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在大型模具和复杂的刃口模具中,为了便于加工制造,减少热处理变形,节约模具钢材,常常应用凸模、凹模的镶块结构。而模具镶块的划分往往又是最困难的问题之一,要求设计者具有丰富的设计经验和灵活应用的创造性。一般冲压资料中对这类问题介绍不多。现介绍一些经过多年实践检验的模具镶块的划分原则及销钉尺寸计算的简化公式,对模具镶块设计有一定好处。
In large molds and complex cutting edge mold, in order to facilitate the manufacture, reduce heat treatment deformation, saving mold steel, often used punch, die inserts structure. The division of mold inserts is often one of the most difficult problems, requiring designers to have a wealth of design experience and flexible application of creativity. General stamping information on this issue is not much introduction. Are introduced after some years of practice test the principle of dividing the mold inserts and pin size calculation of the simplified formula for the design of the mold inserts have some benefits.