转向器壳体工艺规程及专用夹具设计 摘要 能通过运用机械制造工艺学课程中的基本理论以及在生产实习中学到实践知识，正确的解决一个零件在加工过程中的定位.夹紧以及工艺路线安排以及工艺尺寸的确定等问题，确保证零件的加工的质量 学会使用图表资料以及手册，掌握与本设计有关的各种资料的名称及出处，能够做到熟练的使用。所以，它在我们的大学的生活当中占有比较重要的地位。就我自己个人来说，我希望能够经过这次的课程设计对自己未来从事的工作，进行一次适应性的训练，从中锻炼自己考虑问题以及解决问题的能力，为自己今后的工作打下一个比较良好的基础。因为能力有所限制，设计当中可能会有不足的地方，恳请各位老师给予批评与指正。 Abstract Ca
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nt out mistakes. 目录 1转向器壳体加工工艺规程设计2 1.1零件的分析2 1.1.1零件的作用2 1.1.2零件的工艺分析2 1.2孔和平面的加工顺序3 1.3转向器壳体加工定位基准的选择3 1.4转向器壳体加工主要工序安排3 2机械加工余量、工序尺寸及毛坯尺寸的确定5 3确定切削用量及基本工时5 工序粗精铣左侧面5 钻左端平面4-M8孔7 攻丝M8 8 工序：镗Φ35的孔10 4专用夹具设计13 4.1车床夹具设计13 4.1.1确定夹具的结构方案13 4.1.2.夹紧力计算13 4.1.3.定位误差分析13 4.1.3.夹具的使用说明18 5结论19 致谢20