目录摘要..........................................................................................................................................................IABSTRACT.............................................................................................................................................II第一章绪论..............................................................................................................................................11.1模具在现代工业中的重要性..........................................................................................11.2冲压模具相关介绍...................................................................................................................11.3冲压模具在现代工业生产中的地位...........................................................................21.4冲压模具水平状况...................................................................................................................21.5我国冲压模具今后发展趋势............................................................................................4第二章零件的工艺性分析..........................................................................................................62.1冲压件的工艺性分析.............................................................................................................62.2冲裁工艺方案的确定.............................................................................................................7第三章主要数据的计算..................................................................................................................93.1排样方案的确定及计算......................................................................................................93.2冲压力的计算............................................................................................................................133.2.1落料力...................................................................................................................................133.2.2冲孔力......................................................................................................................................133.2.3冲裁时的推料力和卸料力顶料力的计算................................................................153.2.4最大冲压力的计算及压力机的选择............................................................................163.3模具压力中心的确定...........................................................................................................173.4冲模刃口尺寸及公差的计算........................................................................................183.4.1冲孔部分...............................................................................................................................203.4.2落料部分...............................................................................................................................213.4.3孔心距...................................................................................................................................22第四章模具结构及模具零件的设计....................................................................................234.1模具类型的选择......................................................................................................................234.2定位方式的选...
