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
splineshaft

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
splineshaft

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
splineshaft

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

China Custom Kexinda New Customized PLC Control System High Speed Full Automatic Hydraulic Motor Drive Metal C Purlin Cold Roll Forming Machine   near me manufacturer China Custom Kexinda New Customized PLC Control System High Speed Full Automatic Hydraulic Motor Drive Metal C Purlin Cold Roll Forming Machine   near me manufacturer

China factory Full Automatic Size Adjustable Hydraulic Motor Drive Metal CZ Purlin Cold Roll Forming Machine near me manufacturer

Product Description

Full Automatic Size Adjustable Hydraulic Motor Drive Metal CZ Purlin Cold Roll Forming Machine

C or Z Shape Purline Forming Machine can produce many size of C & Z shape purline. The whole line mainly consists of uncoiler and its base, coil sheet flattening equipment, C & Z shape forming system, punching equipment, post-cutting equipment,, hydraulic station, and controlling system.

 

Drawing /Profile

Material Type :GI ,PPGI  Aluminum .
                          Thickness :2.0-3.0mm 
                          Size :C :80-300mm   Z :120-300mm

 

Product Description

 Main Parameter

 1.Components of roll forming machine:
 

o. Item. Unit. Qty.
1. Manual decolier set 1
2. Molding core set 1
3. PLC control box set 1
4. Hydraulic pump set 1
5. Exit rack set 1
6. Cutting system set 1

 

1) Process 

  Manual decoiler→Feeding material into machine→Roll forming machine→Measure  length→Hydraulic cutting→Finished Products 

 

 

 1) Decoiler

 

3T Manual Decoiler 
1) Inner Diameter :450-550mm
2) Width :600mm
3) Capacity :3T

 

 

 2)Main parameter 

Name

Metal Steel CZ Purline Roll Forming Machine

1

Suitable raw material

PPGI/PPGL/GI/GL Steel Coils

2

Thickness of coil sheet 

2-3mm

3

Punching device

round hole or elliptical hole

4

Effective width

C:80-300mm
Z:100-300mm

5

Under frame 

350H-beam

6

Diameter of Soild shaft

80mm, high grade 45# steel, finish turning, cylindrical grinding, with keyway

7

Roller

Gcr15, processed by CNC lathe, Quenched and tempered treatment, 

hard chrome coated 0.05-0.07mm

8

Thickness of middle plate

18mm

9

Forming stations

16

10

Drive type

By chain(1.5 inch) link bearing model 6212

11

Power of main motor

11kw with Cycloidal reducer, 

12

Power of pump station

5.5kw, 

13

Forming speed

About 15-20m/min

14

Hydraulic cutting

Controlled by PLC

15

PLC 

DELTA, ZheJiang / Mitsubishi, Japan

16

Material of cutting blade

Cr12Mov, quenching 58-62ºC

17

Frequency converter

It has the advantage of slowing down before cutting, 

to ensure thelength accuracy(±1mm, far better than 

industrialstandard ±3mm).

            Feeding                                    Forming                                                    Cutting 

Control BOX                                                                    Oil pump
                                                 

3)After-Sales Service

1. we can produce the special machine,send your drawing to us,we can design for you.

 

2. if you buy our products,we also can help you to purchase the material,like color roll,the price is lower than you buy by yourself.

 

3. we provide a one year warranty and lifelong technical support, we can send our technicians to you to give you on-site training.

 

The training period would be for no more than 1 week with the customer paying for the visa, return ticket, food, accommodations and a daily wage of US100.

 

4. engineers available to service machinery overseas.

 

5. if you come to visit our factory,we can book the room for you, car pick up to send.

 

Thanks for visiting our products, if you have interest, pls leave your message, or you can contact us, speical design is avaliable!

 

The real data, the most professinal foreign trade team, your best trustable partner.

 

 

4) Company :Main company and branch

 

 

 

FAQ:

———————————————————————————
 

A:- What service can you provide before order?

– About the pre-sale service. We provide you answers of all your questions on our machines, such as technical parameter, price, payment terms, ect. If you wanna visit our factory and check the machines, we also can send you invitation letter and give you our warmest welcome.

B:- Can you finish the machine during the delivery time?

– We will finish the machine in time according to determined lead time.

C:- Can you provide some spare parts?

– Yes, of course. The quick-wear parts are sent to you together with the machine.

D:- What is the after- sale service?

– About the after-sales service. We can send technician to your country to fix the machine. The buyer should bear all the cost including: visa, Roundtrip ticket and suitable accommodation, also buyer should pay the salary 100USD/day.

The warranty is 1 year. and we will provide the technical support for the whole life. It is free to maintain the machine the first year after buying, including changing the main components. The first year hence, you will pay for our technician $50 per day to maintain the machine. And the components are not free, if you need to get it from us.

E:- Any other service?

– We can manufacture, design, installation and debug various roll forming machines including standard and customized machines.

It is free to assemble machine and train your works, but the buyer should pay for the round-trip airplane ticket, and arrange accommodation during that time.

 

Calculating the Deflection of a Worm Shaft

In this article, we’ll discuss how to calculate the deflection of a worm gear’s worm shaft. We’ll also discuss the characteristics of a worm gear, including its tooth forces. And we’ll cover the important characteristics of a worm gear. Read on to learn more! Here are some things to consider before purchasing a worm gear. We hope you enjoy learning! After reading this article, you’ll be well-equipped to choose a worm gear to match your needs.
worm shaft

