壳体零件的工艺规程编制及钻底面2-φ7孔夹具设计【2张CAD图纸+毕业说明书论文】

摘要：本设计是一种壳体的工艺设计和夹具设计。此零件是一类支撑和包容传动机构的壳体零件。在机床加工工件时，需要定位和夹紧，在机床上用来完成工件装夹的工艺装备就是各类机床中最为广泛的“机床夹具”我们制作及研发夹具是要让夹具具有以下优点：要操作方便，安全，质量高，夹持稳定，提高工作的效率，减轻工人的工作量，实现人机共赢，从而使经济效益大幅提高，为国家创造财富。

除此之外，还设计了一套专用车床夹具和专用钻床夹具。

    关键词：壳体；工艺设计；夹具；效率；经济效益；财富

Fixture design process planning and housing parts

Abstract：This design is to design a process design and fixture housing. This part is a kind of support and inclusion actuator housing parts. In machining a workpiece, we need to locate and clamped on the machine used to complete the workpiece clamping technology and equipment is the most widely used in various types of machine "Machine jig" Our production and R & D is to let the jig fixture has the following advantages: To easy to operate, safe, high-quality, holding stability, improve work efficiency, reduce the workload of workers, human-machine win-win situation, so that a substantial increase in economic benefits and create wealth for the country.

In addition, also designed a special fixture and special lathe drilling jig.

Keywords：Process design; casing clamp; efficiency; economic benefit; wealth

目    录

摘要……………………………………………………………Ⅰ

Abstract…………………………………………………………Ⅱ

目录…………………………………………………………………Ⅲ

1 绪论………………………………………………………………………1

1.1 课题的提出原因………………………………………………………1

1.2 课题的主要内容………………………………………………………4

1.3 课题的构思……………………………………………………………………4

2 零件图工艺性分析……………………………………………………5

2.1 零件结构功用分析…………………………………………………5

2.2 零件图纸分析………………………………………………………5

2.3 主要技术条件………………………………………………………6

3 机械加工工艺规程设计………………………………………………7

3.1 毛坯选择…………………………………………………………7

3.2 毛坯余量确定………………………………………………………7

3.3 毛坯-零件草图……………………………………………………7

3.4 刀具类型的确定…………………………………………………8

3.4.1 刀具设计参数确定……………………………………………………8

3.5 刀具工作草图………………………………………………………9

3.6  量具类型的确定…………………………………………………………10

3.6.1  极限量具尺寸公差确定………………………………………………………10

3.6.2  极限量具尺寸公差带图………………………………………………………10

3.6.3  极限量具结构设计……………………………………………………………10

4  机械工艺路线确定………………………………………………………………13

4.1  定位基准的选择…………………………………………………………13

4.1.1  精基准的选择………………………………………………………………13

4.1.2  粗基准的选择……………………………………………………………13

4.2  加工顺序的安排……………………………………………………………13

4.3  段的划分说明………………………………………………………………13

4.4  加工工序简图…………………………………………………………………13

4.5  工序尺寸及公差确定…………………………………………………………18

4.6  设备及其工艺装备确定…………………………………………………………19

4.7  切削用量及工时定额确定………………………………………………………19

4.8  工序尺寸精度分析……………………………………………………………24

4.9  定位方案和定位元件的确定……………………………………………………24

5  夹具元件的确定……………………………………………………………26

5.1  定位误差分析计算…………………………………………………………26

5.2  夹紧方案及元件确定…………………………………………………………27

5.3  夹具总装草图…………………………………………………………………28

参考文献……………………………………………………………………………28

致谢………………………………………………………………………………30