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0前言在流水线上大批量生产的铸件，用原手工造型或单台非压实式造型机造型之铸件冒口的传统设计方法已不能满足工艺需要，或说不能达到良好的工艺效果。笔者根据多年的生产实践，对近几年来在大量流水线上摸索出的一些实用的冒口设计方法作一简单介绍。1通常应用的传统冒口形
0 Preface Mass production of castings in the assembly line, with the original hand-made or single non-compacted molding machine casting riser of the traditional design methods can not meet the needs of the process, or can not achieve good process results. Based on years of production practice, the author gives a brief introduction of some practical riser design methods explored on a large number of production lines in recent years. 1 Commonly used riser-shaped