Calculation of worm shaft deflection

The main goal of the calculations is to determine the deflection of a worm. Worms are used to turn gears and mechanical devices. This type of transmission uses a worm. The worm diameter and the number of teeth are inputted into the calculation gradually. Then, a table with proper solutions is shown on the screen. After completing the table, you can then move on to the main calculation. You can change the strength parameters as well.
The maximum worm shaft deflection is calculated using the finite element method (FEM). The model has many parameters, including the size of the elements and boundary conditions. The results from these simulations are compared to the corresponding analytical values to calculate the maximum deflection. The result is a table that displays the maximum worm shaft deflection. The tables can be downloaded below. You can also find more information about the different deflection formulas and their applications.
The calculation method used by DIN EN 10084 is based on the hardened cemented worm of 16MnCr5. Then, you can use DIN EN 10084 (CuSn12Ni2-C-GZ) and DIN EN 1982 (CuAl10Fe5Ne5-C-GZ). Then, you can enter the worm face width, either manually or using the auto-suggest option.
Common methods for the calculation of worm shaft deflection provide a good approximation of deflection but do not account for geometric modifications on the worm. While Norgauer’s 2021 approach addresses these issues, it fails to account for the helical winding of the worm teeth and overestimates the stiffening effect of gearing. More sophisticated approaches are required for the efficient design of thin worm shafts.
Worm gears have a low noise and vibration compared to other types of mechanical devices. However, worm gears are often limited by the amount of wear that occurs on the softer worm wheel. Worm shaft deflection is a significant influencing factor for noise and wear. The calculation method for worm gear deflection is available in ISO/TR 14521, DIN 3996, and AGMA 6022.
The worm gear can be designed with a precise transmission ratio. The calculation involves dividing the transmission ratio between more stages in a gearbox. Power transmission input parameters affect the gearing properties, as well as the material of the worm/gear. To achieve a better efficiency, the worm/gear material should match the conditions that are to be experienced. The worm gear can be a self-locking transmission.
The worm gearbox contains several machine elements. The main contributors to the total power loss are the axial loads and bearing losses on the worm shaft. Hence, different bearing configurations are studied. One type includes locating/non-locating bearing arrangements. The other is tapered roller bearings. The worm gear drives are considered when locating versus non-locating bearings. The analysis of worm gear drives is also an investigation of the X-arrangement and four-point contact bearings.
worm shaft

Influence of tooth forces on bending stiffness of a worm gear

The bending stiffness of a worm gear is dependent on tooth forces. Tooth forces increase as the power density increases, but this also leads to increased worm shaft deflection. The resulting deflection can affect efficiency, wear load capacity, and NVH behavior. Continuous improvements in bronze materials, lubricants, and manufacturing quality have enabled worm gear manufacturers to produce increasingly high power densities.
Standardized calculation methods take into account the supporting effect of the toothing on the worm shaft. However, overhung worm gears are not included in the calculation. In addition, the toothing area is not taken into account unless the shaft is designed next to the worm gear. Similarly, the root diameter is treated as the equivalent bending diameter, but this ignores the supporting effect of the worm toothing.
A generalized formula is provided to estimate the STE contribution to vibratory excitation. The results are applicable to any gear with a meshing pattern. It is recommended that engineers test different meshing methods to obtain more accurate results. One way to test tooth-meshing surfaces is to use a finite element stress and mesh subprogram. This software will measure tooth-bending stresses under dynamic loads.
The effect of tooth-brushing and lubricant on bending stiffness can be achieved by increasing the pressure angle of the worm pair. This can reduce tooth bending stresses in the worm gear. A further method is to add a load-loaded tooth-contact analysis (CCTA). This is also used to analyze mismatched ZC1 worm drive. The results obtained with the technique have been widely applied to various types of gearing.
In this study, we found that the ring gear’s bending stiffness is highly influenced by the teeth. The chamfered root of the ring gear is larger than the slot width. Thus, the ring gear’s bending stiffness varies with its tooth width, which increases with the ring wall thickness. Furthermore, a variation in the ring wall thickness of the worm gear causes a greater deviation from the design specification.
To understand the impact of the teeth on the bending stiffness of a worm gear, it is important to know the root shape. Involute teeth are susceptible to bending stress and can break under extreme conditions. A tooth-breakage analysis can control this by determining the root shape and the bending stiffness. The optimization of the root shape directly on the final gear minimizes the bending stress in the involute teeth.
The influence of tooth forces on the bending stiffness of a worm gear was investigated using the CZPT Spiral Bevel Gear Test Facility. In this study, multiple teeth of a spiral bevel pinion were instrumented with strain gages and tested at speeds ranging from static to 14400 RPM. The tests were performed with power levels as high as 540 kW. The results obtained were compared with the analysis of a three-dimensional finite element model.
worm shaft

Characteristics of worm gears

Worm gears are unique types of gears. They feature a variety of characteristics and applications. This article will examine the characteristics and benefits of worm gears. Then, we’ll examine the common applications of worm gears. Let’s take a look! Before we dive in to worm gears, let’s review their capabilities. Hopefully, you’ll see how versatile these gears are.
A worm gear can achieve massive reduction ratios with little effort. By adding circumference to the wheel, the worm can greatly increase its torque and decrease its speed. Conventional gearsets require multiple reductions to achieve the same reduction ratio. Worm gears have fewer moving parts, so there are fewer places for failure. However, they can’t reverse the direction of power. This is because the friction between the worm and wheel makes it impossible to move the worm backwards.
Worm gears are widely used in elevators, hoists, and lifts. They are particularly useful in applications where stopping speed is critical. They can be incorporated with smaller brakes to ensure safety, but shouldn’t be relied upon as a primary braking system. Generally, they are self-locking, so they are a good choice for many applications. They also have many benefits, including increased efficiency and safety.
Worm gears are designed to achieve a specific reduction ratio. They are typically arranged between the input and output shafts of a motor and a load. The 2 shafts are often positioned at an angle that ensures proper alignment. Worm gear gears have a center spacing of a frame size. The center spacing of the gear and worm shaft determines the axial pitch. For instance, if the gearsets are set at a radial distance, a smaller outer diameter is necessary.
Worm gears’ sliding contact reduces efficiency. But it also ensures quiet operation. The sliding action limits the efficiency of worm gears to 30% to 50%. A few techniques are introduced herein to minimize friction and to produce good entrance and exit gaps. You’ll soon see why they’re such a versatile choice for your needs! So, if you’re considering purchasing a worm gear, make sure you read this article to learn more about its characteristics!
An embodiment of a worm gear is described in FIGS. 19 and 20. An alternate embodiment of the system uses a single motor and a single worm 153. The worm 153 turns a gear which drives an arm 152. The arm 152, in turn, moves the lens/mirr assembly 10 by varying the elevation angle. The motor control unit 114 then tracks the elevation angle of the lens/mirr assembly 10 in relation to the reference position.
The worm wheel and worm are both made of metal. However, the brass worm and wheel are made of brass, which is a yellow metal. Their lubricant selections are more flexible, but they’re limited by additive restrictions due to their yellow metal. Plastic on metal worm gears are generally found in light load applications. The lubricant used depends on the type of plastic, as many types of plastics react to hydrocarbons found in regular lubricant. For this reason, you need a non-reactive lubricant.

