To take out the model before pouring the metal, Sand Casting should be made into two or more parts; during the mold making process, holes and vent holes for pouring metal into the mold must be left to synthesize the casting system. Sand Casting keeps the metal liquid for an appropriate time until th

The process and precautions of investment castingInvestment casting, also known as lost wax casting, includes processes such as pressing wax, wax repairing, tree forming, dipping, melting wax, casting molten metal, and post-processing. The currently popular Investment Casting Die Casting with Zinc/A