Common precision casting methods

2024-01-31 10:17:08

It includes investment casting, ceramic casting, metal casting, pressure casting, and lost foam casting.

The most commonly used one is investment casting, also known as wax loss casting: selecting suitable investment materials (such as paraffin) to manufacture investment molds; Repeatedly apply refractory coating and sprinkle refractory sand on the investment mold, harden the shell and dry it; Dissolve the internal mold to obtain the mold cavity; Baking the shell to obtain sufficient strength and burning off residual investment materials,; Metal materials required for pouring; Solidification cooling, sand cleaning after shelling, in order to obtain high-precision finished products. According to product requirements, heat treatment, cold processing, and surface treatment should be carried out.