China factory Full Automatic Size Adjustable Hydraulic Motor Drive Metal CZ Purlin Cold Roll Forming Machine   near me manufacturer China factory Full Automatic Size Adjustable Hydraulic Motor Drive Metal CZ Purlin Cold Roll Forming Machine   near me manufacturer

China Good quality New Customized PLC Control System High Speed Hydraulic Motor Drive C Purlin Roll Forming Machine with Ce/ISO9001 with Great quality

Product Description

New Customized PLC Control System High Speed Hydraulic Motor Drive C Purlin Roll Forming Machine with Ce/ISO9001
 

Product Description


Material
Lip(A):15±1mm
Height(B):C40±2mm
Web(H/C):C60±2mm
Applicable material:Galvanized Sheet(GI) With Yield Strength:234-345Mpa

Feeding and Leveling Device

      Hydraulic Pre-Cutting&Punching Device

Pre-punching and pre-cutting, use the same hydraulic system
Hydraulic motor:7.5KW,
Punching and Cutting tool material:mold steel Cr12MoV,Heat treatment
1-cylinder hole punching system for punching both on web and flange

                          Main Machine

Body frame made from H450 type steel by welding
Side wall thickness: Q235 t30mm
Rollers manufactured from GCr15/Cr12 steel,CNC lathes,Heat Treatment
Shafts Diameter=ф90,precision machined
Gear/Sprocket driving,about 21-step to form
Main Motor=18.5KW , Frequency speed control
Speed redcucer motor:K series
Size changing motor:6pcs(Auto change the width ,height and lip),Automatically controlled by PLC Programing

 

             Post Hydraulic Cutting Device

Post to cut, stop to cutting,Two pieces type of cutting blade design, no blanking
Hydraulic motor:7.5KW,with Hydrualic Pre-Punching Device Share a hydraulic station ;
Cutting tool material: Cr12MoV,Heat treatment to HRC58-62 degree
The cutting power is provided by the main engine hydraulic station

PLC Control System
Control The Quantity And Cutting Length Automatically
Input The Production Data(Production Batch,pcs,Length,etc.)On The Touch Screen ,It Can Finish The Production Automatically.

Combined With PLC, Inverter, Touch Screen, Encoder, etc
PLC Siemens (German brand)/Schneider(French brand)
Inverter Siemens (German brand)/Schneider(French brand)
7-Inch Color Touch Screen Siemens (German brand)/Schneider(French brand)
Encoder Omron (Japan brand)Switch Bottom, Indicate Light, Power Supply, Intermediate Relay, AC Contactor
Thermal Relay Siemens(German brand)/Schneider(French brand)
Air Switch LG-LS(Korea brand)
Cut-to-Length Tolerance≤±1 mm
Control Voltage 24V

After-Sale Service
1. The warranty is 24 months after the client receives the machine.
Within The 24months, we will courier the replacement parts to the client free of charge
2.We offer technical support for the entire life of our machines
3. We can send our technicians to install and train the workers in the clients’ factories with extra cost

Terms Of Trade

Minimum order quantity (MOQ) 1 Set
Delivery time about 45 workdays
Port of loading port of HangZhou
Type of payment by T/T or by L/C
Export to more than 80 countries and regions, including South Korea,
ZheJiang , UK, Ireland, Greece, Australia, USA, Mexico, Brazil, Russia,
Saudi Arabia, UAE, Iran , India, Singapore, Malaysia, Thailand,
Indonesia, Philippines, Vietnam, South Africa, Nigeria, Egypt, etc

Packing Style

Packing method Main body of machine is naked and covered by plastic film(to protect of dust and corrosion),
loaded into container and steadily fixed in container suitable by steel rope and lock, suitable for long-distance transportation.

 

View more products,click here…

Company Profile

 

 

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.
screwshaft

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are 2 types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the 2 materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China Good quality New Customized PLC Control System High Speed Hydraulic Motor Drive C Purlin Roll Forming Machine with Ce/ISO9001   with Great qualityChina Good quality New Customized PLC Control System High Speed Hydraulic Motor Drive C Purlin Roll Forming Machine with Ce/ISO9001   with Great quality

China best High Quality Gearbox Drive Glazed Roof Tile Roll Forming Machine Making Construction Material with Good quality

Product Description

High Quality Gearbox Drive Glazed Roof Tile Roll Forming Machine Making Construction Material

Why choose this Roof Tile Roll Forming Machine?
1. Designed by 15 years experienced R&D members with lifetime seivices
2. Introduced CZPT PLC with touch screen to machine controll system.
3. Need only 1 worker (minimum) to operate
4. Roller cover with 0.05mm chrome, ensure lifetime>10years
5. Cr12 CZPT steel cutter with quenched treatment. Blade with heat treatment. 
6. Product cut-to-length.
7. 72mm diameter solid steel shaft

    

About Roof Tile Roll Forming Machine

Item Specification
Material Type Color steel sheet
Thickness(mm) 0. 5 -0. 6
Yield strength(mpa) 235 -345
Roller material 45#Chrome steel
Forming speed(m/min) About 1500-2000mm/min or 4-5m/min. For option
Step distance Adjustable according to requirement (>=250mm)
Speed adjusting mode AC Frequency
Transmission way                                    

Gear-box transmission (optional)

Cutting mode Hydraulic cutting
Cutter material  Cr12 mold steel 
Length measurement  Encoder
Control mode  Mitsubishi  PLC
Operating mode Button +  Mitsubishi  Touch screen
Main motor power(kw) 5.5KW    (Depend on final design)
Hydraulic station power  5.5K W   (Depend on final design)
Total power(kw) 11KW
Uncoiler’s loading capacity Max. Capacity: 5000kgs
(can be increased to be 10T)
Machine`s size About 8.5*2.02*1.6m  (Depend on final design)
Machine weight About 9600kgs
Components of machine:
Decoiler 1set   
Feeding & guiding device 1set
Main roll forming machine 1set
Pressing device 1set
Hydraulic cutting system 1set
Controlling system 1set
Run out table  1set   
Process flow:
Decoiler — Feeding & Xihu (West Lake) Dis. — Roll Forming– Pressing–Hydraulic Cutting – Product to Run Out Table

Packing:
1. One 40feet container for loading 1 set machine with mechanical decoiler. 
2. Main machine body and decoiler is load naked (tighten to container with steel wire rope). 
3. Spare parts and operating tools are loading in tooling box.
 

Why us?
1.  Manufacturing roll forming machine since 2003
2.  With ISO,SGS,BV and CE certificate
3.  1 year quality warranty
4.  Introduced CZPT PLC with touch screen. Friendly man-machine interaction.
5.  Technician can be sent to your factory to install the machine and train your workers
6.  Export to more than 20 countries. 
 

