推板零件的工艺规程及钻3-Φ10 孔的工装夹具设计毕业设计

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1、 设计说明书 题目：推板推板零件的工艺规程及零件的工艺规程及钻钻 3 3- -1 10 0（+0.0+0.04 4+ +0 0.01.01）孔的孔的工工 装夹具设计装夹具设计 学 生： 学 号： 专 业： 班 级： 指导老师： 摘摘 要要 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。 推板零件的加工工艺规程及其钻 3-10（+0.04+0.01）孔 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

2、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 machi

3、ne 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 140 hole jig design is includes the components processing the technological design, the working procedure design as well as

4、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; Af

5、ter 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 t

6、he 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 目目 录录 序言1 一. 零件分析 2