单耳止动课程设计说明书

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1、目录1冲压件工艺性分析.......................................31.1零件材料..............................................................31.2结构..................................................................31.3厚度..................................................................31.4生产批量......................

2、........................................31.5零件尺寸及其精度......................................................32确定工艺方案...........................................43排样图的设计和计算.....................................63.1排样图设计原则.......................................................73.2排样图方式..............

3、.............................................73.3材料利用率计算.......................................................84冲裁力的计算..........................................104.1冲裁力...............................................................104.2其它冲裁力的计算.................................................

4、....115选择压力设备..........................................126工作零件刃口尺寸的计算................................136.1凸凹模间隙..........................................................136.2刃口加工方式选择.....................................................147模具总体结构设计.......................................147.1模具类型

5、的选择.......................................................147.2送料方式.............................................................157.3卸料和出件方式.......................................................158主要零部件设计.........................................168.1工作零部件的设计...................................

6、...................178.2模架的设计...........................................................19288.3导向零件的设计.......................................................218.4定位零件的设计.......................................................228.5卸料部件的设计.......................................................249

7、模具二维总装图........................................2510心得体会..............................................26281冲压件工艺性分析此次冲压件为单耳止动垫片，规格为8mm,材料为Q235，经退火处理。1.1零件材料：Q235。这种材料属于普通碳素结构钢，属于低碳钢。由于其铁素体含量多，故其塑性、韧性优良，力学性能较好，其抗剪强度τ为255-373Mpa，抗拉强度бb为432