9089636/ 9134245/ 9234984 Excavator Upper Roller,Top Roller,Carrier Roller EX200-5
We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for 9089636/ 9134245/ 9234984 Excavator Upper Roller,Top Roller,Carrier Roller EX200-5, We have four leading products. Our products are best sold not only in the Chinese market, but also welcomed in the international market.
We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for 9089636/ 9134245/ 9234984 Excavator Upper Roller, Carrier roller EX200-5, China Ex200 Top Roller, Hitachi Carrier Roller, In the future, we promise to keep provide the high quality and more cost-effective goods, the more efficient after sales service to our all customers all over the world for the common development and the higher benefit.
Description:
Carrier roller is suitable for ranging 0.2-120 ton mini excavators and heavy excavators and bulldozers.
The design of double code seal and life long lubrication make the track roller a healthy life and a wonderful performance.
Manufacture of hot forging processing: roller shell access to excellent flow distribution within the material structure of fiber.
Differential quenching or through quench hot heat treatment, the rollers have crack resistance effect and have a longer life span.
Production Porcess:
TOP ROLLER: Forging Material (50MN) Cover Material(QT450) Shaft( 45#)
Degree of depth: 3mm (Shaft: 1.5-2mm) Hardness: HRC53-56
Roller Body：Forging—Turning operation—Quenching—Fine Turning operation—Pressure Bushing—Welding—Slag Shovel（clean up the body surface）
Shaft：Forging—Turning operation—Drill—Tapping—Temper—Quenching—Mill—right-handed screw
End Cover：Forging/Casting/Steel Rod—Rough and Fine Turning operation—Drill—Tapping
All Parts Ready To：Assembly—Pressure Test—Filling Oil—Spray Paint—Checking—Storage
Quality Value:
Roller shell material：50Mn
Surface Hardness：HRC53-56
Quench depth：>7mm
Roller shaft material：45#
Surface Hardness：HRC53-56
Quench depth：>2mm
End Cover material：QT450We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for China Cheap price China Ex200-1 Ex200-5 Top Roller Zx210 Zx220 Upper Roller for Hitachi Zx200 Carrier Roller 9089636 9134245 9270478, We have four leading products. Our products are best sold not only in the Chinese market, but also welcomed in the international market.
China Cheap price China Ex200 Top Roller, Hitachi Carrier Roller, In the future, we promise to keep provide the high quality and more cost-effective goods, the more efficient after sales service to our all customers all over the world for the common development and the higher benefit.
