Vehicle shock absorber piston rod spraying technology
A technology of piston rod and shock absorber, which is applied in the field of spraying process of piston rod of automobile shock absorber, can solve the problems of potential safety hazards, emission pollution to the environment, high cost of chrome-plating processing, difficulty in realizing automatic operation, etc. Risk, low scrap, good impact strength and toughness
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[0023] The automobile shock absorber piston rod spraying process of the present invention will be further described below in conjunction with the embodiments.
[0024] The automobile shock absorber piston rod spraying process of the present invention can be carried out according to the following steps:
[0025] Step 1. Rough grinding: The material of the piston rod is 45# steel that has been quenched. After lathe processing, it is placed on the grinder, and it is rough ground with a white corundum grinding wheel. After rough grinding, the surface roughness of the piston rod is controlled at Within Ra3.0 microns;
[0026] Step 2. Degreasing: degrease and degrease the piston rod to be sprayed according to the conventional method, so as to improve the bonding fastness between the coating and the surface of the piston rod, and prevent falling off and failure during use;
[0027] Step 3. Surface roughening: the purpose of surface roughening is to improve the bonding force between ...
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