Bulldozer Track Shoe

Bulldozer track shoe

Production introduction:

Crawler track shoes, one of the chassis parts of construction machinery, is a kind of vulnerable part of the construction machinery used. Commonly used in excavators, bulldozers, crawler cranes, pavers and other construction machinery.

Punching of bulldozer track shoe plate:

Wear rule of track shoes

In normal operation, the track pin slowly rotates backward in the pin hole, and the two wear evenly, the pin hole gradually becomes larger, and the pin gradually becomes thinner. If the operation is improper, such as turning at high speed, starting abruptly, or entering mud, weeds and so on to block the pin, the pressure on the left and right sides of the track shoe will be too heavy to bend down, the pin will be deformed and bent, and cannot rotate in the pin hole, the pin and the pin hole will become sliding friction, and the friction part is limited to a small part of the contact surface, the pin will gradually grind into a crank shape, and the pin hole will also become an ellipse. The increase of pin hole also causes the lengthening of track pitch (pitch is the center distance of holes at both ends of track shoe), so the track shoe and driving wheel grind each other, the track shoe is worn through, and the teeth of driving wheel are in the shape of blade. According to the measurement, when the pitch changes from 174 mm to 184 mm, the opening width of the driving wheel teeth changes from 87 mm to 97 mm, then the normal rolling engagement is completely destroyed.           

 Because of the lengthening of the track shoe pitch, it also causes the roller to jump when walking, which accelerates the wear of the track part of the track shoe. When the runway part is sunk more than 4mm, it should be repaired.            The wear of the guide part of the track shoe is mainly caused by the track deviation, the serious deformation of the track shoe, and the axial shaking of the roller and the guide wheel.            

The common scrapped track shoes are severely worn or worn through at the meshing part with the driving wheel.

Heat treatment of bulldozer track pad:

The track shoes of tracked vehicles are generally made of high manganese steel with a history of nearly 100 years. This is because the high manganese steel has a prominent feature, that is, under the impact load, impact hardening occurs, which makes it form a hard and wear-resistant surface layer, while still maintaining the toughness and plasticity of its inner layer structure. However, high manganese steel used as track shoes is often damaged in the early stage due to cracks, undercuts and flexures in the process of use, so its service life is relatively low. In order to overcome this shortcoming, a low alloy high strength steel 30simnmov (TI) steel based on domestic resources and easy to produce has been developed. It has been successfully used to replace high manganese steel in the manufacture of track shoes.

Painting of bulldozer track shoe:

Models of bulldozer track pads:

FAQ

1. Are you a manufacturer or a trader?

We are a manufacturer. We do forging and casting by ourselves. And our factory is located in Quanzhou city, Fujina, China.

2. How could you know if our parts are fitted to machines?

Please offer us the detailed machine models or mounting sizes.

3. How about the payment terms?

TT 30 percent deposit,and TT 70percent balance after seeing the scan copy of bill of lading or LC at sight.

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