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The piston rod is a method of repeated movement in order to improve the service life of the piston rod and reduce the wear rate of the piston rod, so the blank is made of 38CrMoAlA alloy tool steel. Because the manufacturing category belongs to mass production, in order to improve productivity, it is recommended that we choose the free forging method to produce blanks.

As the name implies, the piston rod is a connecting part that supports the piston to do work, most of which are used in cylinders and cylinder motion execution parts, and is a moving part with frequent movement and high technical requirements. Taking the hydraulic cylinder as an example, it is composed of: cylinder barrel, piston rod (cylinder rod), piston, end cover. The quality of its processing directly affects the life and reliability of the entire product. The piston rod processing requirements are high, and its surface roughness requirements are Ra0.4~0.8um, which has strict requirements for coaxiality and wear resistance.

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