Anti-rust knowledge about precision castings.

Casting structure design: On the premise of ensuring its working performance and mechanical properties, considering the requirements of casting process and alloy casting form on the casting structure, whether the structure design is reasonable, has a greater impact on the quality, productivity and cost of the casting.

The following is to share with you the rust prevention knowledge about precision castings. The corrosion or discoloration of metals or alloys in the atmosphere caused by oxygen, water, acid, salt and humid air is called rust or rust, which can transform the metal's high-strength surface layer into low-strength compounds. Therefore, investment casting often requires mid-term rust prevention treatment. The method to prevent corrosion is generally to choose water rust prevention or oil rust prevention. No matter which rust prevention method is selected, the casting must be washed first to remove the dirt on the surface and promote the formation of a passivation film. The composition, temperature and use of the scrubbing liquid. After pouring, apply desiccant, dry mold compressed air, and then carry out anti-rust treatment.