As a core component in many mechanical devices, precision piston rods are important for their performance and stability. And among the many parameters, surface roughness is an often overlooked but equally important parameter.
Surface roughness is the minute unevenness of the surface of a precision piston rod. This unevenness may be caused by the manufacturing process, the nature of the material or external wear. Typically, surface roughness is evaluated using specific measurement tools and methods, such as the use of a surface profiler.
Importance:
1, sealing performance: the surface roughness of a precision piston rod directly affects the sealing effect of the seals with which it is mated. Excessive surface roughness may lead to leakage and reduce equipment efficiency.
2, friction and wear: rough surface will increase the friction between the piston rod and other parts, which will accelerate the wear and shorten the service life of the piston rod.
3, precision and stability: for piston rod applications with high precision requirements, such as precision machine tools or hydraulic systems, surface roughness will directly affect the stability and accuracy of the system.
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