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论文编号:JX048 此份包括以下所有内容,说明书字数:1856,页数:10
零件图如下:
目 录 一.冲裁件的工艺性分析......................................................2 1.制件的冲压工艺性 .........................................................2 2.确定冲裁工艺方案 .........................................................2 3.模具的结构形式 ..................................................... .....3 二.工艺计算 ...............................................................3 1.排样......................................................................3 2.冲压力的计算...............................................................4 (1) 冲裁力..................................................................4 (2)顶件力..................................................................4 (3)卸料力..................................................................4 3.凸凹模刃口尺寸的计算.........................................................4 落料........................................................................5 冲孔........................................................................5 三.选择与确定模具的零部件的结构与尺寸.........................................6 1.凹模外形尺寸的确定与选择.....................................................6 2.凸模外形尺寸的确定与选择 ....................................................6 3.标准模架的选择 ............................................................6 4.定位零件的选择.............................................................7 (1)导料销..................................................................7 (2)挡料销 ................................................................7 (3) 防转销..................................................................8 5.卸料装置的选择.............................................................8 6.连接螺钉的选择.............................................................9 四.冲压设备的选择 ...........................................................9 1.模具闭合高度的校核..........................................................9 2.冲裁所需冲压力的校核 .......................................................10 3.模具最大安装尺寸的校核 .....................................................10