336/50 Bushing (copper bushing, pull ring)
液压缸部件
轴衬——定位活塞轴,便于活塞轴在油压作用下,轴衬内自由滑动.
拉别令——定位壳体与活塞轴孔眼,控制液压缸泄漏量.
Hydraulic cylinder component
Bushing - Positioning the piston shaft, so that the piston shaft can slide freely inside the bushing under oil pressure.
Pull the order -- positioning the shell and piston shaft holes, control the leakage of hydraulic cylinder.