Customers Visit

 FAQ:

1) Q: Are you manufacturer or trading company?
A: We are manufacturer and trading company .
2) Q: Do you provide installing and training overseas?
A: Overseas machine install and worker training services are optional.
3) Q: How is your after sales support? 
A: We provide technical support on line as well as overseas services by skillful technicians. 
4) Q: How does your factory do regarding quality control? 
A: There is no tolerance regarding quality control. Quality control complies with ISO9001. Every machine has to past testing running before it’s packed for shipment. 
5) How can I trust you that machines pasted testing running before shipping?
A:  1) We record the testing video for your reference. Or,
    2) We welcome your visit us and test machine by yourself in our factory.
6) Q: Do you sell only standard machines?
A: No. Most machines are made to order.
7) Q: Will you deliver the right goods as ordered? How can I trust you?
A: Yes, we will. We are Gold supplier of Made-in-China with SGS assessment (Audit report can be provided). 

Get Free:
Provide profile drawing & design technical support FOR FREE!

Contact Us:

 
 
Website:cnzhongyuan
Factory Address:No. 228 Yongli, HangZhou Street, Xihu (West Lake) Dis. District, HangZhou, ZHangZhoug, China

 

Drive shaft type

The driveshaft transfers torque from the engine to the wheels and is responsible for the smooth running of the vehicle. Its design had to compensate for differences in length and angle. It must also ensure perfect synchronization between its joints. The drive shaft should be made of high-grade materials to achieve the best balance of stiffness and elasticity. There are 3 main types of drive shafts. These include: end yokes, tube yokes and tapered shafts.
air-compressor

tube yoke

Tube yokes are shaft assemblies that use metallic materials as the main structural component. The yoke includes a uniform, substantially uniform wall thickness, a first end and an axially extending second end. The first diameter of the drive shaft is greater than the second diameter, and the yoke further includes a pair of opposing lugs extending from the second end. These lugs have holes at the ends for attaching the axle to the vehicle.
By retrofitting the driveshaft tube end into a tube fork with seat. This valve seat transmits torque to the driveshaft tube. The fillet weld 28 enhances the torque transfer capability of the tube yoke. The yoke is usually made of aluminum alloy or metal material. It is also used to connect the drive shaft to the yoke. Various designs are possible.
The QU40866 tube yoke is used with an external snap ring type universal joint. It has a cup diameter of 1-3/16″ and an overall width of 4½”. U-bolt kits are another option. It has threaded legs and locks to help secure the yoke to the drive shaft. Some performance cars and off-road vehicles use U-bolts. Yokes must be machined to accept U-bolts, and U-bolt kits are often the preferred accessory.
The end yoke is the mechanical part that connects the drive shaft to the stub shaft. These yokes are usually designed for specific drivetrain components and can be customized to your needs. Pat’s drivetrain offers OEM replacement and custom flanged yokes.
If your tractor uses PTO components, the cross and bearing kit is the perfect tool to make the connection. Additionally, cross and bearing kits help you match the correct yoke to the shaft. When choosing a yoke, be sure to measure the outside diameter of the U-joint cap and the inside diameter of the yoke ears. After taking the measurements, consult the cross and bearing identification drawings to make sure they match.
While tube yokes are usually easy to replace, the best results come from a qualified machine shop. Dedicated driveshaft specialists can assemble and balance finished driveshafts. If you are unsure of a particular aspect, please refer to the TM3000 Driveshaft and Cardan Joint Service Manual for more information. You can also consult an excerpt from the TSB3510 manual for information on angle, vibration and runout.
The sliding fork is another important part of the drive shaft. It can bend over rough terrain, allowing the U-joint to keep spinning in tougher conditions. If the slip yoke fails, you will not be able to drive and will clang. You need to replace it as soon as possible to avoid any dangerous driving conditions. So if you notice any dings, be sure to check the yoke.
If you detect any vibrations, the drivetrain may need adjustment. It’s a simple process. First, rotate the driveshaft until you find the correct alignment between the tube yoke and the sliding yoke of the rear differential. If there is no noticeable vibration, you can wait for a while to resolve the problem. Keep in mind that it may be convenient to postpone repairs temporarily, but it may cause bigger problems later.
air-compressor

end yoke

If your driveshaft requires a new end yoke, CZPT has several drivetrain options. Our automotive end yoke inventory includes keyed and non-keyed options. If you need tapered or straight holes, we can also make them for you.
A U-bolt is an industrial fastener that has U-shaped threads on its legs. They are often used to join 2 heads back to back. These are convenient options to help keep drivetrain components in place when driving over rough terrain, and are generally compatible with a variety of models. U-bolts require a specially machined yoke to accept them, so be sure to order the correct size.
The sliding fork helps transfer power from the transfer case to the driveshaft. They slide in and out of the transfer case, allowing the u-joint to rotate. Sliding yokes or “slips” can be purchased separately. Whether you need a new 1 or just a few components to upgrade your driveshaft, 4 CZPT Parts will have the parts you need to repair your vehicle.
The end yoke is a necessary part of the drive shaft. It connects the drive train and the mating flange. They are also used in auxiliary power equipment. CZPT’s drivetrains are stocked with a variety of flanged yokes for OEM applications and custom builds. You can also find flanged yokes for constant velocity joints in our extensive inventory. If you don’t want to modify your existing drivetrain, we can even make a custom yoke for you.

China best High Quality Gearbox Drive Glazed Roof Tile Roll Forming Machine Making Construction Material   with Good qualityChina best High Quality Gearbox Drive Glazed Roof Tile Roll Forming Machine Making Construction Material   with Good quality

China wholesaler Best Worm Drive Clamp Hoop Wheel Rim Roll Forming Machine near me manufacturer

Product Description

Best Worm Drive Clamp Hoop Wheel Rim Roll Forming Machine

Product Description

Form: High-precision CZPT column bracket gear chain drive(inverter motor control)

Function and structure:  sheet will from through 8 rollers, and gradually roll into the finished bracket. By the variable frequency motor, reducer, gear, roller group composition. The lathe with welded structure, to stress treatment;

The roller adopts the combination structure, the speed difference and the forming resistance are small, the steel surface wear is small; the roll process design uses the imported software, the computer design, and carries on the FEA analysis, guarantees the piece shape precision, does not scratch the sheet material. Roller with Cr12MoV forging, the overall quenching CNC machining, hardness uptoHRC58-62; with high strength, high hardness, high precision, using life and so on.

