杠杆支撑工艺及钻3-Φ10孔工装设计 前 言
毕业设计是我学完了大学的全部基础课，专业基础课及专业课之后进行的。这是对我们三年所学知识的一次深入的综合性的检验，也是一次利用所学的理论知识解决简单工程实际项目的大型设计。因此，它在我们的大学学习生活中占有着十分重要的地位。
就我个人而言，我希望能通过这次毕业设计对自己所学理论知识进行一次综合应用，从中锻炼自己分析问题，解决问题的能力，并希望通过毕业设计能养成一种严谨务实求真的工作态度。
由于能力有限，设计中有许多不足之处，恳请各位老师给予批评指证！
目 录
1.毕业设计任务书·············································2
2.前言·······················································3
3.毕业设计说明书正文·········································4
一、零件的分析···············································4
（一）零件的作用·············································4
（二）零件的工艺分析·········································4
二、工艺规程设计·············································5
（一）确定毛坯的制造形式·····································5
（二）定位基准的选择·········································5
1）粗基准的选择··············································5
2) 精基准的选择··············································5
（三）拟定工艺路线···········································5
1）工艺路线一················································6
2）工艺路线二················································6
3）工艺方案的分析与比较······································6
（四）机械加工余量、工序尺寸及毛坯尺寸的确定················7
（五）确定切削用量及工时定额································8
三、专用夹具设计············································15
1.夹具的功能与组成·········································15
2.夹具设计的一般步骤·······································17
3 绘制夹具装配图···········································18
4.钻床夹具的设计···········································19
5、切削力及夹紧力计算·······································20
6、定位误差分析·············································20
四、参考文献················································22
五、毕业论文小结············································23
六、致信····················································24
七、外文翻译················································25
参考文献
1.《切削用量手册》 艾兴、肖诗纲编 北京：机械工业出版社
2.《机械制造工艺设计简明手册》李益明编 机械工业出版社
3.《机床夹具设计》 哈尔滨工业大学 上海科学技术出版社
4. 《切削用量简明手册》
5.《金属机械加工工艺人员手册》 上海科学技术出版社
6.《机制工艺及装备课程设计指导》倪森寿 化学工业出版社
