Hydraulic machinery

Why use Bronze Bushings on Hydraulic machinery? what are hydraulic cylinder bushings?

The copper sleeve of the injection molding machine is used as a sliding bearing, and the opening and closing actions of the platform carrying the mold are all sliding on the 4 guide rails

Zhuji City Jiaerda Machinery is a manufacturer specializing in the production of Hydraulic Cylinder Components(copper sleeve), with various specifications and materials, and can be customized with drawings and samples!



The hydraulic cylinder is the most used processing component in the plastics processing industry. Not only a large number of products can be directly produced by the injection molding machine, but also the key equipment that constitutes the injection stretch blowing process.

The lubricating material contained in the base body generally penetrates the inner and outer diameters of the bearing. During the operation of the equipment, the lubricating material and the shaft rub against each other through friction, and the lubricating material and lubricating oil continue to seep out, forming an excellent condition for oil film lubrication between the inner wall of the bearing and the shaft, Which not only protects the shaft from wear but also makes the solid lubrication properties lasting forever.



Copper Sleeve can be used in low-speed, heavy-load, and inconvenient maintenance, with no oil supply conditions, and can be used between sub-zero temperature and zero-300°C.

It has the characteristics of high hardness, large load, corrosion resistance, and low friction coefficient.

C83600 (Tin Bronze Bearing)

  GB/T BSEN Hardness Friction Coefficient Elasticity Modulus Thermal Conductivity Operating Temperature
C83600 ZCuSn5Pb5Zn CC491K >65HB <0.15 90KN/mm² 71W/(M.K) ≤220℃
C90710 ZCuSn10P1 CC480K >90HB <0.15 95KN/mm² 50W/(M.K) ≤220℃

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