机械毕业设计(论文)-Z形件级进模设计-冲压模具类(含全套图纸)

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1、完整说明书CAD图纸由QQ:153893706提供..目录摘要······································································································1关键词···································································································11前言····················································

2、···············································21.1本设计的目的与意义····································································21.2本课题在国内外发展概况及存在的问题··········································21.3应该解决的主要问题及应达到的技术要求·······································42零件的加工方法·······························

3、···················································`42.129完整说明书CAD图纸由QQ:153893706提供零件工艺性分析········································································`42.2工艺方案的制定·········································································52.2.1模具的类型··································

4、·····································52.2.2模具的零件········································································62.2.3模具的形式········································································62.2.4Z形件弯曲方案···································································93工艺及排样图设

5、计··············································································103.1排样的注意事项·······································································113.229完整说明书CAD图纸由QQ:153893706提供冲压顺序·················································································123.3排样方案····

6、·············································································134材料利用率及方案比较·······································································154.1材料利用率·············································································154.2方案比较和选择································

7、·······································165工序计算···························································································175.1总压力····················································································175.1.1方案的各种力的计算···