目录
摘要:...........................................................................................1
ABSTRACT:............................................................................2
一、零件的分析: 3
(一)确定生产类型: 4
(二)零件的作用: 4
(三)零件的工艺分析: 4
二、工艺规程的设计: 5
(一)确定毛坯的制造形式: 5
(二)基准的选择5
(三)制订工艺路线: 6
(四)机械加工余量、工序尺寸及毛坯尺寸的确定: 8
(五)确定切削用量及基本工时: 9
三、夹具设计: 23
(一)铣平面夹具设计: 23
(二)钻地面孔夹具设计: 26
四、总结: 28
摘要
机械加工工艺是实现产品设计,保证产品质量,节约能源,降低消耗的重要手段。本课题研究CA6140车床后托架加工工艺规程。首先通过对零件图的分析,了解工件的结构形式,明确了具体的技术要求,从而对工件各组成表面选择合适的加工方法。再拟订较为合理的工艺规程,充分体现质量、生产率和经济性的统一。
机床夹具设计是工艺装备设计中的一个重要组成部分,在整个机械加工过程中,夹具除了夹紧、固定被加工零件外,还要求保证加工零件的位置精度、提高加工生产率。
本课题在设计的过程当中,深入生产实际,进行调查研究,吸取国内外先进技术,制定出合理的设计方案,在进行具体设计。
关键词产品设计,后托架,加工工艺,夹具
ABSTRACT
He machi
ne-fi
nishi
ng craft realizes the product desig
n, guara
nteed the product quality, saves the e
nergy, reduces the co
nsumptio
n the importa
nt method. After this topic studies the CA6140 lathe the bracket processi
ng tech
nological process. First through to the detail drawi
ng a
nalysis, u
nderstood the work piece the structural style, has bee
n clear about the co
ncrete specificatio
n, thus to work piece each compositio
n surface choice appropriate processi
ng method. Agai
n drafts the more reaso
nable tech
nological process, fully ma
nifests the quality, the productivity a
nd the efficie
nt u
nificatio
n . E
ngi
ne bed jig desig
n is i
n a craft equipme
nt desig
n importa
nt co
nstitue
nt, i
n the e
ntire machi
ne-fi
nishi
ng process, the jig except clamps, fixes is processed outside the compo
ne
nts, but also requests guara
ntee processi
ng compo
ne
nts positio
n precisio
n, e
nha
nceme
nt processi
ng productivity . This topic i
n the middle of the desig
n process, pe
netrates the productio
n reality, co
nducts the i
nvestigatio
n a
nd study, absorbs the domestic a
nd foreig
n adva
nced tech
nologies, formulates the reaso
nable desig
n proposal, is carryi
ng o
n the co
ncrete desig
n . Keywords shift the product desig
n,latter bracket ,processi
ng craft,jig 一、零件的分析: (一)计算生产纲领,确定生产类型: 零件图上为CA6140车床上的后托架,生产量为2000件,该产品属于轻型机械,根据表1-3生产类型与生产纲领等的关系,可确定其生产类型为中批生产。 (二)零件的作用: 后托架在CA6140车床床身的尾部,三个孔分别装丝杠、光杠、转向开关,起加强固定作用;在40mm与30.2mm之间的孔为毛线孔,用于导通油路;旁路的螺纹孔是连接油盖的;正面的四个孔将后托架固定于车床尾部。
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ne-fi
nishi
ng craft realizes the product desig
n, guara
nteed the product quality, saves the e
nergy, reduces the co
nsumptio
n the importa
nt method. After this topic studies the CA6140 lathe the bracket processi
ng tech
nological process. First through to the detail drawi
ng a
nalysis, u
nderstood the work piece the structural style, has bee
n clear about the co
ncrete specificatio
n, thus to work piece each compositio
n surface choice appropriate processi
ng method. Agai
n drafts the more reaso
nable tech
nological process, fully ma
nifests the quality, the productivity a
nd the efficie
nt u
nificatio
n . E
ngi
ne bed jig desig
n is i
n a craft equipme
nt desig
n importa
nt co
nstitue
nt, i
n the e
ntire machi
ne-fi
nishi
ng process, the jig except clamps, fixes is processed outside the compo
ne
nts, but also requests guara
ntee processi
ng compo
ne
nts positio
n precisio
n, e
nha
nceme
nt processi
ng productivity . This topic i
n the middle of the desig
n process, pe
netrates the productio
n reality, co
nducts the i
nvestigatio
n a
nd study, absorbs the domestic a
nd foreig
n adva
nced tech
nologies, formulates the reaso
nable desig
n proposal, is carryi
ng o
n the co
ncrete desig
n . Keywords shift the product desig
n,latter bracket ,processi
ng craft,jig 一、零件的分析: (一)计算生产纲领,确定生产类型: 零件图上为CA6140车床上的后托架,生产量为2000件,该产品属于轻型机械,根据表1-3生产类型与生产纲领等的关系,可确定其生产类型为中批生产。 (二)零件的作用: 后托架在CA6140车床床身的尾部,三个孔分别装丝杠、光杠、转向开关,起加强固定作用;在40mm与30.2mm之间的孔为毛线孔,用于导通油路;旁路的螺纹孔是连接油盖的;正面的四个孔将后托架固定于车床尾部。
作品编号:
295781
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