水泵叶轮机械加工工艺及夹具设计
摘要
水泵叶轮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
The fixture desig
n of a certai
n type of motor armature bracket parts processi
ng a
nd drilli
ng machi
ne is desig
n process desig
n,i
ncludi
ng the parts processi
ng process desig
n a
nd the three part special fixture.I
n the process of desig
n should first of all parts to a
nalyze,u
ndersta
nd parts of the process a
nd the
n desig
n a bla
nk structure,a
nd choose the good parts of the machi
ni
ng datum,desig
ns the process routes of the parts; the
n the parts each step process dime
nsio
n calculatio
n,the keyis to determi
ne the process equipme
nt a
nd cutti
ng the amou
nt of eachworki
ng procedure desig
n; the
n a special fixture,fixture for thevarious compo
ne
nts of a desig
n,such as the co
n
necti
ng part positio
ni
ng device,clampi
ng eleme
nt,a guide eleme
nt,clamp a
nd the machi
ne tool a
nd other compo
ne
nts; the positio
ni
ng error caused calculate fixturewhe
n positio
ni
ng,a
nalysis of the ratio
nalitya
nd deficie
ncyof fixture structure,payatte
ntio
n to improvi
ng a
ndwill desig
n i
n. Keywords: process,process,cutti
ng,clampi
ng,positio
ni
ng, 目录 摘要II Abstract III 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4 3.1确定毛坯的制造形式4 3.2基面的选择4 3.3制定工艺路线4 3.3.1工艺路线方案一5 3.3.2工艺路线方案二5 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章车床夹具的设计20 4.1 CA6140车夹具的设计20 4.1.1问题的提出20 4.2夹具设计20 4.3夹具的结构设计21 4.3.1定位元件的选用:21 4.3.2夹紧方案的选择21 4.3.3夹具体的设计22 4.3.4支架的设计:22 4.3.5夹紧元件结构:23 4.3.6夹具与工作台的联结方式:23 4.4夹具设计及操作的简要说明23 总结24 致谢25 参考文献26
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n of a certai
n type of motor armature bracket parts processi
ng a
nd drilli
ng machi
ne is desig
n process desig
n,i
ncludi
ng the parts processi
ng process desig
n a
nd the three part special fixture.I
n the process of desig
n should first of all parts to a
nalyze,u
ndersta
nd parts of the process a
nd the
n desig
n a bla
nk structure,a
nd choose the good parts of the machi
ni
ng datum,desig
ns the process routes of the parts; the
n the parts each step process dime
nsio
n calculatio
n,the keyis to determi
ne the process equipme
nt a
nd cutti
ng the amou
nt of eachworki
ng procedure desig
n; the
n a special fixture,fixture for thevarious compo
ne
nts of a desig
n,such as the co
n
necti
ng part positio
ni
ng device,clampi
ng eleme
nt,a guide eleme
nt,clamp a
nd the machi
ne tool a
nd other compo
ne
nts; the positio
ni
ng error caused calculate fixturewhe
n positio
ni
ng,a
nalysis of the ratio
nalitya
nd deficie
ncyof fixture structure,payatte
ntio
n to improvi
ng a
ndwill desig
n i
n. Keywords: process,process,cutti
ng,clampi
ng,positio
ni
ng, 目录 摘要II Abstract III 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4 3.1确定毛坯的制造形式4 3.2基面的选择4 3.3制定工艺路线4 3.3.1工艺路线方案一5 3.3.2工艺路线方案二5 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章车床夹具的设计20 4.1 CA6140车夹具的设计20 4.1.1问题的提出20 4.2夹具设计20 4.3夹具的结构设计21 4.3.1定位元件的选用:21 4.3.2夹紧方案的选择21 4.3.3夹具体的设计22 4.3.4支架的设计:22 4.3.5夹紧元件结构:23 4.3.6夹具与工作台的联结方式:23 4.4夹具设计及操作的简要说明23 总结24 致谢25 参考文献26
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