Vio35 Excavator Lower Roller
1.high quality lubricating oil
2.very smooth shaft
3.large oil cavity for more lubricating oil
Product Introduction
vio35 excavator lower roller
excavator lower roller for yanmar excavators:
Track roller is one of the four wheels of excavator and bulldozer undercarriage. Its main function is to support the weight of excavator and bulldozer and let the track move along the rollers.
The main structure of the bottom roller is composed of wheel body, supporting wheel axle, sleeve, sealing ring, end cover and other related components. The track rollers can be divided into single flange type and double flange type.
Lower rollers for excavators and bulldozers are usually painted in black, and track rollers for bulldozers are painted in yellow.
down roller
Wheel materials are generally 50MN steel, 40Mn2, etc. Major process techinics:
Forging or forging, mechanical processing, and then heat treatment, wheel surface after intermediate frequency heat treatment
The hardness should reach HRC52-HRC58 to increase the wear resistance of wheel surface.The processing accuracy of the supporting wheel axle is required to be high. Generally, NC machine tools are needed to process the axle to meet the requirements. The material is more than 40CR, quenching and heat treatment are also needed after processing, and the hardness reaches HRC42 or so.
Load wheels are easy to appear in the problem:
A
Wheel wear. This is the case.
The reason is that the steel used is not qualified or that the hardness of the material is higher during heat treatment.
Low wear resistance;
B
Oil spill.The axle of the supporting wheel rotates continuously through the sleeve.
Oiling is needed to lubricate the wheel body, but if the sealing ring is not good, it is easy.
Oil leakage occurs, so that the shaft and bush are compatible without lubrication.
Easy to wear and tear, resulting in the product can not be used.Therefore,
Supporting wheel
Well sealed
Models Available For Yanmar Excavators:
VIO15,VIO17,VIO18,VIO20,VIO30-1,VIO30-2,VIO35,VIO40-1,VIO40-2,VIO50-2,VIO50-6,VIO70,VIO75,VIO55-2,VIO55-6,B17,B27,B37,B50 ETC..
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