浮生丶流年《塑性成形工艺》课程设计题目：双孔垫片级进模设计姓名：灬焚书灬学号：89757系别：材料工程系专业：年级：指导教师：2015年月日2目录1课程设计任务书...................................................................................................................................42冲压工艺分析.......................................................................................................................................42.1零件结构........................................................................................................................................42.2尺寸精度........................................................................................................................................52.3材料................................................................................................................................................53工艺方案及模具结构类型...................................................................................................................54排样方案的确定...................................................................................................................................54.1排样方式的选择............................................................................................................................54.2计算条料宽度................................................................................................................................54.3计算条料步距................................................................................................................................64.4计算材料利用率............................................................................................................................75工作零件刃口尺寸计算.......................................................................................................................76工作零件结构尺寸与设计...................................................................................................................96.1落料凹模板结构尺寸....................................................................................................................96.2卸料部件的设计..........................................................................................................................116.3垫板的结构设计..........................................................................................................................116.4导料板的结构设计......................................................................................................................126.5承料板的结构设计......................................................................................................................126.6模柄..............................................................................................................................................126.7标准模架和导向零件..................................................................................................................126.8模座的选择..................................................................................................................................136.9选择导柱和导套..........................................................................................................................146.10凸模尺寸计算...........................
