The paper introduces the technology measures to obtain high quality zinc base alloy patterns such as:choked running pouring and insulating riser,plaster mould to be separated as cope and drag,etc.

• 介绍了为获得高质量锌基合金模具而采取的工艺措施,例如使用闭合式浇注和保温(?)口,将石膏型分为上下型等;