Foundry manufacturers casting requirements

Precision casting casting steel dimensional accuracy is high, casting parts manufacturers, the general linear tolerance is 1%, the Angle tolerance is: ±1/2 degree, the surface finish can reach Ra 1.6-3.2, can save materials and machining costs. It can produce parts with complex shapes, or cast multiple parts into one, eliminating the need for combination or welding work. It can cast exquisite text or LOGO pattern on the surface of the product to improve the product image.

Casting material performance is wide, heat resistance, wear resistance, corrosion resistance, material hardness up to HRC15-60, to meet the needs of various working conditions. Casting production batch flexible, from a small amount to mass production can be, high efficiency, good repeatability; Low mold cost, less initial investment in product development.

Large steel castings are mostly the main bearing parts and supporting parts in major technical equipment. The size of castings is huge, the shape is complex, and the cross-section thickness is very wide. Such castings are often in a high temperature and high pressure working state, and the performance and quality requirements are very strict, especially the high temperature performance requirements are more stringent.

Steel castings should be used after heat treatment. Because there are porosity, cracks, shrinkage and porosity, coarse grain, uneven structure and residual internal stress in the cast steel, the strength of the cast steel, especially the plasticity and toughness are greatly reduced.