The fusible and foaming plaster molds are compared. The cast of foaming plaster mold is discussed. The technology process of casting MC nylon by foaming plaster mold is given.

• 比较了熔模石膏型和发泡石膏型的差异,全面论述了发泡石膏型铸造的特点,给出了发泡石膏型浇注铸型尼龙的工艺过程。