Quick change structure

Pass pitch: 200mm

Rack:Precision CZPT column bracket

Roll shaft diameter:45mm

Material: 42CrMo

Lubrication system

No  Equipment Name Quantity

Motor Power

(KW)

 

1 Automatic Uncoiler 1 set 3
2 Precise leveling machine 1set 1.5
3 Roll Forming Machine 1set 15
4  Bending, cut off 1set  5

 

No Item Brand
1 PLC OMRON
2 HMI OMRON
3 Electric Elements Schneider/OMRON/ Keyence/ Siko
4 Bearing Timken,Schaeffler
5 Variable frequency motor SIEMENS
6 Rotary encoder OMRON
7 Digital position display SIKO

 

Company Information

FAQ

1.Q: Are you manufacturer or trading company?

A: We are manufacture and trading company.

2.Q:What info you need before you make the proposal?

A:The pipe diameter and thickness range which you need or the profile drawings, material information, your special requirements.

3.Q: What is the MOQ?

A: One set

4.Q: Do you provide installing and debugging overseas?

A: Overseas machine install and worker training services are optional.

5.Q: Can you make the machine according to my design or prototype?

A: Yes, we have an experienced team for working out the most suitable design and production plan for the machine that you are going to book with us.

6.Q: How does your factory do regarding quality control?

A :There is no tolerance regarding quality control. Quality control complies with ISO 9001.every machine has to past testing running before it’s packed for shipment.

7.Q: How can I trust you that machines pasted testing running before shipping?

A: 1) We record the testing video for your reference

2) We welcome you visit us and test machine by yourself in our factory.

8.Q: What about our after-sale service?

A: we provide technical support on line as well as overseas services by skillful technicians.

9.Q: What should I do if I just start a new business?

A:Contact us immediately ,we provide free consultant pre-sales service.Also we can help you to solve the material(steel coil)purchase,worker train,international market price.

10. Q:Can I visit you factory to check machines on-site ? What Should I bring when I visit your factory?

A: We are manufacturer, and we welcome customers to visit our factory. For special product design and develop, we request you bring a piece of testing material, you can test on our machines on-site.

 

Warmly welcome to visit our factory CZPT Machinery

Worm Shafts and Gearboxes

If you have a gearbox, you may be wondering what the best Worm Shaft is for your application. There are several things to consider, including the Concave shape, Number of threads, and Lubrication. This article will explain each factor and help you choose the right Worm Shaft for your gearbox. There are many options available on the market, so don’t hesitate to shop around. If you are new to the world of gearboxes, read on to learn more about this popular type of gearbox.
worm shaft

Concave shape

The geometry of a worm gear varies considerably depending on its manufacturer and its intended use. Early worms had a basic profile that resembled a screw thread and could be chased on a lathe. Later, tools with a straight sided g-angle were developed to produce threads that were parallel to the worm’s axis. Grinding was also developed to improve the finish of worm threads and minimize distortions that occur with hardening.
To select a worm with the proper geometry, the diameter of the worm gear must be in the same unit as the worm’s shaft. Once the basic profile of the worm gear is determined, the worm gear teeth can be specified. The calculation also involves an angle for the worm shaft to prevent it from overheating. The angle of the worm shaft should be as close to the vertical axis as possible.
Double-enveloping worm gears, on the other hand, do not have a throat around the worm. They are helical gears with a straight worm shaft. Since the teeth of the worm are in contact with each other, they produce significant friction. Unlike double-enveloping worm gears, non-throated worm gears are more compact and can handle smaller loads. They are also easy to manufacture.
The worm gears of different manufacturers offer many advantages. For instance, worm gears are 1 of the most efficient ways to increase torque, while lower-quality materials like bronze are difficult to lubricate. Worm gears also have a low failure rate because they allow for considerable leeway in the design process. Despite the differences between the 2 standards, the overall performance of a worm gear system is the same.
The cone-shaped worm is another type. This is a technological scheme that combines a straight worm shaft with a concave arc. The concave arc is also a useful utility model. Worms with this shape have more than 3 contacts at the same time, which means they can reduce a large diameter without excessive wear. It is also a relatively low-cost model.
worm shaft

Thread pattern

A good worm gear requires a perfect thread pattern. There are a few key parameters that determine how good a thread pattern is. Firstly, the threading pattern must be ACME-threaded. If this is not possible, the thread must be made with straight sides. Then, the linear pitch of the “worm” must be the same as the circular pitch of the corresponding worm wheel. In simple terms, this means the pitch of the “worm” is the same as the circular pitch of the worm wheel. A quick-change gearbox is usually used with this type of worm gear. Alternatively, lead-screw change gears are used instead of a quick-change gear box. The pitch of a worm gear equals the helix angle of a screw.
A worm gear’s axial pitch must match the circular pitch of a gear with a higher axial pitch. The circular pitch is the distance between the points of teeth on the worm, while the axial pitch is the distance between the worm’s teeth. Another factor is the worm’s lead angle. The angle between the pitch cylinder and worm shaft is called its lead angle, and the higher the lead angle, the greater the efficiency of a gear.
Worm gear tooth geometry varies depending on the manufacturer and intended use. In early worms, threading resembled the thread on a screw, and was easily chased using a lathe. Later, grinding improved worm thread finishes and minimized distortions from hardening. As a result, today, most worm gears have a thread pattern corresponding to their size. When selecting a worm gear, make sure to check for the number of threads before purchasing it.
A worm gear’s threading is crucial in its operation. Worm teeth are typically cylindrical, and are arranged in a pattern similar to screw or nut threads. Worm teeth are often formed on an axis of perpendicular compared to their parallel counterparts. Because of this, they have greater torque than their spur gear counterparts. Moreover, the gearing has a low output speed and high torque.

Number of threads

Different types of worm gears use different numbers of threads on their planetary gears. A single threaded worm gear should not be used with a double-threaded worm. A single-threaded worm gear should be used with a single-threaded worm. Single-threaded worms are more effective for speed reduction than double-threaded ones.
The number of threads on a worm’s shaft is a ratio that compares the pitch diameter and number of teeth. In general, worms have 1,2,4 threads, but some have three, five, or six. Counting thread starts can help you determine the number of threads on a worm. A single-threaded worm has fewer threads than a multiple-threaded worm, but a multi-threaded worm will have more threads than a mono-threaded planetary gear.
To measure the number of threads on a worm shaft, a small fixture with 2 ground faces is used. The worm must be removed from its housing so that the finished thread area can be inspected. After identifying the number of threads, simple measurements of the worm’s outside diameter and thread depth are taken. Once the worm has been accounted for, a cast of the tooth space is made using epoxy material. The casting is moulded between the 2 tooth flanks. The V-block fixture rests against the outside diameter of the worm.
The circular pitch of a worm and its axial pitch must match the circular pitch of a larger gear. The axial pitch of a worm is the distance between the points of the teeth on a worm’s pitch diameter. The lead of a thread is the distance a thread travels in 1 revolution. The lead angle is the tangent to the helix of a thread on a cylinder.
The worm gear’s speed transmission ratio is based on the number of threads. A worm gear with a high ratio can be easily reduced in 1 step by using a set of worm gears. However, a multi-thread worm will have more than 2 threads. The worm gear is also more efficient than single-threaded gears. And a worm gear with a high ratio will allow the motor to be used in a variety of applications.
worm shaft

