机械5

摘要 本次设计主要研究CC系列卧式车床CC6102滑板，对其进行加工工艺以及专用夹具的设计。CC系列卧式车床在现实生产中运用广泛，因此需要保证其零部件的加工精度。CC6102滑板主要用于车床的进刀或者退刀。利用90°V型槽和机床进行配合，实现其横向或者纵向移动。其90°V型槽和零件底面，因需要和机床配合，所有加工精度以及形位公差要求较高。零件的材料选择HT150。 加工工艺设计有：零件材料和零件作用的分析；零件组成表面以及加工要求的分析；零件生产和制造类型以及方式的确定；确定了加工工艺路线；填写过程卡，依据计算的切削用量填写了加工工序卡等。 专用夹具设计有：设计了加工90°V型槽铣床专用夹具。零件定位主要利用下端面和标准件—支承板定位，定位方案为“三个面”。夹紧方案利用移动压板等标准件进行夹紧。 关键词：CC系列卧式车床；CC6102滑板；加工工艺；90°V型槽；铣床 Abstract This desig
n mai
nly studies the CC series horizo
ntal lathe CC6102 skateboard, a
nd carries out the processi
ng tech
nology a
nd the desig
n of special fixtures. The CC series horizo
ntal lathes arewidely used i
n actual productio
n, so it is
necessary to e
nsure the machi
ni
ng accuracy of their compo
ne
nts. The CC6102 skateboard is mai
nly used for the i
nfeed or retractio
n of the lathe. Use a 90° V-groove toworkwith the machi
ne to achieve lateral or lo
ngitudi
nal moveme
nt. Its 90°V groove a
nd the bottom surface of the part require high machi
ni
ng accuracy a
nd geometrical tolera
nces due to the
need to cooperatewith the machi
ne. The material of the part is HT150. The desig
n of the processi
ng tech
nology i
ncludes: a
nalysis of the fu
nctio
n of the parts a
nd parts; a
nalysis of the surface of the parts a
nd the processi
ng requireme
nts; determi
natio
n of the type a
nd mode of productio
n a
nd ma
nufacturi
ng of the parts; determi
natio
n of the processi
ng route; filli
ng i
n the process card, filli
ng i
n the processi
ng accordi
ng to the calculated cutti
ng amou
nt Process card, etc. The special fixture desig
n i
ncludes: Desig
ni
ng a special fixture for machi
ni
ng 90°V groove milli
ng machi
ne. The positio
ni
ng of the parts mai
nly utilizes the lower e
nd surface a
nd the sta
ndard part-supporti
ng plate positio
ni
ng, a
nd the positio
ni
ng scheme is“three faces”. The clampi
ng scheme is clamped usi
ng sta
ndard parts such as movi
ng plate
ns. Keywords: CC series horizo
ntal lathe; CC6102 skateboard; processi
ng tech
nology; 90°V groove; milli
ng machi
ne 目录 摘要I Abstract II 第一章前言1 1.1机床夹具概述及组成1 1.2机床夹具的分类1 1.3本课题研究的技术路线2 1.4本课题研究的目的2 第二章分析零件，确定零件的生产类型及制造方式3 2.1分析零件3 2.1.1分析零件的作用3 2.1.2分析零件的材料3 2.1.3分析零件的结构3 2.1.4分析零件的加工要求4 2.1.5分析零件的形位公差要求4 2.2确定零件的生产类型4 2.3确定零件的制造方式5 第三章确定加工基准及工艺路线，选择工艺装备及计算6 3.1确定零件的加工基准6 3.2设计零件的加工工艺路线6 3.3选择零件的加工装备7 3.4确定零件的加工余量8 3.5计算零件的切削用量及加工工时9 第四章设计专用夹具23 4.1问题的提出23 4.2设计定位方案，选择定位元件23 4.3设计夹紧方案、选择夹紧元件24 4.4设计夹具体24 4.5设计对刀块24 4.6计算切削力及夹紧力25 4.6.1计算切削力25 4.6.2计算夹紧力25 4.7分析定位误差25 结论26 致谢27 参考文献28