毕业设计----箱体加工工艺、工装及组合镗头设计

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1、毕业设计 I 摘要 箱体零件是机器及部件的基础件，它将机器及部件中的轴、轴承 和齿轮等零件按一定的相互位置关系装配成一个整体，并按预定传动 关系协调其运动。箱体的装配基准面与加工中的定位基准面应有一定 的平面度和表面粗糙度要求；各支承孔与装配基准面之间应有一定距 离尺寸精度的要求。其中设计专用夹具和组合镗头的应用进一步提高 箱体的加工精度和效率。 关键词：箱体，加工工艺，组合镗头。 毕业设计 II Box body processing craft, work clothes and combination boring head design Abstract: That the box e

2、xperiences and observes a part is a machine and the component basis document , it assembles parts such as axis , axle bearing and gear wheel in machine and component according to certain mutual location relation ready-made a overall , the person moves and according to the harmonious relations fixing

3、 drive in advance. Assembling base level and the base level fixing position in processing of the box body should have the certain flat surface degree and surface harshness request; Every holds a hole and assembles the request should have certain distance dimension accuracy between base level. The de

4、sign combination boring head is for enhances the box body the processing precision and the efficiency. Keywords: Box body, Process handicraft , process the route , Combination boring head。 毕业设计 III 目录 1. 箱体类零件功用、结构特点和技术要求 - - 1 1 - - 1.1. 箱体零件的功用 . - 1 - 1.2. 箱体类零件的技术要求. - 1 - 1.3. 箱体类零件的材料和毛坯 - 1 - 2. 零件的分析 - - 1 1 - - 2.1. 工艺规程设计 . - 2 - 2.2. 制定工艺路线 . - 3 - 2.3. 确定切削用量及基本工时 - 6 - 3.3. 夹具的设计 - - 13 13 - - 3.1. 问题的提出 - 13 - 3.2. 夹具设计 - 14 - 4. 组合镗头设计 - - 16 16 - - 5. 总结. . 错误!未定义书签。 6. 参考文献