Excavator Undercarriage Parts

1.Castings processing must produce according to requirements and drawings of excavator sprocket.
 2.The workpiece is annealed to eliminate internal stress , the surface sand should be clean .Tooth relative to the standard , the error should be controlled within 5 range .
 3.The modulation of heat treatment hrc30-36 , surface frequency quenching , tempering thesurface hardness of hrc48-hrc54 , hardened layer 5-9mm , core hardness of HRC28 ormore , hardened layer microstructureRequired to achieve the m4-6 stages .
 4.The mechanical tensile strength & N / mm2 > 620 , yield strength & N / mm2 > 375.

According to the size of the model and the usability of the industry and mine, the mini excavator sprockets can be made of materials:

G33MnCrMo, G33Mn4, SCMnCr4B, ZG35Mn, etc. After the normalizing heat treatment of the excavator sprocket blank, the matrix hardness reaches above HB235, and the driving tooth is hardened by medium frequency induction hardening and tempering at low temperature. The surface hardness reaches HRC48-54, and the hardening depth is above 5-10mm (HRC45). It can accurately transmit power under harsh working conditions, and has excellent anti-wear performance, which significantly improves product life and reduces customer use costs.

Track Adjusters
Track adjuster assemblies are available to suit most makes and models of Excavators and Dozers
A track adjuster assembly consists of a recoil spring,cylinder and a yoke
All adjusters are manufactured to OEM specifications, are fully inspected and tested to ensure correct fitment and performance
Maintaining proper track tension is critical for receiving satisfactory track life. Adjusters are designed to absorb shock, provide proper track tension and protect idlers and track systems. Weak or broken recoil springs, or poorly functioning adjusters may shorten track and idler lift.

Track adjuster assemblies are available to suit most makes and models of Excavators and Dozers A track adjuster assembly consists of a recoil spring,cylinder and a yoke, It is made by forging, heat treatment.All adjusters are manufactured to OEM specifications, are fully inspected and tested to ensure correct fitment and performance.

• 45# steel quenched and tempered
• 60Si2MnA High strength spring steel   
• Number of turns is enough
• Roughness as well as original caterpillar track adjuster
• Produce according to the export standards
• Precision casting  
• Rolling and optical processing inside
• Gloss is strong
• 40 hascrome
• Using high precision mirror polishing
• Precision casting, high strength and abrasion resistant

Hitachi ex60 track adjuster assemblies are available to suit most makes and models of Excavators and Dozers. A track adjuster assembly consists of a recoil spring,cylinder and a yoke, It is made by forging, heat treatment.All adjusters are manufactured to OEM specifications, are fully inspected and tested to ensure correct fitment and performance.

1.Komatsu track adjuster
2.Rich Inventory 
3.Quality and Cheap 
4. High-efficiency, High-quality
Komatsu track adjuster
Track adjuster assemblies are available to suit most makes and models of Excavators and Dozers
A track adjuster assembly consists of a recoil spring,cylinder and a yoke
All adjusters are manufactured to OEM specifications, are fully inspected and tested to ensure correct fitment and performance
Maintaining proper track tension is critical for receiving satisfactory track life. Adjusters are designed to absorb shock, provide proper track tension and protect idlers and track systems. Weak or broken recoil springs, or poorly functioning adjusters may shorten track and idler lift.

The track adjuster assembly is applied to excavator and bulldozer idler.
Track adjuster assembly is made of track adjuster/ track cylinder, idler yoke, tension spring/recoil spring, seals, etc. It is made by forging, heat treatment.

The carrier roller excavator, which is also called carrier roller or top roller, is one part of undercarriage parts for crawler heavy equipments such as excavator, bulldozer, crane, drilling machine etc.
Excavator carrier roller excavator is made of roller body, shaft, collars, Bi-metallic Bearings and seal group. It is made by forging, machining, heat treatment, assembly, painting etc.
The quality and working life depends on the quality of raw steels, the hardness of rail surface, the depth of hardness layer, the quality of seal group etc.

The carrier wheel is located above the X frame, and its function is to maintain the linear motion of the chain rail. If the carrier wheel is damaged, the track chain rail will not be able to maintain a straight line. The carrier wheel is a one-time injection of high-quality oil.

It can be replaced with a new one. During the work, try to avoid the rollers being soaked in muddy water for a long time. Usually, keep the X-frame inclined platform clean, and don't let too much dirt and gravel accumulate to hinder the rotation of the rollers.