法兰盘加工工艺及钻6-Φ7孔夹具设计
摘要
本文是对法兰盘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。此外还对填料箱盖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钻孔夹具。
关键词:法兰盘,加工工艺,加工方法,工艺文件,夹具
Abstract
This paper is o
n the bracket parts processi
ng applicatio
n a
nd processi
ng tech
nology a
nd a
nalysis, i
ncludi
ng the parts of the pla
n, the choice of bla
nk, the clampi
ng, the craft route maki
ng, tool selectio
n, the determi
natio
n of cutti
ng co
nditio
ns, processi
ng docume
nts. Choose the correct processi
ng methods, desig
n the reaso
nable process. I
n additio
n to the stuffi
ng box cover part two process desig
ni
ng special fixture. Machi
ne tool fixture of ma
ny ki
nds, amo
ng them, the mostwidely used commo
n fixture, size specificatio
ns have bee
n sta
ndardized, a
nd a professio
nal productio
n pla
nt. Whilewidely used i
n batch productio
n, specially for aworkpiece processi
ng services for the fixture, it
needs each factory accordi
ng toworkpiece machi
ni
ng tech
nology to desig
n a
nd ma
nufacture. I
n this paper, fixture desig
n are the mai
n co
nte
nts of desig
n of fixture for gri
ndi
ng ce
nter. Keywords: scaffold, processi
ng tech
nology, processi
ng method, process docume
ntatio
n, fixture 目录 摘要2 Abstract 3 目录4 1绪论6 2零件的分析5 2.1零件的工艺分析5 2.2零件的工艺要求5 3工艺规程设计6 3.1加工工艺过程6 3.2确定各表面加工方案6 3.2.1考虑因素7 3.2.2加工方案的选择7 3.3确定定位基准7 3.3.1粗基准的选择7 3.3.2精基准选择的原则8 3.4工艺路线的拟订8 3.4.1工序的合理组合8 3.4.2工序的集中与分散9 3.4.3加工阶段的划分10 3.4.4加工工艺路线方案的比较11 3.5零件的偏差,加工余量,工序尺寸及毛坯尺寸的确定13 3.5.1毛坯的结构工艺要求13 3.5.2零件的偏差计算13 3.6确定切削用量及基本工时(机动时间) 14 4钻6-Φ7孔专用夹具设计23 4.1问题的指出23 4.2定位基准的选择23 4.3夹具方案的设计23 4.4.切削力和夹紧力计算24 4.5夹紧力的计算24 4.6定位误差分析25 4.7零、部件的设计与选用26 4.8确定夹具体结构尺寸和总体结构28 总结29 参考文献31 致谢32
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n the bracket parts processi
ng applicatio
n a
nd processi
ng tech
nology a
nd a
nalysis, i
ncludi
ng the parts of the pla
n, the choice of bla
nk, the clampi
ng, the craft route maki
ng, tool selectio
n, the determi
natio
n of cutti
ng co
nditio
ns, processi
ng docume
nts. Choose the correct processi
ng methods, desig
n the reaso
nable process. I
n additio
n to the stuffi
ng box cover part two process desig
ni
ng special fixture. Machi
ne tool fixture of ma
ny ki
nds, amo
ng them, the mostwidely used commo
n fixture, size specificatio
ns have bee
n sta
ndardized, a
nd a professio
nal productio
n pla
nt. Whilewidely used i
n batch productio
n, specially for aworkpiece processi
ng services for the fixture, it
needs each factory accordi
ng toworkpiece machi
ni
ng tech
nology to desig
n a
nd ma
nufacture. I
n this paper, fixture desig
n are the mai
n co
nte
nts of desig
n of fixture for gri
ndi
ng ce
nter. Keywords: scaffold, processi
ng tech
nology, processi
ng method, process docume
ntatio
n, fixture 目录 摘要2 Abstract 3 目录4 1绪论6 2零件的分析5 2.1零件的工艺分析5 2.2零件的工艺要求5 3工艺规程设计6 3.1加工工艺过程6 3.2确定各表面加工方案6 3.2.1考虑因素7 3.2.2加工方案的选择7 3.3确定定位基准7 3.3.1粗基准的选择7 3.3.2精基准选择的原则8 3.4工艺路线的拟订8 3.4.1工序的合理组合8 3.4.2工序的集中与分散9 3.4.3加工阶段的划分10 3.4.4加工工艺路线方案的比较11 3.5零件的偏差,加工余量,工序尺寸及毛坯尺寸的确定13 3.5.1毛坯的结构工艺要求13 3.5.2零件的偏差计算13 3.6确定切削用量及基本工时(机动时间) 14 4钻6-Φ7孔专用夹具设计23 4.1问题的指出23 4.2定位基准的选择23 4.3夹具方案的设计23 4.4.切削力和夹紧力计算24 4.5夹紧力的计算24 4.6定位误差分析25 4.7零、部件的设计与选用26 4.8确定夹具体结构尺寸和总体结构28 总结29 参考文献31 致谢32
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