- 1 - 目录 零件图及其零件毛坯图·································2 一 零件分析··········································3 1
1 零件的作用····································3 1
2 零件的工艺分析································3 1
3 确定零件的生产类型····························3 二 确定毛坯类型和毛坯尺寸····························3 2
1 选择毛坯······································3 2
2 确定毛坯尺寸和加工余量························3 三 工艺规程设计······································4 3
1 定位基准的选择·································4 3
2 拟定工艺路线···································4 3
3 确定加工设备及工艺装备·························6 3
4 加工余量、工序尺寸及公差的确定·················7 3
5 切削用量的计算·································9 3
6 生产工艺过程卡片及其工序卡片··················13 四 工序 40 钻孔夹具的设计····························26 4
1 夹具设计方案··································26 4
2 夹具的三维设计·········
