1、what's the Track Roller?

The track roller is an important part of undercarriage,that transfers the weight of the excavotor to the ground.

2、Main Materials

• Roller Body:Adopting the good hardenability 40 Mn2 steel through forging.The Heat treatment of tempering and medium-frequency induction surface hardening assure it’s strength and wear resistance;
   
• Floating seal:Adopting cr-al alloy,HRC 65-72,the roughness of working surface 0.1μM-0.2μM
     
• O-ring:Adopting the raw material of butadiene-acrylonitrile rubber which is the copolymerization of butane and acrylonitrile into produce.That has better oil resistance and high-temperature resistance.

3、Production Process

4、Why Choose us?

• Advanced  DMTG automatic machining center ensures the accuracy of assembly dimensions.This is to maximize the life span of each component and minimize production cost.
• Each roller shell is carefully heat treated to ensure long wear life and stress resistence.
• Our heat-treatment process provides hardness in high wear areas,and elastic core to resist shock and impact loads.
• Strict quality management aims to produce effective and stable products,and meet customer's demand.
• The use of mechanical oil and environmental protection paint improves the ability to resist high and low temperature and extends the product's working life under severe environment.

5、Tips for  Track Rollers

• Double conical sealing and lifelong lubrication designing enable  the track roller to have a longer lifetime and perfect performance in any circumstance
• The shell made by hot forging treatment obtains the superior structure of internal materials and fiber.
• Different quenching  or feed-through quenching heat treatment is effectice in crack resistence.