杠杆零件的机械加工工艺规程及铣36的内槽夹具设计
摘要
杠杆零件加工工艺及夹具设计是包括零件加工的工艺设计、工序设计以及专用夹具的设计三部分。在工艺设计中要首先对零件进行分析,了解零件的工艺再设计出毛坯的结构,并选择好零件的加工基准,设计出零件的工艺路线;接着对零件各个工步的工序进行尺寸计算,关键是决定出各个工序的工艺装备及切削用量;然后进行专用夹具的设计,选择设计出夹具的各个组成部件,如定位元件、夹紧元件、引导元件、夹具体与机床的连接部件以及其它部件;计算出夹具定位时产生的定位误差,分析夹具结构的合理性与不足之处,并在以后设计中注意改进。
关键词:工艺,工序,切削用量,夹紧,定位,误差
Abstract
Hub parts processi
ng a
nd lathe fixture desig
n process desig
n, i
ncludi
ng machi
ni
ng process desig
n a
nd fixture three. I
n process desig
n should first of all parts for a
nalysis, to u
ndersta
nd part of the process to desig
n bla
nk structure, a
nd choose the good parts machi
ni
ng datum, desig
n the process routes of the parts; the
n the parts of each step i
n the process to the size calculatio
n, the key is to determi
ne the craft equipme
nt a
nd the cutti
ng dosage of eachworki
ng procedure desig
n; the
n the special fixture, the fixture for thevarious compo
ne
nts of the desig
n, such as the co
n
necti
ng part positio
ni
ng devices, clampi
ng eleme
nt, a guide eleme
nt, fixture a
nd machi
ne tools a
nd other compo
ne
nts; positio
ni
ng error calculated by the a
nalysis of fixture, jig structure the ratio
nality a
nd the deficie
ncy, pay atte
ntio
n to improvi
ng a
ndwill desig
n i
n. Keywords: process, process, cutti
ng dosage, clampi
ng, positio
ni
ng 目录 摘要II Abstract III 目录IV 第1章序言1 第2章零件的分析2 2.1零件的形状2 2.2零件的工艺分析2 第3章工艺规程设计3 3.1确定毛坯的制造形式3 3.2基面的选择3 3.3制定工艺路线4 3.3.1工艺路线方案一4 3.3.2工艺路线方案二4 3.3.3工艺方案的比较与分析5 3.4选择加工设备和工艺装备6 3.4.1机床选用6 3.4.2选择刀具6 3.4.3选择量具6 3.5机械加工余量、工序尺寸及毛坯尺寸的确定7 3.6确定切削用量及基本工时8 第4章铣36的内槽夹具设计20 4.1指出存在的问题20 4.2夹具设计20 4.2.1夹具体设计20 4.2.2定位基准的选择20 4.2.3定位方案和元件设计21 4.2.4定位误差的计算21 4.2.5夹紧力计算22 4.2.6夹紧机构的设计24 4.2.7定向键与对刀装置设计24 4.2.8确定夹具体结构尺寸和总体结构26 4.2.9夹具设计及操作的简要说明28 总结29 致谢30 参考文献31
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ng a
nd lathe fixture desig
n process desig
n, i
ncludi
ng machi
ni
ng process desig
n a
nd fixture three. I
n process desig
n should first of all parts for a
nalysis, to u
ndersta
nd part of the process to desig
n bla
nk structure, a
nd choose the good parts machi
ni
ng datum, desig
n the process routes of the parts; the
n the parts of each step i
n the process to the size calculatio
n, the key is to determi
ne the craft equipme
nt a
nd the cutti
ng dosage of eachworki
ng procedure desig
n; the
n the special fixture, the fixture for thevarious compo
ne
nts of the desig
n, such as the co
n
necti
ng part positio
ni
ng devices, clampi
ng eleme
nt, a guide eleme
nt, fixture a
nd machi
ne tools a
nd other compo
ne
nts; positio
ni
ng error calculated by the a
nalysis of fixture, jig structure the ratio
nality a
nd the deficie
ncy, pay atte
ntio
n to improvi
ng a
ndwill desig
n i
n. Keywords: process, process, cutti
ng dosage, clampi
ng, positio
ni
ng 目录 摘要II Abstract III 目录IV 第1章序言1 第2章零件的分析2 2.1零件的形状2 2.2零件的工艺分析2 第3章工艺规程设计3 3.1确定毛坯的制造形式3 3.2基面的选择3 3.3制定工艺路线4 3.3.1工艺路线方案一4 3.3.2工艺路线方案二4 3.3.3工艺方案的比较与分析5 3.4选择加工设备和工艺装备6 3.4.1机床选用6 3.4.2选择刀具6 3.4.3选择量具6 3.5机械加工余量、工序尺寸及毛坯尺寸的确定7 3.6确定切削用量及基本工时8 第4章铣36的内槽夹具设计20 4.1指出存在的问题20 4.2夹具设计20 4.2.1夹具体设计20 4.2.2定位基准的选择20 4.2.3定位方案和元件设计21 4.2.4定位误差的计算21 4.2.5夹紧力计算22 4.2.6夹紧机构的设计24 4.2.7定向键与对刀装置设计24 4.2.8确定夹具体结构尺寸和总体结构26 4.2.9夹具设计及操作的简要说明28 总结29 致谢30 参考文献31
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