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175-30-00489 175-30-00490 KOMASTU Dozer Track Roller D155SF/DF Single/Double Flange Roller 17A-30-00080 17A-30-00070
HIGH QUALITY,HIGH ACCURACY,LONG SERVINCE LIFE.
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.
Axle:Adopting 45# steel ,tempering and medium-frequency induction surface hardening.The surface HRC is 52-60, depth of hardening is 3-6mm,comprehensive is good.
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.
A thorough study of the original drawing, presenting the OEMs (Original Equipment Manufacturers) performance requirements, will allow us to manufacture all the different types of conveyor rollers available on the market. The best solution will be applied to our production line after rigorous analysis of the drawings.
Track Roller
What is track roller
The track roller is one of the four-wheel belts of the crawler-type construction machinery chassis. Its main function is to support the weight of the excavator and the bulldozer, so that the track moves along the wheels.
The roller is used to support the weight of the excavator while rolling on the guide rail (rail link) or the track shoe surface of the track, and it is also used to limit the track to prevent lateral slippage. The rollers force the track to slip on the ground when the tractor turns. The rollers are often in mud, water and dust and are subject to strong impacts, so they are required to have reliable sealing and wear-resistant rims.
The function of the rollers is to transmit the weight of the locomotive group to the ground and roll on the track. In order to prevent derailment, the rollers should also be able to prevent the track from moving relative to it laterally.The rollers often work in muddy water, sand and sand, and bear strong impact. The working conditions are extremely bad, and the rim is easy to wear. The requirements for the roller are: wear-resistant rim, reliable bearing seal, low rolling resistance, etc.
