1、 毕业设计毕业设计 蜗轮蜗杆减速器箱体上盖结构设计、箱体 加工工艺规程制定及工艺装备设计 2 摘摘 要要 本设计的课题是减速箱箱体的上盖结构设计、箱体加工工艺规程制定 及工艺装备设计。该箱体零件结构复杂,且为大批量生产,为了提高生产 效率和降低劳动强度,专门设计了专用组合机床,专用夹具。本设计说明 书可分为四部分: 第一部分为箱体的上盖结构设计。在上盖结构设计中,考虑下箱体的 结构,合理选择上箱体结构尺寸、箱体壁厚、透视孔大小等。 第二部分为箱体机械加工工艺规程的制定。在制定工艺过程中,确定 各工序的安装工位和该工序需要的工步,加工该工序的机床及机床的进给 量,切削深度,主轴转速和切削速度,最
2、后计算该工序的基本时间,辅助 时间和工作地服务时间。 第三部分为组合机床设计组合镗床。更好的提高生产率,提高加 工精度,降低生产成本。 第四部分为专用夹具设计。专用夹具的使用能有效降低工作时劳动强 度、提高劳动生产率、并获得较高的加工精度。 关键词关键词:箱体 工艺 组合机床 夹具 3 AbstractAbstract This design is the subject of gearbox top cover structure design, the processing technological process formulation and process equipment de
3、sign. Replace parts of the complex structure, and mass production, in order to improve production efficiency and reduce labor intensity, specially designed for the special combined machine tool, fixture. The design specification can be divided into four parts: The first part set box cover structure
4、design, In the upper cover structure design, consider the box structure, reasonable selection box structure size, thickness of the box wall, hole size perspective. The second part is technical regulations of the mechanical processing.In the development process, determine the installation position of
5、 each process and the process need the labor step, feed, machine tools and machining of the processes of the cutting depth, spindle speed, and cutting speed, the basic time finally calculated the procedures, work time and support to business hours. The third part is the combination of machine tool d
6、esign - combination boring lathe. Better to increase productivity, improve processing accuracy, reduce production cost. The four part is the design of special fixture. The use of special fixture can reduce the work labor intensity, improve labor productivity, and obtain high machining accuracy. Keywords: box technology modular machine tool fixture 目录目录 4 第 1 章 概述 . 1 1.1.箱体的主要功能 . 1 1.2.箱体的分类 . 1 1.3 通用减速器的发展趋势 . 2 第 2 章 减速器箱体结构设计及要求. 3 2.1 减速器结构概述 . 3 2.2 设计的主要问题和设计要求 . 4 2.3 箱体结构设计 .