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Wear resistance of chrome rod
Jul 28, 2018

In the process of operation, the chrome-plated rod is mainly a connecting part that supports the work of the piston. In operation, most of it is used in the cylinder and the cylinder movement executing part, and the chrome-plated rod is a moving part with frequent movement and high technical requirements.

The chrome-plated rod is mainly subjected to rolling processing to a certain extent, and the residual pressure stress is left on the surface layer during the production, which will contribute to the sealing of the micro-cracks on the surface during the operation, which hinders The expansion of erosion. Thereby, the surface corrosion resistance is improved, and the generation or expansion of the fatigue crack can be delayed, thereby improving the fatigue strength of the cylinder rod.

The chrome-plated rod is formed by rolling, and the rolling surface directly forms a cold-hardened layer, which can reduce the elastic and plastic deformation of the grinding contact surface, thereby improving the wear resistance of the cylinder rod surface. Burns caused by grinding are avoided. After rolling, the surface roughness value is reduced to improve the compounding property. At the same time, the friction damage to the seal ring or the seal member during the movement of the cylinder rod piston is reduced, and the overall service life of the oil cylinder is improved.

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