What is Precision Casting

Precision casting is divided into investment casting, ceramic mold casting, metal mold casting, pressure casting and lost foam casting.

The more commonly used one is investment casting, also known as lost wax casting: select appropriate investment materials (such as paraffin) to make an investment mold; repeat the process of dipping refractory paint and spreading refractory sand on the investment mold, hardening the shell and drying; Melt the internal investment mold to obtain the mold cavity; bake the mold shell to obtain sufficient strength and burn off the remaining investment material; pour the required metal materials; solidify and cool, and clean the sand after shelling to obtain high quality Finished product with precision. Heat treatment and coldprocessing and surface treatment are performed according to product needs.