Lubrication

The lubrication of a worm gear is particularly challenging, due to its friction and high sliding contact force. Fortunately, there are several options for lubricants, such as compounded oils. Compounded oils are mineral-based lubricants formulated with 10 percent or more fatty acid, rust and oxidation inhibitors, and other additives. This combination results in improved lubricity, reduced friction, and lower sliding wear.
When choosing a lubricant for a worm shaft, make sure the product’s viscosity is right for the type of gearing used. A low viscosity will make the gearbox difficult to actuate and rotate. Worm gears also undergo a greater sliding motion than rolling motion, so grease must be able to migrate evenly throughout the gearbox. Repeated sliding motions will push the grease away from the contact zone.
Another consideration is the backlash of the gears. Worm gears have high gear ratios, sometimes 300:1. This is important for power applications, but is at the same time inefficient. Worm gears can generate heat during the sliding motion, so a high-quality lubricant is essential. This type of lubricant will reduce heat and ensure optimal performance. The following tips will help you choose the right lubricant for your worm gear.
In low-speed applications, a grease lubricant may be sufficient. In higher-speed applications, it’s best to apply a synthetic lubricant to prevent premature failure and tooth wear. In both cases, lubricant choice depends on the tangential and rotational speed. It is important to follow manufacturer’s guidelines regarding the choice of lubricant. But remember that lubricant choice is not an easy task.

China wholesaler Best Worm Drive Clamp Hoop Wheel Rim Roll Forming Machine   near me manufacturer China wholesaler Best Worm Drive Clamp Hoop Wheel Rim Roll Forming Machine   near me manufacturer

China supplier Woodworking Machinery Veneer Assemble Machine for Plywood Paving Forming 2019 with Free Design Custom

Product Description

CZPT MACHINERY, located in HangZhou city, China, the capital of wood-based panel manufacturing In China. mainly manufacture and supply wood log debarker, veneer peeling machine, veneer slicer machine, veneer drying machine, plywood hot press machine, glue spreader, cold press machine, plywood paving machine, plywood edge cutting machine, sanding machine. Can customize all the plywood machine according to clients requirements

Plywood veneer paving machine-Technical Specifications
 

The conveyor size 30000*1430*700mm
The overall size of the head 2700*1150*1580mm
The total weight 5600kgs
The total power 13.7 KW
The cutting way Saw / blade
The loading Automatic
Loading move Drive gear
Loading style Vertical down

Plywood veneer paving machine-Images in Detail

Plywood Production Line

Q&A:

Q1: Are you a factory or retailers?
A1: We are a factory with 20 years.

Q2: Where is your factory located?
A2: We are located in HangZhou city, ZheJiang province, China.

Q3: How can we go to visit your factory?
A3: There are fights/long-trip bus/train from ZheJiang , ZheJiang , HangZhou, HangZhou city, etc to HangZhou city.

Q4: Which seaport you export from?
A4: We mainly export machines from HangZhou city, sometimes also from ZheJiang , etc.

Q5: How many years of experience does your company have in the manufacture and exporting?
A5: Our company has 30 years of manufacturing experience and 13 years of exporting experience.

Q6: How to solve the after-sales problem?
A6: We can provide online guidance, and the company has professional overseas teams to help solve the problem.

Contact Us

Company Information


HangZhou Xihu (West Lake) Dis. Shunda Machinery Manufacture Company Limited.(HangZhou Xihu (West Lake) Dis. Shunda Imp.& Exp., Ltd.) is a professional machinery company in producing and selling plywood machine, particle board machine, MDF/HDF machine, flooring machine, lamination press, located in beautiful logistics city “HangZhou”, and also won a license for direct import and export by the state government.

After 20 years’ experience and development, it always adheres to the independent innovation and scientific development way. Now leading products and auxiliary products follow the market demand and upgrade increasing. Specializing in the production of various professional plywood, flooring, laminated board, particle board, MDF/HDF, OSB complete lines and equipment. Machines are also exported to 20 countries and districts in Asia, Europe, Africa and America with high-quality products and best service, it has won the recognition of customers inner China and abroad.

YIHE machinery, hailed in wood-based machinery, flight being as leading manufacturers and exporters in the same industry, one-time cooperation, whole life friends.
      

Drive shaft type

The driveshaft transfers torque from the engine to the wheels and is responsible for the smooth running of the vehicle. Its design had to compensate for differences in length and angle. It must also ensure perfect synchronization between its joints. The drive shaft should be made of high-grade materials to achieve the best balance of stiffness and elasticity. There are 3 main types of drive shafts. These include: end yokes, tube yokes and tapered shafts.
air-compressor

tube yoke

Tube yokes are shaft assemblies that use metallic materials as the main structural component. The yoke includes a uniform, substantially uniform wall thickness, a first end and an axially extending second end. The first diameter of the drive shaft is greater than the second diameter, and the yoke further includes a pair of opposing lugs extending from the second end. These lugs have holes at the ends for attaching the axle to the vehicle.
By retrofitting the driveshaft tube end into a tube fork with seat. This valve seat transmits torque to the driveshaft tube. The fillet weld 28 enhances the torque transfer capability of the tube yoke. The yoke is usually made of aluminum alloy or metal material. It is also used to connect the drive shaft to the yoke. Various designs are possible.
The QU40866 tube yoke is used with an external snap ring type universal joint. It has a cup diameter of 1-3/16″ and an overall width of 4½”. U-bolt kits are another option. It has threaded legs and locks to help secure the yoke to the drive shaft. Some performance cars and off-road vehicles use U-bolts. Yokes must be machined to accept U-bolts, and U-bolt kits are often the preferred accessory.
The end yoke is the mechanical part that connects the drive shaft to the stub shaft. These yokes are usually designed for specific drivetrain components and can be customized to your needs. Pat’s drivetrain offers OEM replacement and custom flanged yokes.
If your tractor uses PTO components, the cross and bearing kit is the perfect tool to make the connection. Additionally, cross and bearing kits help you match the correct yoke to the shaft. When choosing a yoke, be sure to measure the outside diameter of the U-joint cap and the inside diameter of the yoke ears. After taking the measurements, consult the cross and bearing identification drawings to make sure they match.
While tube yokes are usually easy to replace, the best results come from a qualified machine shop. Dedicated driveshaft specialists can assemble and balance finished driveshafts. If you are unsure of a particular aspect, please refer to the TM3000 Driveshaft and Cardan Joint Service Manual for more information. You can also consult an excerpt from the TSB3510 manual for information on angle, vibration and runout.
The sliding fork is another important part of the drive shaft. It can bend over rough terrain, allowing the U-joint to keep spinning in tougher conditions. If the slip yoke fails, you will not be able to drive and will clang. You need to replace it as soon as possible to avoid any dangerous driving conditions. So if you notice any dings, be sure to check the yoke.
If you detect any vibrations, the drivetrain may need adjustment. It’s a simple process. First, rotate the driveshaft until you find the correct alignment between the tube yoke and the sliding yoke of the rear differential. If there is no noticeable vibration, you can wait for a while to resolve the problem. Keep in mind that it may be convenient to postpone repairs temporarily, but it may cause bigger problems later.
air-compressor

