摘要：本文主要介绍复合精密铸造中白模模样常见缺陷的形成原因，从模具设计、预发泡、成型发泡及成型后烘干等工序的工艺控制为切入点详细说明了各种缺陷的防止措施。 关键词：复合精密铸造 ;白模模样 ;缺陷 Abstact: This paper mainly introduces the reason of the common defects of foam pattern for replicast , The prevention action of various defects is illustrated by the entry point of process control, such a......