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Hard cation can achieve a thick layer of aluminum anodic oxidation technology
The oxidation film has a large thickness of d5L1 -- 3IHlfAm, and its hardness is very high.The inmate membrane has a gap and can absorb various lubricants, which increases the anti-wear ability.The thermal conductivity of the membrane is poor, and its melting point reaches Aoso.Electrical limit factor sealing treatment (coated or paraffin impregnated), breakdown voltage up to zucrov, high corrosion resistance in atmosphere.Mainly used in the national defense and mechanical silver manufacturing industry eccentric drive shaft requirements wear, heat, insulation aluminum alloy parts.For example, piston, cylinder, bearing, aircraft room floor, roller, guide, etc.There are many solutions of hard anodic oxidation film, among which dc and precision nc lathe is the best choice to process low temperature sulfuric acid electrolyte.