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阀体零件加工工艺规程及钻攻M6孔夹具设计

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阀体零件加工工艺规程及钻攻M6孔夹具设计

00零件尺寸

摘要

本次设计内容涉及了机械制造工艺及机床夹具设计、金属切削机床、公差配合与测量等多方面的知识。
阀体加工工艺规程及其铣端面的工装的夹具设计是包括零件加工的工艺设计、工序设计以及专用夹具的设计三部分。在工艺设计中要首先对零件进行分析,了解零件的工艺再设计出毛坯的结构,并选择好零件的加工基准,设计出零件的工艺路线;接着对零件各个工步的工序进行尺寸计算,关键是决定出各个工序的工艺装备及切削用量;然后进行专用夹具的设计,选择设计出夹具的各个组成部件,如定位元件、夹紧元件、引导元件、夹具体与机床的连接部件以及其它部件;计算出夹具定位时产生的定位误差,分析夹具结构的合理性与不足之处,并在以后设计中注意改进。

关键词:工艺、工序、切削用量、夹紧、定位、误差。

ABSTRCT

This design content has involved the machine manufacture craft and the engine bed jig design, the metal-cutting machine tool, the common difference coordination and the survey and so on the various knowledge.
The reduction gear box body components technological process and its the processing hole jig design is includes the components processing the technological design, the working procedure design as well as the unit clamp design three parts. Must first carry on the analysis in the technological design to the components, understood the components the craft redesigns the semi finished materials the structure, and chooses the good components the processing datum, designs the components the craft route; After that is carrying on the size computation to a components each labor step of working procedure, the key is decides each working procedure the craft equipment and the cutting specifications; Then carries on the unit clamp the design, the choice designs the jig each composition part, like locates the part, clamps the part, guides the part, to clamp concrete and the engine bed connection part as well as other parts; Position error which calculates the jig locates when produces, analyzes the jig structure the rationality and the deficiency, and will design in later pays attention to the improvement.
Keywords: The craft, the working procedure, the cutting specifications, clamp, the localization, the error

目录
ABSTRCT 3
序言1
一零件的分析2
1.1零件的作用2
1.2零件的工艺分析2
二.毛坯的确定4
2.1确定毛坯的制造形式4
2.2毛坯形状及尺寸5
三拟定加工工艺路线6
3.1基准的选择6
3.1.2粗基准选择6
3.1.2精基准的选择7
3.2制定工艺路线8
四零件加工工序设计11
4.1铣Φ62下端面11
4.4车Φ25. Φ28,Φ34螺纹底孔12
4.2铣Φ78右端面13
4.3钻Φ20孔14
4.5钻Φ62下端面4-M6螺纹孔15
4.6钻Φ78右端面上4-Φ9孔16
五、夹具设计17
5.1问题的提出17
5.2定位基准的选择17
5.3切削力及夹紧力计算18
5.4定位误差分析19
5.5导向装置的设计19
5.6夹具设计及操作简要说明22
总结24
致谢26
参考文献27

夹具装配图

夹具装配图

夹具体

夹具体

零件图

零件图

钻模板

钻模板

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