减速箱体的精铣235mm端面夹具设计及加工工艺含非标5张CAD图+说明书
摘要 本次设计内容涉及了机械制造工艺及机床夹具设计、金属切削机床、公差配合与测量等多方面的知识。 减速箱体加工工艺规程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。 ABSTRCT This desig
n co
nte
nt has i
nvolved the machi
ne ma
nufacture craft a
nd the e
ngi
ne bed jig desig
n, the metal-cutti
ng machi
ne tool, the commo
n differe
nce coordi
natio
n a
nd the survey a
nd so o
n the various k
nowledge. The reductio
n gear box body compo
ne
nts tech
nological process a
nd its the processi
ng hole jig desig
n is i
ncludes the compo
ne
nts processi
ng the tech
nological desig
n, the worki
ng procedure desig
n as well as the u
nit clamp desig
n three parts. Must first carry o
n the a
nalysis i
n the tech
nological desig
n to the compo
ne
nts, u
nderstood the compo
ne
nts the craft redesig
ns the semi fi
nished materials the structure, a
nd chooses the good compo
ne
nts the processi
ng datum, desig
ns the compo
ne
nts the craft route; After that is carryi
ng o
n the size computatio
n to a compo
ne
nts each labor step of worki
ng procedure, the key is decides each worki
ng procedure the craft equipme
nt a
nd the cutti
ng specificatio
ns; The
n carries o
n the u
nit clamp the desig
n, the choice desig
ns the jig each compositio
n part, like locates the part, clamps the part, guides the part, to clamp co
ncrete a
nd the e
ngi
ne bed co
n
nectio
n part as well as other parts; Positio
n error which calculates the jig locates whe
n produces, a
nalyzes the jig structure the ratio
nality a
nd the deficie
ncy, a
nd will desig
n i
n later pays atte
ntio
n to the improveme
nt. Keywords: The craft, the worki
ng procedure, the cutti
ng specificatio
ns, clamp, the localizatio
n, the error 目录 摘要1 ABSTRCT 2 序言1 一零件分析2 1.1零件的作用2 1.2零件的工艺分析2 二工艺规程设计4 2.1确定毛坯的制造形式4 2.2基面的选择4 2.3制定工艺线路5 2.4确定切削用量7 三夹具设计19 3.1问题的提出19 3.2定位基准的选择19 3.3切削力及夹紧力的计算19 3.4定位误差分析21 3.5夹具设计及操作的简要说明22 总结23 致谢24
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