Some methods to reduce oxidation of stainless steel precision casting parts

Some methods to reduce oxidation of stainless steel precision casting parts

When using stainless steel precision casting parts, milky black spots often appear after anodizing film dyes. The reason why this situation occurs is because the aluminum alloy die-casting mechanism is loose, the porosity is large, and there are a variety of metal and non-metallic material residues, so the quality of the air oxidation film is generally more difficult.

Therefore, the method of preventing environmental pollution of aluminum alloy die-casting has a high working voltage and high current intensity impact method, that is, the selection of high voltage electric shock method, the selection of high voltage electric shock in the early stage of air oxidation of aluminum alloy die-casting, so that a part of the aluminum alloy that has been oxidized is then engaged by high voltage electricity. The surface sanding and polishing method is to polish and polish the aluminum powder filler and leave some of the gaps in the air, so that the gaps generated are connected as the bridge of the highway bridge.

Select the surface shot blasting, this method is to hit the gap with a round head hammer, press the impact to close it, can exceed the goal of a piece. For aluminum alloy die casting, the corresponding matching method should be selected according to the degree of environmental pollution. In order to produce and manufacture qualified aluminum alloy die casting parts, manufacturers must have a set of scientific processing content, and staff must strictly implement it during the entire processing process.