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Requirements for the surface of the floating seal ring

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Requirements for the surface of the floating seal ring

2019-08-02 09:33:39
The floating sealing ring is a workpiece with high precision. When using it, it is necessary to extend the service life of the original as much as possible. If the replacement is made in the middle, it is easy to cause problems such as improper matching and affect the use.


First of all, we have higher requirements on the hardness of the surface of the floating sealing ring. At the time of production, higher hardness can improve the wear resistance. In order to make the surface reach higher hardness, the whole quench hardening treatment is required, but the hardening hardening will be performed. Causes the amount of deformation of the metal ring. In addition, there are various surface hardening treatments such as nitriding and laser quenching, and these methods can reduce the amount of deformation of the metal ring as compared with the overall quenching. If the surface roughness of the floating seal ring is large, the wear degree is increased and the wear resistance is weakened. Under the condition of boundary lubrication, there is enough space to store the lubricating oil, which can reduce the friction and prolong the service life.


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