Precision foundry

It includes: investment casting, ceramic mold casting, metal mold casting, pressure casting, lost mold casting.One of the more commonly used is investment casting, also known as lost wax casting: select suitable investment materials (such as paraffin wax) to make investment;Repeat the process of coating and casting refractory sand on the mould, harden the shell and dry it.Then melt the internal melt, to obtain the mold cavity;Roast the shell to obtain sufficient strength and burn off the remaining molten material.The metal materials required for pouring;Solidification and cooling, sand removal after shell, so as to obtain high-precision finished products.According to the product needs or heat treatment and cold processing and surface treatment.