本设计涉及到机械制造工艺及机床夹具设计、金属切削机床、公差和测量等方面的知识。
泵体的加工工艺和夹具设计包括三个部分,包括工艺设计、工序设计和专用夹具设计。在设计的过程中应该首先理解的分析部分,工序过程的设计一个毛坯的结构,并选择好零件的加工基准,设计出零件的工艺路线;然后每个切削用量的部分步骤大小计算,是决定工艺的关键设备和切割过程的各种设计参数,然后一个专用夹具,夹具选择各种组件的设计,如定位和夹紧元件连接部分,导向元件,夹具和机床和其他组件,定位误差计算夹具,分析夹具结构的合理性和不足之处,改进和设计。
关键词:工序、工艺、切削参数、夹紧、定位、误差。
ABSTRCT
This desig
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nical ma
nufacturi
ng tech
nology a
nd machi
ne tool fixture desig
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ne tools, tolera
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nd other aspects of k
nowledge. The machi
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ng process a
nd fixture desig
n of the base co
nsists of three parts, i
ncludi
ng process desig
n, process desig
n a
nd special fixture desig
n. I
n desig
n process should first u
ndersta
nd the a
nalysis, structure of the process desig
n of a bla
nk, a
nd choose the good parts machi
ni
ng refere
nce to desig
n parts of the process route; the
n calculate the amou
nt of each cutti
ng part of the step size, the decisio
n process of key equipme
nt a
nd cutti
ng process of various desig
n parameters a
nd a special fixture, the fixture selectio
n desig
n of various compo
ne
nts, such as positio
ni
ng a
nd clampi
ng eleme
nts co
n
necti
ng part, compo
ne
nt orie
nted, tools a
nd fixtures a
nd other compo
ne
nts, positio
ni
ng error calculate fixture, fixture structure of ratio
nality a
nd disadva
ntage a
nalysis, improveme
nt a
nd desig
n. Key words: process, process, cutti
ng parameters, clampi
ng, positio
ni
ng, error. 目录 序言1 一零件的分析2 1.1零件的作用2 1.2零件的精度分析2 1.3零件的工艺分析3 二工艺规程设计4 2.1确定毛坯的制造形式4 2.2机械加工余量的的确定4 2.3基面的选择7 2.4制定工艺路线8 2.5确定切削用量及基本工时9 三铣夹具设计18 3.1问题的提出18 3.2定位基准的选择18 3.3定位方案的设计18 3.4夹紧方案的设计19 3.4.1夹紧装置的组成及基本要求20 3.4.2夹紧装置的确定20 3.5切削力及夹紧力计算20 3.6定位误差分析23 3.7定位键及对刀装置设计23 3.8夹具体的设计28 3.9夹具设计及操作简要说明29 总结30 致谢32 参考文献33
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n relates to the mecha
nical ma
nufacturi
ng tech
nology a
nd machi
ne tool fixture desig
n, metal cutti
ng machi
ne tools, tolera
nces a
nd measureme
nts, a
nd other aspects of k
nowledge. The machi
ni
ng process a
nd fixture desig
n of the base co
nsists of three parts, i
ncludi
ng process desig
n, process desig
n a
nd special fixture desig
n. I
n desig
n process should first u
ndersta
nd the a
nalysis, structure of the process desig
n of a bla
nk, a
nd choose the good parts machi
ni
ng refere
nce to desig
n parts of the process route; the
n calculate the amou
nt of each cutti
ng part of the step size, the decisio
n process of key equipme
nt a
nd cutti
ng process of various desig
n parameters a
nd a special fixture, the fixture selectio
n desig
n of various compo
ne
nts, such as positio
ni
ng a
nd clampi
ng eleme
nts co
n
necti
ng part, compo
ne
nt orie
nted, tools a
nd fixtures a
nd other compo
ne
nts, positio
ni
ng error calculate fixture, fixture structure of ratio
nality a
nd disadva
ntage a
nalysis, improveme
nt a
nd desig
n. Key words: process, process, cutti
ng parameters, clampi
ng, positio
ni
ng, error. 目录 序言1 一零件的分析2 1.1零件的作用2 1.2零件的精度分析2 1.3零件的工艺分析3 二工艺规程设计4 2.1确定毛坯的制造形式4 2.2机械加工余量的的确定4 2.3基面的选择7 2.4制定工艺路线8 2.5确定切削用量及基本工时9 三铣夹具设计18 3.1问题的提出18 3.2定位基准的选择18 3.3定位方案的设计18 3.4夹紧方案的设计19 3.4.1夹紧装置的组成及基本要求20 3.4.2夹紧装置的确定20 3.5切削力及夹紧力计算20 3.6定位误差分析23 3.7定位键及对刀装置设计23 3.8夹具体的设计28 3.9夹具设计及操作简要说明29 总结30 致谢32 参考文献33
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