机械5

摘要 冲压模具在实际工业生产中应用广泛。在传统的工业生产中，工人生产的劳动强度大、劳动量大，严重影响生产效率的提高。随着当今科技的发展，工业生产中的模具的使用已经越来越引起人们的重视，而被大量应用到工业生产中来。冲压模具的自动送料技术也投入到实际生产中，冲压模具可以大大的提高劳动成产率，减轻工人的负担，具有重要的技术进步意义和经济价值。 本文对冷冲压技术的分类、特点及发展方向作了简略的概述：论述了冲压零件的成形原理、基本模具结构与运动过程及其设计原理；对典型的冲压件零件进行了设计：此设计解决了冲压模具的加工难题,冲压模具的设计充分利用了机械压力机的功用特点，在室温的条件下对坯件进行冲压成形，生产效率高，经济效益显着。 关键词：冲压、模具、模具设计、工艺 Abstract Pu
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nd the burri
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ng 目录 摘要1 Abstract 2 目录3 第1章绪论5 1.1模具选材的意义5 1.2模具选材的原则6 1.3冷冲压模具的选材原则8 第2章零件的分析10 2.1零件的工艺性分析10 2.2工艺方案比较及确定10 2.3冲压工艺与模具设计的内容及步骤11 2.4零件及其冲压工艺性分析12 2.5搭边12 2.6送料进距12 2.7条料宽度13 2.8排样设计与计算13 2.9计算冲压力与压力中心，初选压力机14 2.10计算凸、凹模刃口尺寸及公差14 第3章确定模具总体结构方案15 3.1模具类型15 3.2操作与定位方式15 3.3卸料方式与出件方式15 3.4模架类型及精度15 3.5模具的失效形式16 3.6提高模具寿命的途径17 3.7零件的技术要求19 3.8装配技术要求20 3.9模具安装要求21 3.10冲裁模具的试冲21 结论与展望25 致谢27 参考文献28