- 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································26 五 参考文献········································27 六 实训总结········································2 8 - 2 - 零件图 零件毛坯图 - 3 - 密封圈定位套的设计 一 零件分析 1 .1 零件的作用 密封圈定位套是机械密封装置中一个重要的零件，它的外圈有凹凸结构，内圈端面突出一部分保证轴向定位要求，两者都可以作为密封圈的辅助...
