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2020-10-23 作者:Datong Hydraulic

How To Ensure The Quality Of Precision Piston Rod

How To Ensure The Quality Of Precision Piston Rod
2020-10-23 作者:Datong Hydraulic

The piston rod can be used for hydraulic starting, the piston rod processing requirements are very high. Therefore, the quality of the hydraulic cylinder mainly depends on the quality of the piston rod, which is the connecting part supporting the work done by the piston, and most of which is used in the cylinder. Cylinder motion actuator is a kind of moving part with high technical requirements. The quality of precision piston rod directly affects the life and reliability of the whole product.

Although from the point of view of design, piston rod is not considered to be affected by radial force, but it is directly restricted by the actual structure in use, and the piston rod is inevitably affected by radial external force. The machining length of precision piston rod should increase its guiding function, increase bearing surface area, reduce wear and improve the service life of hydraulic cylinder, and the quality of hydraulic cylinder mainly depends on the quality of piston rod. For precision piston rod machining, there must be enough tolerance precision of shape and position.

Generally speaking, the roundness of the piston rod inner diameter must be the roundness that the cylinder error cannot be greater than the dimensional tolerance. The outer diameter of the piston rod is the same as that of the inner hole and seal groove. The shaft tolerance should be within the specified value range. Generally speaking, the hydraulic cylinder end face relative to the hydraulic cylinder axis of the vertical tolerance should be within the specified range, in the finished piston rod, the surface has a thick layer of chromium plating, and then, in the process of hard chromium plating on the piston rod surface, process control. The hard chromium coating on piston rod surface requires higher plating bath. In order for the fixture components to be large enough to withstand the large current in the plating process, the user also needs to clean the fixture contact points firmly, because only in this way can solution be prevented from infiltrating the fixture contact points, and can improve the piston rod stiffness, wade surface quality of chromium plating.

上一篇super large long Custom Build Hydraulic Cylinder下一篇 Datong has finished hydraulic cylinder Order from Peru Client

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  • 4140 42CRMO4 SCM440 34CRMO Materials
  • Chrome Plated/Induction Hardened Rod
  • Cylinder Design And Repair
  • Honed Tube Related
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The Benefits Of Hard Chrome Plating2023-01-05
What is the difference between case hardening and induction hardening?2022-12-27
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categories

  • 4140 42CRMO4 SCM440 34CRMO Materials
  • Chrome Plated/Induction Hardened Rod
  • Cylinder Design And Repair
  • Honed Tube Related
  • others