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Hydraulic cylinder sealing performance depends on stable rod surface quality, plating adhesion, straightness, and matching honed tube condition.
Surface quality is not only appearance
A piston rod must maintain stable diameter, surface finish, chrome adhesion, and straightness. Surface defects may shorten seal life and create avoidable service risk.
Chrome plating and polishing should match the use case
Buyers should not only check dimensions. Chrome plating requirement, polishing quality, material hardness, and inspection discipline should be confirmed before mass production.
Honed tube quality also matters
For cylinder barrel applications, honed tube bore condition affects movement and sealing performance. Rod and tube requirements should be reviewed together when drawings are available.
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FAQ
Yes. Diameter checks, surface inspection, chrome layer review, straightness control, and packing inspection can reduce avoidable sourcing and assembly risk.
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