机械毕业设计（论文）-高速齿轮轴的工艺规程及铣键槽的工装夹具设计【全套图纸】4.pdfVIP

程设计说明书 题目：高速齿轮轴零件的工艺规程及铣键槽 的工装夹具设计 学 生： 学 号： 专 业： 班 级： 指导老师： 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。 高速齿轮轴加工工艺规程及其铣键槽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， 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。 全套图纸，加153893706 ABSTRCT This design content has involved the machine manufacture craft and the engine bed j ig 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 ￠ 140 hole ji g 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 ji g 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; Positio