设计简介
题目: 减速器箱体零件的工艺设计及其加工
72H7孔的夹具设计。
摘 要
设计机床气动夹具主要体现我们综合运用所学知识的能力和介绍气动夹具在机械加工中的作用和效率，减速器箱体零件的工艺设计及其加工Ø72H7孔的夹具设计夹具的设计过程。
夹具与机床的结合，夹具作为机床的一部分，成为机械加工中不可缺少的工艺装备。用夹具装夹工件可以保证加工精度，降低人工等级，提高劳动生产率和降低加工成本，扩大机床工艺范围等作用，使得操作方便、安全。
本文首先介绍了夹具的研究背景和被加工零件的材料.作用.和其一些特殊部位进行认真的分析，通过对参考文献进详细的分析，阐述了机械夹具的作用及相关内容；在技术路线中，论述了定位方案的最优化选取，夹紧力的计算及螺杆直径..压板.推杆.镗套.气缸.定位销及整体夹具体的确定，定位精度的分析；犁刀变速齿轮箱体上工艺孔的设置及计算；夹具总图上尺寸，公差及技术要求的。其他主要介绍了铣面，钻孔，镗孔的工艺设计和制作
关键词 镗套 ，夹具，定位，夹紧，气缸，
ABSTRCT
Machine pneumatic fixture design is mainly reflected by the integrated use of our knowledge and the ability to introduce pneumatic fixture in the machinery(在机械) for processing and efficiency, reducer box parts of the design and processing of the D-72H - è fixture design process
Machine fixture with a combination fixture as a machine part machining become an indispensable technique and equipment. Fixture fixture with the workpiece machining accuracy can be guaranteed to reduce artificial hierarchy, raise labor productivity and reduce processing costs, Machine Technology to expand the scope of the role, the operation is convenient and safe.
This paper introduces the background of the fixture and the workpiece material,role. and some of its special position seriously analysis of references into a detailed analysis of the mechanical fixture expounded the role and content; Technically, discussed the positioning of the optimization program selection, Clamping force and screw diameter .. platen. Pusher. Boring presentation. Cylinder. pin and the overall identified specific folder, positioning accuracy of the analysis; Transmission gear box on a coulter-setting process and calculation; Fixture total map size, Tolerance and technical requirements of the tagging; workpiece machining accuracy analysis. Thesis Writing for the establishment of a schedule for future design work as a guide
Keywords: Boring sets Fixture Positioning Clamping Cylinder
目 录
中文摘…………………………………………………………………………………2
英文摘要………………………………………………………………………………3
前言………………………………………………………………………………… 5
第一章 零件的分析
1.1零件的作用……………………………………………………………… 6
1.2零件的工艺分析………………………………………………………… 6
第二章 工艺规程设计…………………………………………………………… 7
2.1确定毛坯的制造形式…………………………………………………… 7
2.2基面的选择……………………………………………………………… 8
2.3制定工艺路线…………………………………………………………… 8
2.4机械加工余量、工序尺寸的确定……………………………………… 12
2.5确立切削用量及基本工时……………………………………………… 17
第三章 夹具设计…………………………………………………………………22
3.1 问题的提出………………………………………………………………22
3.2 夹具设计……………………………………………………………… 22
3.3 夹紧装置的组成及设计要求………………………………………… 28
3.4镗模导向装置的设计…………………………………………………… 29
3.5 夹具结构设计……………………………………………………………29
第四章 总结…………………………………………………………………… 32
参考文献………………………………………………………………………… 34
72H7孔的夹具设计。摘 要
设计机床气动夹具主要体现我们综合运用所学知识的能力和介绍气动夹具在机械加工中的作用和效率，减速器箱体零件的工艺设计及其加工Ø72H7孔的夹具设计夹具的设计过程。
夹具与机床的结合，夹具作为机床的一部分，成为机械加工中不可缺少的工艺装备。用夹具装夹工件可以保证加工精度，降低人工等级，提高劳动生产率和降低加工成本，扩大机床工艺范围等作用，使得操作方便、安全。
本文首先介绍了夹具的研究背景和被加工零件的材料.作用.和其一些特殊部位进行认真的分析，通过对参考文献进详细的分析，阐述了机械夹具的作用及相关内容；在技术路线中，论述了定位方案的最优化选取，夹紧力的计算及螺杆直径..压板.推杆.镗套.气缸.定位销及整体夹具体的确定，定位精度的分析；犁刀变速齿轮箱体上工艺孔的设置及计算；夹具总图上尺寸，公差及技术要求的。其他主要介绍了铣面，钻孔，镗孔的工艺设计和制作
关键词 镗套 ，夹具，定位，夹紧，气缸，
ABSTRCT
Machine pneumatic fixture design is mainly reflected by the integrated use of our knowledge and the ability to introduce pneumatic fixture in the machinery(在机械) for processing and efficiency, reducer box parts of the design and processing of the D-72H - è fixture design process
Machine fixture with a combination fixture as a machine part machining become an indispensable technique and equipment. Fixture fixture with the workpiece machining accuracy can be guaranteed to reduce artificial hierarchy, raise labor productivity and reduce processing costs, Machine Technology to expand the scope of the role, the operation is convenient and safe.
This paper introduces the background of the fixture and the workpiece material,role. and some of its special position seriously analysis of references into a detailed analysis of the mechanical fixture expounded the role and content; Technically, discussed the positioning of the optimization program selection, Clamping force and screw diameter .. platen. Pusher. Boring presentation. Cylinder. pin and the overall identified specific folder, positioning accuracy of the analysis; Transmission gear box on a coulter-setting process and calculation; Fixture total map size, Tolerance and technical requirements of the tagging; workpiece machining accuracy analysis. Thesis Writing for the establishment of a schedule for future design work as a guide
Keywords: Boring sets Fixture Positioning Clamping Cylinder
目 录
中文摘…………………………………………………………………………………2
英文摘要………………………………………………………………………………3
前言………………………………………………………………………………… 5
第一章 零件的分析
1.1零件的作用……………………………………………………………… 6
1.2零件的工艺分析………………………………………………………… 6
第二章 工艺规程设计…………………………………………………………… 7
2.1确定毛坯的制造形式…………………………………………………… 7
2.2基面的选择……………………………………………………………… 8
2.3制定工艺路线…………………………………………………………… 8
2.4机械加工余量、工序尺寸的确定……………………………………… 12
2.5确立切削用量及基本工时……………………………………………… 17
第三章 夹具设计…………………………………………………………………22
3.1 问题的提出………………………………………………………………22
3.2 夹具设计……………………………………………………………… 22
3.3 夹紧装置的组成及设计要求………………………………………… 28
3.4镗模导向装置的设计…………………………………………………… 29
3.5 夹具结构设计……………………………………………………………29
第四章 总结…………………………………………………………………… 32
参考文献………………………………………………………………………… 34
