摘要 本次设计内容涉及了机械制造工艺及机床夹具设计、金属切削机床、公差配合与测量等多方面的知识。 导丝杆加工工艺规程及钻孔的夹具设计是包括零件加工的工艺设计、工序设计以及专用夹具的设计三部分。在工艺设计中要首先对零件进行分析，了解零件的工艺再设计出毛坯的结构，并选择好零件的加工基准，设计出零件的工艺路线；接着对零件各个工步的工序进行尺寸计算，关键是决定出各个工序的工艺装备及切削用量；然后进行专用夹具的设计，选择设计出夹具的各个组成部件，如定位元件、夹紧元件、引导元件、夹具体与机床的连接部件以及其它部件；计算出夹具定位时产生的定位误差，分析夹具结构的合理性与不足之处，并在以后设计中注意改进。 关键词：工艺、工序、切削用量、夹紧、定位、误差。 ABSTRCT This desig
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n, the error 目录 第1章零件机械加工工艺规程设计1 1.1零件工艺性分析1 1.2零件工艺路线1 1.3工序设计3 1.3.1粗铣A、B面（对称铣） 5 1.3.2粗车、半精车Ф80孔4 1.3.3精车Ф80孔7 1.3.4粗铣表面9 1.3.5粗铣C、D表面11 1.3.6半精铣槽12 1.3.7粗铣尺寸70外侧面14 1.3.8钻Ф20孔15 1.3.9钻Ф17孔17 1.3.10切槽18 第2章钻床夹具设计21 2.1.1拟定定位方案和选择定位元件21 2.1.2夹具的整体结构设计21 2.1.3夹具体的设计21 2.1.4误差分析22 2.1.5夹具的使用说明22 设计体会24 参考文献设25