机械5

摘要 机械制造业是一个国家技术进步和社会发展的支柱产业之一，无论是传统产业，还是新兴产业，都离不开各式各样的机械装备。而加快产品上市的时间，提高质量，降低成本，加强服务是制造业追求的永恒主题。此篇主要内容是对精密主轴的加工工艺路线及工装夹具进行的研究、设计，其中包括了各道工序的加工方法，机床、刀具、夹具、辅具、量具的选择，基准面的选取，定位和夹紧方案的拟定；以及对零件中车、铣工序中所使用的夹具进行了研究设计。此次研究的主要内容在于如何使加工工序简单化、降低加工难度，从而达到提高产品加工效率，加快产品上市时间的目的。向着制造业所追求的主题进发！ 关键词：精密主轴加工工艺夹具工序 Abstract Machi
neryma
nufacturi
ng i
ndustryis o
ne of the pillar i
ndustries of
natio
nal tech
nological progress a
nd social developme
nt,both traditio
nal i
ndustries a
nd emergi
ng i
ndustries,are i
nseparable from avarietyof mecha
nical equipme
nt.A
nd accelerate the time to market,improve quality,reduce costs,stre
ngthe
n service is the eter
nal theme of the pursuit of ma
nufacturi
ng.The mai
n co
nte
nts of this thesis is the research a
nd desig
n of process route a
nd tech
nologyo
n precisio
n spi
ndle fixturewas carried out,i
ncludi
ng the processi
ng of a process,machi
ne tools,cutti
ng tools a
nd fixtures,assistive devices,measuri
ng choice,datum selectio
n,positio
ni
ng a
nd clampi
ng of programmi
ng; a
nd use of car parts,fixture the milli
ng process is studied i
n the desig
n.The mai
n co
nte
nt of this studyis howto simplifythe process a
nd reduce the difficultyof processi
ng,so as to achieve the purpose of improvi
ng the efficie
ncyof product processi
ng a
nd accelerati
ng the time to market.Towards the pursuit of the theme of ma
nufacturi
ng! Keywords: precisio
n spi
ndle,machi
ni
ng process,fixture,process 目录 摘要1 Abstract 2 第1章机床夹具简介1 1.1机床夹具的主要功能1 1.2机床夹具的组成1 1.3夹具设计的步骤和基本要求1 1.3.1夹具设计的基本要求1 1.3.2夹具的设计步骤2 1.3.3夹具总图上尺寸、公差与配合和技术条件的标注3 1.3.4夹具体设计5 第2章精密主轴的工艺分析8 2.2精密主轴的分析8 2.2毛坯的选择8 2.3基准的选择8 第3章工艺规程设计10 3.1加工余量的确定10 确定毛坯直径10 3.2制定工艺路线11 2.3工时的计算11 第4章铣床夹具设计32 4.1工件自由度分析32 4.2工件定位和夹紧方案的确定32 4.3定位误差的分析与计算32 4.3.1定位误差的分析32 4.3.2定位误差计算33 4.4夹紧力的确定34 4.5夹具整体结构说明36 总结37 参考文献38