The surface treatment of self-locking gas springs generally includes the following methods:
1. Applying a layer of sealant on the contact surface of the gas spring and the seal.
Common sealants include silicone, polyurethane sealant, etc. Sealant has good sealing performance and temperature resistance, can fill the micro gaps on the contact surface, and improve the sealing effect.
2. Special spraying treatment on the contact surface of the gas spring and the seal.
Common spraying materials include polymer coating, metal coating, etc. The spraying material can increase the surface hardness and wear resistance, and at the same time increase the surface roughness, which helps to improve the sealing performance.
3. Oxidizing the surface of the gas spring to form an oxide film.
The oxide film has a certain sealing performance, can fill tiny pores and defects, and improve the sealing effect.
4. Plating a layer of metal or alloy material on the surface of the gas spring.
Common platings include galvanizing, nickel plating, chrome plating, etc. Plating can increase the surface hardness and corrosion resistance, and improve the sealing performance.
These surface treatment methods can be selected and combined according to the specific situation to meet the sealing performance requirements of
self-locking gas springs in different working environments.
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