机械制造技术课程设计-阀体加工工艺及铣1槽夹具设计（全套图纸）.docVIP

PAGE PAGE 26毕业设计（论文）题 目阀体加工工艺及夹具设计所属系部机械工程系所属专业机械设计与制造所属班级 学 号学生姓名指导教师起讫日期摘 要本设计是基于阀体零件的加工工艺规程及一些工序的专用夹具设计。阀体零件的主要加工表面是平面及孔系。一般来说，保证平面的加工精度要比保证孔系的加工精度容易。因此，本设计遵循先面后孔的原则。适用于大批量、流水线上加工，能够满足设计要求。机械加工工艺是企业上品种、上质量、上水平，加速产品更新，提高经济效益的技术保障。然而夹具又是制造系统的重要部分，工艺对夹具的要求也会提高，专用夹具、成组夹具、组合夹具和随行夹具都朝着柔性化、自动化、标准化、通用化和高效化方向发展以满足加工要求。所以对机械的加工工艺及夹具设计具有十分重要的意义。关键词：阀体类零件；工艺；夹具；全套图纸，加153893706ABSTRACTThe design of special fixture for body parts processing technology and process design based on. The main processing surface of body parts is the plane and a series of hole. In general, to ensure the processing accuracy of plane than to guarantee the machining accuracy of the series of hole. Therefore, the design follows the principle of the surface after the first hole. Suitable for mass production line, processing, can meet the design requirements. The machining process is the enterprise on the variety, quality, level, accelerating the update of products, improve the economic benefits of the technology guarantee. However fixture is an important part of the manufacturing system, process requirements of the fixture will increase, special fixture, fixture, fixture and clamp are toward flexibility, automation, standardization, universal and efficient direction to meet the needs of processing. So it is of great significance to the processing technology and fixture design of machinery.Key words: body parts; technology; fixture;目 录 TOC \o 1-3 \u 摘 要 PAGEREF _Toc475389656 \h IIABSTRACT PAGEREF _Toc475389657 \h I第1章 绪论 PAGEREF _Toc475389658 \h 21.1.夹具简介 PAGEREF _Toc475389659 \h 21.2本次设计的内容 PAGEREF _Toc475389660 \h 31.3机床夹具的功能 PAGEREF _Toc475389661 \h 3第2章 加工工艺规程设计 PAGEREF _Toc475389662 \h 52.1 零件的分析 PAGEREF _Toc475389663 \h 52.1.1 零件的作用 PAGEREF _Toc475389664 \h 52.1.2 零件的工艺分析 PAGEREF _Toc475389665 \h 52.2 阀体加工的主要问题和工艺过程设计所应采取的相应措施 PAGEREF _Toc475389666 \h 62.2.1 孔和平面的加工顺序 PAGEREF _Toc475389667 \h 62.2.2 孔系加工方案选择 PAGEREF _Toc475389668 \h 62.3 阀体加工定位基准的选择 PAGEREF _Toc475389669 \h 6