end yoke

If your driveshaft requires a new end yoke, CZPT has several drivetrain options. Our automotive end yoke inventory includes keyed and non-keyed options. If you need tapered or straight holes, we can also make them for you.
A U-bolt is an industrial fastener that has U-shaped threads on its legs. They are often used to join 2 heads back to back. These are convenient options to help keep drivetrain components in place when driving over rough terrain, and are generally compatible with a variety of models. U-bolts require a specially machined yoke to accept them, so be sure to order the correct size.
The sliding fork helps transfer power from the transfer case to the driveshaft. They slide in and out of the transfer case, allowing the u-joint to rotate. Sliding yokes or “slips” can be purchased separately. Whether you need a new 1 or just a few components to upgrade your driveshaft, 4 CZPT Parts will have the parts you need to repair your vehicle.
The end yoke is a necessary part of the drive shaft. It connects the drive train and the mating flange. They are also used in auxiliary power equipment. CZPT’s drivetrains are stocked with a variety of flanged yokes for OEM applications and custom builds. You can also find flanged yokes for constant velocity joints in our extensive inventory. If you don’t want to modify your existing drivetrain, we can even make a custom yoke for you.

China supplier Woodworking Machinery Veneer Assemble Machine for Plywood Paving Forming 2019     with Free Design CustomChina supplier Woodworking Machinery Veneer Assemble Machine for Plywood Paving Forming 2019     with Free Design Custom

China manufacturer Automatic Z Section Roll Forming Machine with Hot selling

Product Description

Automatic Z Section Roll Forming Machine

Automatic Z Section Roll Forming Machine parameter

Item Parameter
Material Type Galvanized steel
Thickness 1.5-3.0mm
Machine material Active shaft No.45 steel tempered,φ70mm diameter,HRC treading and polishing
Roller No.45 steel chorme plated,heat treating,polishing,CNC machining 2 times Roughing and finishing
Cutting blade Cr12 quenched,polishing 2 times
Power requirement Type 380V/3PH/50HZ Customized
Main motor About 11Kw,china famous brand:ZheJiang li chao
Single motor our side
Hydraulic About 4Kw,china famous brand:ZheJiang li chao
Speed Forming speed Single 8-12m/min,speed can be adjusted by transducer
Manual decoiler Type Manual decoiler Expand by hand
Max capacity 5 tons
Suitable OD 500mm
Suitable ID 508mm
Max width 500mm
Forming stand 12steps roller forming L*W*H:6.0*0.8*1.2m
Type of cutting Length-set cutting
Xihu (West Lake) Dis. pipe
Hydraulic cutter
Each side 1 Oil cylinder
Main body:steel panel welding
Transmission 1.5inch drive GB stander
Control system Delta PLC& tansducer Touch screen (delta)
Side middle plate 16mm thickness steel GB stander
Main body Frame 350 H steel,Gb stander
Auto pre-cutting device Full automatic,setting any length in PLC,Hydraulic cutting system
Machine color Main body is sky blue color,cutting blade pillar is orange
Machine operating program Touch screen Delta
Machine weight About 4.3 tons

Automatic Z Section Roll Forming Machine after sales services 
1. Warranty :One year,and we will provide technical support for whole life of the equipment.
2. Delivery time: Within 25 days after deposit receipt your payment
3. Guarantee period: 24months free service/ pay service all the machine life
4. Installation and training If buyers visit our factory and check the machine, we will teach you how to install and use the machine and also train your workers/technician face to face.

Company infomation
ZheJiang Xihu (West Lake) Dis. Imp & Exp Co., Ltd. Is a professional manufacturer and exporter which has its own factory and also cooperate with several production factories and associated enterprises, concerning with the design, development and production of cold roll forming machines,material of machines. It is located in northwest of ZheJiang , China . As a long history of cold roll forming machine production base. For example :color steel roofing sheet roll forming machines, C&Z Purlin machine, steel roof tile roll forming machines, floor deck forming machines, EPS sandwich panel roll forming machine, highway guardrail forming machine, shearing machine, bending machine, slitting machine.All products comply with international quality standards and are greatly appreciated in variety of different markets throughout the world, such as Asia, Africa, Europe, South America, and Australia and so on. We have high quality professional teams, skillful talents, strong technical force, strong and independent research and development capabilities, advanced production equipment and a perfect after-sales service system. Based on our advanced research and commercial team, we are CZPT to research and development, manufacturing and sale of standard and non-standard cold roll forming equipment for our clients world widely. We would like to invite you come and join us to build our mutual benefit

