摘要 本次课程设计题目是轴阶套的机械加工工艺夹具设计。内容有：零件的分析、工艺规程设计和夹具设计。这是我们在学完了大学的全部基础课，专业基础课以及专业课之后进行的一个实践性环节，是我们应用所学基础理论、专业知识与技能去分析和解决生产实际问题的一次综合训练。 我希望通过这次课程设计能巩固、扩大和强化自己所学到的理论知识与技能，提高自己设计计算、制图、编写技术文件的能力，学会正确使用技术资料、标准、手册等工具书，并在设计中培养自己理论联系实际、严肃认真的工作作风和独立工作能力，为以后进行设计和后从事技术工作打下一个良好的基矗 Abstract This curriculum desig
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ncies, hoped fellow teachers give advise. 目录 1零件的分析………………………………………………1 1.1零件的作用析……………………………………………… 1 1.2零件的技术要求…………………………………………… 1 2工艺设计…………………………………………………………1 2.1毛坯的制造形式…………………………………………… 1 2.2基准面选择………………………………………………… 4 2.2.1粗基准的选择………………………………………… 4 2.2.2精基准的选择………………………………………… 4 2.3工艺制定…………………………………………………… 5 2.4机械加工余量、工序尺寸及毛坯尺寸的确定…………… 6 2.5确定切削用量……………………………………………… 6 3.专用夹具设计………………………………………………… 18 3.1问题的指出………………………………………………… 18 3.2夹具设计…………………………………………………… 19 3.2.1定位基准的选择……………………………………… 19 3.2.2切削力及夹紧力的计算……………………………… 19 3.3定位误差的分析…………………………………………… 19 3.4夹具设计及操作的简要说明…………………………………… 19 参考资料……………………………………………………………………… 20