《蜗杆减速器机盖的加工工艺规程及钻夹具设计》毕业学术论文.doc

图书分类号： 密 级： 毕业设计(论文) 蜗杆减速器机盖的加工工艺规程及钻夹具设计 WORM REDUCER BOX BODYS PROCESSING TECHNOLOGICAL PROCESS AND JIG DESIGN 学生姓名 学院名称 机电工程学院 专业名称 机械设计制造及其自动化 指导教师 6月 2日 徐州工程学院毕业设计(论文) PAGE III 摘要 蜗杆减速器箱体零件是减速器箱体的一种。它把减速器箱体中的轴和齿轮等有关零件和机构联接为一整体，使这些零件和机构保持正确的相对位置，以便其上各个机构和零件能正确、协调一致地工作，减速器箱体的加工质量直接影响减速器的装配质量，进而影响机器的使用性能和寿命。 本课题要完成的内容有： （1）蜗杆减速器机盖的加工工艺设计 根据给定的生产纲领60000台/年和零件的结构特点及加工精度要求，制定工艺方案，进行工艺计算，绘制并填写加工工艺综合卡。 （2）钻孔专用夹具设计 根据该孔系的尺寸精度和位置精度的要求，确定定位基准和定位方式，设计夹紧机构、导向机构、绘制夹具总装图，并拆画夹具的主要零件图。 关键词：工艺；减速器；专用夹具 Abstract Worm reducer box bodys are one of reducer box bodys。It links relevant parts and organizations such as the axle in the gearbox and gear wheel as a whole , ake these parts and organizations keep the correct relative position, and then influence serviceability and life-span of the machine. The content that this subject should be finished is as follows: (1) Process technological design with worm reducer box bodys And structural characteristic and machining accuracy of part require according to designated production 60000 of guiding principle one year, make the craft scheme, carry on the craft to calculate, draw and fill in the comprehensive card of the preparation method. (2) The special-purpose jig of precise bore hole is designed According to the request of size precision that this hole is and precision of position, fix the basis of orienting and orient the way, design and clamp the organization , lead the organization , control system, draw the assembly of jig to pursue, dismantle the major part picture of the picture jig . Keyword: gear box reducer box unit clamp 徐州工程学院毕业设计(论文) PAGE 31 目 录 1绪论 …………………………………………………………………………………………… 1 1．1机床夹具的概述………………………………………………………………………… 1 1．1．1机床夹具的概述及其组成………………………………………………………… 1 1．1．2机床夹具的分类…………………………………………………………………… 1 1．1．3机床夹具的功用…………………………………………………………………… 2 1．2工件在夹具中的定位…………………………………………………………………… 2 1．2．1工件的装夹方法及获得尺寸精度的方法………………………………………… 3 1．2．2常用定位方法及其所用的定位元件……………………………………………… 3 1．3国外先进机床的夹具介绍……………