1、 I SDQSDQ- -16/16016/160 手动剪扩钳剪头的工艺设计手动剪扩钳剪头的工艺设计 院 系 机电工程学院 专 业 机械设计制造及其自动化 班 级 学 号 姓 名 指导教师 负责教师 II 摘摘 要要 本说明书是为 SDQ16/160 手动剪扩器的工艺规程及专用夹具的设计而编写的。 它论证了手动剪扩器工艺规程及工装设计方案的合理性和正确性，符合优质、高产 和低成本的总体要求。 本次设计的主要内容由工艺规程说明和夹具设计两部分组成。第一 部分为工艺规程的编制和说明，在这部分中，首先介绍了材料和毛坯的选择，接着 进行了零件的工艺性分析。重要表面的工序安排及工艺路线的确定，然后进行了定
2、 位基准的选择等。第二部分为专用夹具的设计，其中包括铣床夹具和钻床夹具。在 这部分里，作者对夹具的定位零件夹紧机构及加工误差做了说明。 关键词：定位基准；工艺规程；钻床夹具；铣床夹具； III Abstract This statement is to expand SDQ-16/160 browser scissors cut manually process the first order and a dedicated fixtures design and preparation. It demonstrates the expansion device manually cut an
3、d Tooling process design and correctness of the reasonable of consistent with the high quality、 high efficiency and low cost of the overall requirements. The main element of the design point of order by the process description and furniture design and the composition of two parts. Firstly, the desig
4、n and discussion of the process planning are based on analysis of machining character of the part, the choice of the material and the blank, the technology of the work piece, the selection of the major surface, the decision of technological route and choice of the locational module etc. Secondly, the special jigs are designed, which consist of a thread jig of milling and jigs of turning. In this part, the components of fixed position and the tolerance of the jigs are analyzed. Keywor
