Product Description

photoes for our workshop:

Main functions:
1) The guide way and all gears in the headstock are hardened and precision ground.
2)  The spindle system is high rigidity and accuracy.
3) The machines have powerful headstock gear train, high rotating accuracy and smooth running 
with low noise.
 4) An overload safety device is provided on the apron.
 5) Pedal or electromagnetic braking device.
 6) Tolerance test certificate, test flow chart included
Main specifications:

Specification		C6241						C6246
Swing over bed		410mm(16″)						460mm(18″)
Swing over cross slide		220mm(8-13/16″)						270mm(10-3/4″)
Swing in gap		640mm(25-1/8″)						690mm(27-1/8″)
Distance between centers		1000mm (40″)		1500mm (60″)			2000mm (80″)	1000mm (40″)	1500mm (60″)	2000mm (80″)
Valid length of gap		165mm(6-1/2″)
Width of bed		300mm(11-13/16″)
Spindle nose		D1-6
Spindle bore		58mm(2-1/4″)
Taper of spindle bore		No.6 Morse
Range of spindle speed		12 changes, 25~2000r/min
Max.travel of top slide		128mm(5″)
Max.travel of cross slide		285mm(11-1/4″)
Max.section of tool		25×25mm(1″×1″)
Pitch thread of leadscrew		6mm or 4T.P.I.
Longitudinal feeds range		42 kinds, 0.031~1.7mm/rev(0.0011″~0. 0571 “/rev)
Cross feeds range		42 kinds, 0.014~0.784mm/rev(0.00033″~0.01837″/rev)
Metric threads range		41 kinds, 0.1~14mm
Inch threads range		60 kinds, 2~112T.P.I.
Diametrical pitches range		50 kinds, 4~112DP
Module pitches range		34 kinds, 0.1~7MP
Dia. of tailstock sleeve	60mm(2-5/16″)
Travel of tailstock sleeve	128mm(5″)
Taper of tailstock sleeve	No.4 Morse
Power of main motor		5.5kW(7.5HP) 3PH
Power of coolant pump			0.1kW(1/8HP) 3PH
Standard accessories
3 Jaw chuck and adapter						Wrenches
Sleeve and center						Oil gun
4 Jaw chuck and adapter						Steady rest
Face plates						Follow rest
Drive plate						Center
Special accessories
Quick change tool post					Live center
Taper turning attachment					Digital readout

 

Our services:
1.Standardization of Service “212”

2: response in 2 hours

1: provide solution in 1 day

2: solve complaint in 2 days

2.Installation Service

Installation Services are available with all HYMT machines. We dispatch technician to customer’s 
factory for installation and preoperation of machines.

3.Training Service

Our technician is available to your factory and offer training of how to use our machines. As well, you
 may send your technician to our company to learn how to operate machines.

4.Quality Guarantee

We guarantee the quality of machine (e.g. processing speed and working performance is the same as the data of samples making). We sign the agreement with detailed technical data.

We arrange final test before shipment. We run the machine for a few days, and then use customer’s materials for test. After making sure machine is the best performance, then make shipments.

How to Identify a Faulty Drive Shaft

The most common problems associated with automotive driveshafts include clicking and rubbing noises. While driving, the noise from the driver’s seat is often noticeable. An experienced auto mechanic can easily identify whether the sound is coming from both sides or from 1 side. If you notice any of these signs, it’s time to send your car in for a proper diagnosis. Here’s a guide to determining if your car’s driveshaft is faulty:

Symptoms of Driveshaft Failure

If you’re having trouble turning your car, it’s time to check your vehicle’s driveshaft. A bad driveshaft can limit the overall control of your car, and you should fix it as soon as possible to avoid further problems. Other symptoms of a propshaft failure include strange noises from under the vehicle and difficulty shifting gears. Squeaking from under the vehicle is another sign of a faulty driveshaft.
If your driveshaft fails, your car will stop. Although the engine will still run, the wheels will not turn. You may hear strange noises from under the vehicle, but this is a rare symptom of a propshaft failure. However, you will have plenty of time to fix the problem. If you don’t hear any noise, the problem is not affecting your vehicle’s ability to move.
The most obvious signs of a driveshaft failure are dull sounds, squeaks or vibrations. If the drive shaft is unbalanced, it is likely to damage the transmission. It will require a trailer to remove it from your vehicle. Apart from that, it can also affect your car’s performance and require repairs. So if you hear these signs in your car, be sure to have it checked by a mechanic right away.

