减速器箱体箱盖加工工艺及夹具设计.docx

. 攀枝花学院本科毕业设计 减速器箱体箱盖 加工工艺及其工装设计 学生姓名： 学生学号： 院（系）： 年级专业: 指导教师： 助理指导教师： 二〇一六年五月 摘 要 通过该型减速器箱体箱盖零件进行了结构分析，结合实际的加工装备对其进行工艺设计，确定了零件的毛坯材料、尺寸、定位基准、加工内容和工艺流程，拟定了加工工艺路线。对零件的公差、加工余量和切削用量及基本工时定额等工艺参数进行了选择与计算，完成了对箱体箱盖零件的加工工艺设计，详细编制了工艺规程卡。针对铣减速器箱体结合面和镗减速器轴承孔两工序，进行了切削力、夹紧力、夹具的定位误差和精度的分析与计算，完成了两道工序的工装夹具设计，绘制了铣减速器箱盖结合面夹具和镗减速器轴承孔夹具装配图与部分零件图。经校核验算所设计夹具满足要求。 关键词： 主减速器箱盖；主减速器箱体；工艺设计；工装设计 ABSTRACT According to the request of the topic, Have analysised the WD - 400 mining main reducer box cover parts of the structure ,determined the parts of the blank size, the locating datum, the processing content and processing combined with the actual processing equipment and processing route is worked out. Completed the calculation and selection of the tolerence of parts, machining allowance, cutting parameter and basic man-hour quota of process parameters, completed the processing technology design of cover parts as well as the the process card in detaile.Aim at the two process of milling and boring the reducer box combined surface bearing hole , and finished the analysis and calculation of the cutting force, clamping force, the fixture positioning error and precision , completed the design of tooling fixture , finished the assembling drawing of the tooling fixture of the milling and boring reducer box combined surface and comlieted some important part drawing at the same time.the fixture design meets the requirements after checking . Keywords The main reducer box cover，process design，equipment design，mechanical design 目 录 TOC \o 1-3 \h \u 摘 要 I ABSTRACT II 1 绪论 1 1.1 课题研究意义 1 1.2 箱体箱盖的国内外发展现状以及发展趋势 1 1.3研究内容以及研究方法 3 2 零件的结构分析与工艺规程的制定 4 2.1 箱体箱盖的结构工艺性分析 4 2.2 箱体箱盖的功能 5 2.3 箱体箱盖生产纲领及毛坯的确定 5 2.4定位基准的选取 6 2.5机床与工艺装备的选用 7 2.5.1 机床的选择 7 2.6 工艺路线的拟定 7 2.6.1箱体工艺路线的拟定 8 2.6.2箱盖工艺路线的拟定 11 2.7工艺参数的计算与分析 14 3 铣箱体结合面夹具的设计 30 3.1 问题的提出 30 3.2 确定定位方案以及