Driveshaft structure and vibrations associated with it

The structure of the drive shaft is critical to its efficiency and reliability. Drive shafts typically contain claw couplings, rag joints and universal joints. Other drive shafts have prismatic or splined joints. Learn about the different types of drive shafts and how they work. If you want to know the vibrations associated with them, read on. But first, let’s define what a driveshaft is.
air-compressor

transmission shaft

As the demand on our vehicles continues to increase, so does the demand on our drive systems. Higher CO2 emission standards and stricter emission standards increase the stress on the drive system while improving comfort and shortening the turning radius. These and other negative effects can place significant stress and wear on components, which can lead to driveshaft failure and increase vehicle safety risks. Therefore, the drive shaft must be inspected and replaced regularly.
Depending on your model, you may only need to replace 1 driveshaft. However, the cost to replace both driveshafts ranges from $650 to $1850. Additionally, you may incur labor costs ranging from $140 to $250. The labor price will depend on your car model and its drivetrain type. In general, however, the cost of replacing a driveshaft ranges from $470 to $1850.
Regionally, the automotive driveshaft market can be divided into 4 major markets: North America, Europe, Asia Pacific, and Rest of the World. North America is expected to dominate the market, while Europe and Asia Pacific are expected to grow the fastest. Furthermore, the market is expected to grow at the highest rate in the future, driven by economic growth in the Asia Pacific region. Furthermore, most of the vehicles sold globally are produced in these regions.
The most important feature of the driveshaft is to transfer the power of the engine to useful work. Drive shafts are also known as propeller shafts and cardan shafts. In a vehicle, a propshaft transfers torque from the engine, transmission, and differential to the front or rear wheels, or both. Due to the complexity of driveshaft assemblies, they are critical to vehicle safety. In addition to transmitting torque from the engine, they must also compensate for deflection, angular changes and length changes.

type

Different types of drive shafts include helical shafts, gear shafts, worm shafts, planetary shafts and synchronous shafts. Radial protruding pins on the head provide a rotationally secure connection. At least 1 bearing has a groove extending along its circumferential length that allows the pin to pass through the bearing. There can also be 2 flanges on each end of the shaft. Depending on the application, the shaft can be installed in the most convenient location to function.
Propeller shafts are usually made of high-quality steel with high specific strength and modulus. However, they can also be made from advanced composite materials such as carbon fiber, Kevlar and fiberglass. Another type of propeller shaft is made of thermoplastic polyamide, which is stiff and has a high strength-to-weight ratio. Both drive shafts and screw shafts are used to drive cars, ships and motorcycles.
Sliding and tubular yokes are common components of drive shafts. By design, their angles must be equal or intersect to provide the correct angle of operation. Unless the working angles are equal, the shaft vibrates twice per revolution, causing torsional vibrations. The best way to avoid this is to make sure the 2 yokes are properly aligned. Crucially, these components have the same working angle to ensure smooth power flow.
The type of drive shaft varies according to the type of motor. Some are geared, while others are non-geared. In some cases, the drive shaft is fixed and the motor can rotate and steer. Alternatively, a flexible shaft can be used to control the speed and direction of the drive. In some applications where linear power transmission is not possible, flexible shafts are a useful option. For example, flexible shafts can be used in portable devices.
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put up

The construction of the drive shaft has many advantages over bare metal. A shaft that is flexible in multiple directions is easier to maintain than a shaft that is rigid in other directions. The shaft body and coupling flange can be made of different materials, and the flange can be made of a different material than the main shaft body. For example, the coupling flange can be made of steel. The main shaft body is preferably flared on at least 1 end, and the at least 1 coupling flange includes a first generally frustoconical projection extending into the flared end of the main shaft body.
The normal stiffness of fiber-based shafts is achieved by the orientation of parallel fibers along the length of the shaft. However, the bending stiffness of this shaft is reduced due to the change in fiber orientation. Since the fibers continue to travel in the same direction from the first end to the second end, the reinforcement that increases the torsional stiffness of the shaft is not affected. In contrast, a fiber-based shaft is also flexible because it uses ribs that are approximately 90 degrees from the centerline of the shaft.
In addition to the helical ribs, the drive shaft 100 may also contain reinforcing elements. These reinforcing elements maintain the structural integrity of the shaft. These reinforcing elements are called helical ribs. They have ribs on both the outer and inner surfaces. This is to prevent shaft breakage. These elements can also be shaped to be flexible enough to accommodate some of the forces generated by the drive. Shafts can be designed using these methods and made into worm-like drive shafts.

vibration

The most common cause of drive shaft vibration is improper installation. There are 5 common types of driveshaft vibration, each related to installation parameters. To prevent this from happening, you should understand what causes these vibrations and how to fix them. The most common types of vibration are listed below. This article describes some common drive shaft vibration solutions. It may also be beneficial to consider the advice of a professional vibration technician for drive shaft vibration control.
If you’re not sure if the problem is the driveshaft or the engine, try turning on the stereo. Thicker carpet kits can also mask vibrations. Nonetheless, you should contact an expert as soon as possible. If vibration persists after vibration-related repairs, the driveshaft needs to be replaced. If the driveshaft is still under warranty, you can repair it yourself.
CV joints are the most common cause of third-order driveshaft vibration. If they are binding or fail, they need to be replaced. Alternatively, your CV joints may just be misaligned. If it is loose, you can check the CV connector. Another common cause of drive shaft vibration is improper assembly. Improper alignment of the yokes on both ends of the shaft can cause them to vibrate.
Incorrect trim height can also cause driveshaft vibration. Correct trim height is necessary to prevent drive shaft wobble. Whether your vehicle is new or old, you can perform some basic fixes to minimize problems. One of these solutions involves balancing the drive shaft. First, use the hose clamps to attach the weights to it. Next, attach an ounce of weight to it and spin it. By doing this, you minimize the frequency of vibration.
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cost

The global driveshaft market is expected to exceed (xxx) million USD by 2028, growing at a compound annual growth rate (CAGR) of XX%. Its soaring growth can be attributed to several factors, including increasing urbanization and R&D investments by leading market players. The report also includes an in-depth analysis of key market trends and their impact on the industry. Additionally, the report provides a comprehensive regional analysis of the Driveshaft Market.
The cost of replacing the drive shaft depends on the type of repair required and the cause of the failure. Typical repair costs range from $300 to $750. Rear-wheel drive cars usually cost more. But front-wheel drive vehicles cost less than four-wheel drive vehicles. You may also choose to try repairing the driveshaft yourself. However, it is important to do your research and make sure you have the necessary tools and equipment to perform the job properly.
The report also covers the competitive landscape of the Drive Shafts market. It includes graphical representations, detailed statistics, management policies, and governance components. Additionally, it includes a detailed cost analysis. Additionally, the report presents views on the COVID-19 market and future trends. The report also provides valuable information to help you decide how to compete in your industry. When you buy a report like this, you are adding credibility to your work.
A quality driveshaft can improve your game by ensuring distance from the tee and improving responsiveness. The new material in the shaft construction is lighter, stronger and more responsive than ever before, so it is becoming a key part of the driver. And there are a variety of options to suit any budget. The main factor to consider when buying a shaft is its quality. However, it’s important to note that quality doesn’t come cheap and you should always choose an axle based on what your budget can handle.

China manufacturer Automatic Z Section Roll Forming Machine     with Hot sellingChina manufacturer Automatic Z Section Roll Forming Machine     with Hot selling