毕业设计进给箱齿轮轴

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1、机电一体化专业毕业设计（论文）机械制造工艺部分题目：进给箱齿轮轴系别：动力工程系专业：机电一体化班级：机电092班学生姓名：李春光指导教师：熊娟韩丽娜完成日期：2012-05-06四川电力职业技术学院2012届毕业设计进给箱齿轮轴进给箱齿轮轴机械加工工艺规程毕业设计摘要进给箱用来改变进给量，主轴经挂轮箱传入进给箱的运动，通过移动变速手柄来改变进给箱中滑动齿轮的啮合位置，便可使光杆或丝杆获得不同的转速。本文主要是给“进给箱齿轮轴”制订机械加工工艺规程。文章分别从课题的来源及意义，毛坯的制造形式及尺寸，基准的选择，加工阶段的划分以及工艺路径的拟定，加工余量还有尺寸的设计来进行介绍的。关键

2、词：齿轮轴，尺寸，设计工艺，加工基准，设计人：李春光12012届毕业设计进给箱齿轮轴目录1绪论·······························································31．1选题背景······················································31．2零件作用······················································32毛坯的选择······················································

3、···32．1外圆表面尺寸的确定···········································42．2外圆表面沿轴线长度方向加工余量及工差的确定···················42．3零件图························································42．4立体图························································53基准的选择························································54加

4、工阶段的划分···················································64.1粗加工阶段····················································64.2半精加工阶段··················································64.3齿轮加工阶段磨削加工阶段······································65工艺路径的拟定···················································66机

5、床的选择·······················································77夹具的选择·······················································78刀具的选择·······················································89量具的选择·······················································810确定工序尺寸·········································

6、············911切削用量的选择··················································10附录······························································12总结·····························································错误！未定义书签。致谢·····························································22参考文献··············

7、·············································23设计人：李春光22012届毕业设计进给箱齿轮轴1绪论1、1选题背景轴类零件的功用为支撑转动零件、传动扭矩、承受载荷以及保证装在齿轮轴上的工件具有一定的回转精度。零件Φ24用来装套筒然后装滚动轴承起支撑作用，键槽8用来安装齿轮起定位作用。Φ30用来安装滚动轴承表面光洁度要求高并且同轴度要求不大于0.01mm轴的一端为齿轮轴用来变向，变速传递运动。齿轮精度为8级一般精