Excavator undercarriage parts introduction
Aug 23, 2021
Track roller: The purpose of track roller is to transfer the weight of the train to the ground and roll on the tracks. In order to prevent derailment, track roller should also prevent the track from moving horizontally relative to it. Track roller often works in mud, water and sand, and bears strong impact, the working conditions are extremely bad, the rim is easy to wear. The requirements o...