设计简介
摘要
本文设计了二级圆柱齿轮减速器的上、下壳体机械加工工艺过程,合理的选择了刀具、量具、机床等加工用具。确定了各工序的安装工位和该工序所需要的工位,以及加工该工序的机床进给量、切削深度、主轴转速、切削速度、走刀长度等。设计了铣分割面的专用机床夹具,并计算了该夹具的夹紧力,保证了该夹具的使用精度。通过严格的查阅书籍和计算,保证了零件加工的精度。
关键词:机械加工工艺;机床夹具;工序;加工余量
本文设计了二级圆柱齿轮减速器的上、下壳体机械加工工艺过程,合理的选择了刀具、量具、机床等加工用具。确定了各工序的安装工位和该工序所需要的工位,以及加工该工序的机床进给量、切削深度、主轴转速、切削速度、走刀长度等。设计了铣分割面的专用机床夹具,并计算了该夹具的夹紧力,保证了该夹具的使用精度。通过严格的查阅书籍和计算,保证了零件加工的精度。
关键词:机械加工工艺;机床夹具;工序;加工余量
ABSTRACT
In this paper, the mechanical machining process of the two cylindrical gear reducer,s upper、lower shell is designed, and the tools, measuring tools and machine tools are chosen reasonably.Determine the installation station and the process required by the station, and machining of the machine tool feed, cutting depth, spindle speed, cutting speed, knife length, etc...The design of the milling surface segmentation fixture, clamping force of the clamp and calculation, to ensure the accuracy of the fixture.Through strict access to books and calculations, to ensure the accuracy of parts processing.
Keywords: machining process;machine tool ficture; working procedure;machining allwance
目 录
第一章 前言............................................................1In this paper, the mechanical machining process of the two cylindrical gear reducer,s upper、lower shell is designed, and the tools, measuring tools and machine tools are chosen reasonably.Determine the installation station and the process required by the station, and machining of the machine tool feed, cutting depth, spindle speed, cutting speed, knife length, etc...The design of the milling surface segmentation fixture, clamping force of the clamp and calculation, to ensure the accuracy of the fixture.Through strict access to books and calculations, to ensure the accuracy of parts processing.
Keywords: machining process;machine tool ficture; working procedure;machining allwance
目 录
第二章 零件的工艺分析................................................2
2.1 零件的工艺性.....................................................2
2.2 确定毛坯的铸造形式...............................................2
2.3 确定零件的生产类型...............................................2
第三章 拟定壳体的加工工艺路线.......................................4
3.1 定位基准的选择...................................................4
3.1.1粗基准的选择............................................... 4
3.1.2精基准的选择................................................4
3.2 加工路线的拟定...................................................5
第四章 加工余量、加工刀具等设备确定................................6
4.1 上壳体...........................................................6
4.1.1各加工面的总加工余量........................................6
4.1.2选择加工设备及刀具、夹具、量具等............................6
4.2 下壳体...........................................................7
4.2.1各加工面的总加工余量........................................7
4.2.2选择加工设备及刀具、夹具、量具等............................7
4.3 合箱后的加工设备及刀具、夹具、量具等的选择........................7
第五章 确定切削用量及基本工时.......................................9
5.1 上壳体...........................................................9
5.2 下壳体..........................................................16
5.3 合箱............................................................25
第六章 铣分割面的夹具设计..........................................34
第七章 结论...........................................................36
参考文献................................................................37
致谢....................................................................38