摘要
本文是对拔叉零件加工应用及加工的工艺性分析,主要包括对零件图的分析、毛坯的选择、零件的装夹、工艺路线的制订、刀具的选择、切削用量的确定、加工工艺文件的填写。选择正确的加工方法,设计合理的加工工艺过程。此外还对拔叉零件的两道工序的加工设计了专用夹具.
机床夹具的种类很多,其中,使用范围最广的通用夹具,规格尺寸多已标准化,并且有专业的工厂进行生产。而广泛用于批量生产,专为某工件加工工序服务的专用夹具,则需要各制造厂根据工件加工工艺自行设计制造。本夹具设计的主要内容是设计2套夹具。
关键词:加工工艺;加工方法;工艺文件;夹具
Abstract
This paper is the a
nalysis of process of the fork parts processi
ng applicatio
n a
nd processi
ng, i
ncludi
ng the parts of the a
nalysis, the choice of bla
nk, the clampi
ng, the formulatio
n process route, tool selectio
n, cutti
ng dosage, process docume
nts. Choose the correct methods for processi
ng, ma
nufacturi
ng process desig
n. I
n additio
n also two processes of fork parts desig
n special fixture. Ma
ny types of machi
ne tool fixture,wherei
n, the use scope broadest ge
neral jig, sizes have bee
n sta
ndardized, a
nd has a professio
nal productio
n pla
nt. Butwidely uses i
n thevolume productio
n, special fixture desig
ned for aworkpiece processi
ng services, requires the factory accordi
ng to theworkpiece processi
ng tech
nology to desig
n a
nd ma
nufacture. The mai
n co
nte
nt of this thesis is to desig
n 2 sets of fixture desig
n fixture. Keywords: processi
ng; processi
ng method; process docume
nts; fixture 目录 第一章前言5 第二章零件的分析6 2.1零件的作用6 2.2零件的工艺分析6 第三章工艺规程设计8 3.1加工工艺过程8 3.2确定各表面加工方案8 3.3确定定位基准8 3.3.1粗基准的选择8 3.3.2精基准选择的原则8 3.4制定工艺路线9 3.5机械加工余量、工序尺寸及毛皮尺寸的确定10 3.6确立切削用量及基本工时12 第四章ca6140拨叉铣16槽夹具设计18 4.1研究原始质料18 4.2定位基准的选择18 4.3切削力及夹紧分析计算18 4.4误差分析与计算19 4.5零、部件的设计与选用20 4.5.1定位销选用20 4.5.2夹紧装置的选用21 4.5.3定向键与对刀装置设计21 4.6夹具设计及操作的简要说明21 总结23 参考文献24
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nalysis of process of the fork parts processi
ng applicatio
n a
nd processi
ng, i
ncludi
ng the parts of the a
nalysis, the choice of bla
nk, the clampi
ng, the formulatio
n process route, tool selectio
n, cutti
ng dosage, process docume
nts. Choose the correct methods for processi
ng, ma
nufacturi
ng process desig
n. I
n additio
n also two processes of fork parts desig
n special fixture. Ma
ny types of machi
ne tool fixture,wherei
n, the use scope broadest ge
neral jig, sizes have bee
n sta
ndardized, a
nd has a professio
nal productio
n pla
nt. Butwidely uses i
n thevolume productio
n, special fixture desig
ned for aworkpiece processi
ng services, requires the factory accordi
ng to theworkpiece processi
ng tech
nology to desig
n a
nd ma
nufacture. The mai
n co
nte
nt of this thesis is to desig
n 2 sets of fixture desig
n fixture. Keywords: processi
ng; processi
ng method; process docume
nts; fixture 目录 第一章前言5 第二章零件的分析6 2.1零件的作用6 2.2零件的工艺分析6 第三章工艺规程设计8 3.1加工工艺过程8 3.2确定各表面加工方案8 3.3确定定位基准8 3.3.1粗基准的选择8 3.3.2精基准选择的原则8 3.4制定工艺路线9 3.5机械加工余量、工序尺寸及毛皮尺寸的确定10 3.6确立切削用量及基本工时12 第四章ca6140拨叉铣16槽夹具设计18 4.1研究原始质料18 4.2定位基准的选择18 4.3切削力及夹紧分析计算18 4.4误差分析与计算19 4.5零、部件的设计与选用20 4.5.1定位销选用20 4.5.2夹紧装置的选用21 4.5.3定向键与对刀装置设计21 4.6夹具设计及操作的简要说明21 总结23 参考文献24
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201168
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