It makes use of the hollow cylinder rod of hydraulic cylinder instead of solid cylinder rod, and transfers the stress spot to another place for ameliorating the stress status of cylinder rod.

Application of Quality Improvement in Piston Rod Machining;

The piston rod steering structure analysis of disc type deburrer for billets;

Experimental research on piston rod surface intensification using electric brush coating method;

This article introduces the principle and method of nickel - plating with chemistry plating mode and it is simple in technics, operation conveniency, innocuity, naught contamination and can be using anticorrosive of the tail of piston pole.

This article analyzes and calculates the fatigue breaking theory of piston pole, presents the viewpoint of improving the pre-tightening part s elasticity of piston pole, introduces all previous alteration course to prevent piston pole from breaking.