Composition and connecting parts of the piston rod

The piston rod is a connecting part suitable for the piston to do work. Most of them are used in the cylinder and cylinder motion implementing parts. It is a moving part with frequent movements and high technical requirements. Taking the hydraulic cylinder as an example, it is composed of cylinder liner, piston rod (cylinder rod), piston and end cover. The quality of its processing is directly related to the life and stability of the entire product. The processing requirements of the piston rod are high, and the surface roughness requirement is Ra0.4～0.8μm, and the requirements for coaxiality and wear resistance are strict. The essential feature of the cylinder rod is the processing of the slender shaft, which is difficult to process and has always confused the processing personnel.

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