Dongguan Foundry Investment Casting Process
The so-called investment casting process is simply to use fusible materials (such as wax or plastic) to make a fusible model (referred to as investment or model), apply several layers of special refractory coatings on it, and dry and harden to form a whole shell , Then use steam or hot water to melt the model from the shell, then put the shell into the sand box, fill dry sand around the shell, and then put the mold into the baking oven for high-temperature baking (if a high-strength shell is used, demold The outer shell does not need to be baked directly).