Technical process of chrome plating overpassing hydraulic mechanical member
A kind of hydraulic machinery and technical technology, which is applied in the field of catalytic alloy plating solution and processing technology, can solve the problems of complicated procedures, low efficiency, heavy pollution, etc., and achieve the effect of improving the anti-wear cycle, improving corrosion resistance, and matching performance and durability
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[0011] The catalytic alloy plating solution is prepared with pure water as the main medium and supplemented with other materials according to the prescribed process. This is achieved by weighing nickel sulfate, glycine, sodium hypophosphite, graphite fluoride, boric acid, sodium saccharin, and lead ions in proportion, and putting them into a container with a stirrer for stirring. be usable. When plating is required, heat the plating solution to 50-80°C, and determine the plating time according to the required thickness. The materials are: pure water: nickel sulfate: glycine: sodium hypophosphite: graphite fluoride: boric acid: sodium saccharin: lead ion: ammonia water: sodium hydroxide=90:3:2.5:0.35:0.6:3:0.3 :0.003:0.35:0.15.
[0012] Below, combined with examples of valve sleeves and valve stems of hydraulic components, the production and processing technology process steps are described in detail:
[0013] (1) Early pretreatment process: degreasing and derusting the hydr...
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