Drive shaft assembly

When designing a propshaft, the design should be based on the torque required to drive the vehicle. When this torque is too high, it can cause irreversible failure of the drive shaft. Therefore, a good drive shaft design should have a long service life. Here are some tips to help you design a good driveshaft. Some of the main components of the driveshaft are listed below.
Snap Ring: The snap ring is a removable part that secures the bearing cup assembly in the yoke cross hole. It also has a groove for locating the snap ring. Spline: A spline is a patented tubular machined element with a series of ridges that fit into the grooves of the mating piece. The bearing cup assembly consists of a shaft and end fittings.
U-joint: U-joint is required due to the angular displacement between the T-shaped housing and the pinion. This angle is especially large in raised 4x4s. The design of the U-joint must guarantee a constant rotational speed. Proper driveshaft design must account for the difference in angular velocity between the shafts. The T-bracket and output shaft are attached to the bearing caps at both ends.

U-joint

Your vehicle has a set of U-joints on the driveshaft. If your vehicle needs to be replaced, you can do it yourself. You will need a hammer, ratchet and socket. In order to remove the U-joint, you must first remove the bearing cup. In some cases you will need to use a hammer to remove the bearing cup, you should be careful as you don’t want to damage the drive shaft. If you cannot remove the bearing cup, you can also use a vise to press it out.
There are 2 types of U-joints. One is held by a yoke and the other is held by a c-clamp. A full ring is safer and ideal for vehicles that are often used off-road. In some cases, a full circle can be used to repair a c-clamp u-joint.
In addition to excessive torque, extreme loads and improper lubrication are common causes of U-joint failure. The U-joint on the driveshaft can also be damaged if the engine is modified. If you are driving a vehicle with a heavily modified engine, it is not enough to replace the OE U-joint. In this case, it is important to take the time to properly lubricate these components as needed to keep them functional.

tube yoke

QU40866 Tube Yoke is a common replacement for damaged or damaged driveshaft tubes. They are desirably made of a metallic material, such as an aluminum alloy, and include a hollow portion with a lug structure at 1 end. Tube yokes can be manufactured using a variety of methods, including casting and forging. A common method involves drawing solid elements and machining them into the final shape. The resulting components are less expensive to produce, especially when compared to other forms.
The tube fork has a connection point to the driveshaft tube. The lug structure provides attachment points for the gimbal. Typically, the driveshaft tube is 5 inches in diameter and the lug structure is 4 inches in diameter. The lug structure also serves as a mounting point for the drive shaft. Once installed, Tube Yoke is easy to maintain. There are 2 types of lug structures: 1 is forged tube yoke and the other is welded.
Heavy-duty series drive shafts use bearing plates to secure the yoke to the U-joint. All other dimensions are secured with external snap rings. Yokes are usually machined to accept U-bolts. For some applications, grease fittings are used. This attachment is more suitable for off-road vehicles and performance vehicles.

end yoke

The end yoke of the drive shaft is an integral part of the drive train. Choosing a high-quality end yoke will help ensure long-term operation and prevent premature failure. Pat’s Driveline offers a complete line of automotive end yokes for power take-offs, differentials and auxiliary equipment. They can also measure your existing parts and provide you with high quality replacements.
A U-bolt is an industrial fastener with threaded legs. When used on a driveshaft, it provides greater stability in unstable terrain. You can purchase a U-bolt kit to secure the pinion carrier to the drive shaft. U-bolts also come with lock washers and nuts. Performance cars and off-road vehicles often use this type of attachment. But before you install it, you have to make sure the yoke is machined to accept it.
End yokes can be made of aluminum or steel and are designed to provide strength. It also offers special bolt styles for various applications. CZPT’s drivetrain is also stocked with a full line of automotive flange yokes. The company also produces custom flanged yokes for many popular brands. Since the company has a comprehensive line of replacement flange yokes, it can help you transform your drivetrain from non-serviceable to serviceable.

bushing

The first step in repairing or replacing an automotive driveshaft is to replace worn or damaged bushings. These bushings are located inside the drive shaft to provide a smooth, safe ride. The shaft rotates in a rubber sleeve. If a bushing needs to be replaced, you should first check the manual for recommendations. Some of these components may also need to be replaced, such as the clutch or swingarm.