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1、摘要本文作者主要研究了φ400mm经济型中档精度数控车床的横向进给机构的设计及其改造。其中,主要论述了两种不同的横向手动进给装置,亦即两种不同的设计方案。通过对两种不同设计方案的优缺点比较,根据提高定位精度、重复定位精度等因素,最终确定设计方案二为本次设计的设计方案。在设计计算中,本文作者主要对数控车床横向进给机构的主要组成部件:滚珠丝杠副、同步带、同步带轮、交流伺服电机、导轨副及其自动转位刀架等进行了设计计算或选型。其中对滚珠丝杠副、同步带、交流伺服电机以及自动转位刀架的设计计算及选型作了重点论述。此外,本文作者还对各个零部件进行了设计,并绘制了全部零件图以及该数控车床横向进给机构的装配图
2、。此结构简单可靠,可应用于相似的各类数控车床上。关键词：数控车床进给机构进给系统AbstractMainresearchφ400mmeconomicalmiddle-gradeprecisionnumericalcontrolcrosswiseoflathe,authorofthistextofsummary,entergivedesignoforganizationandtransform.Amongthem,havedescribedtwokindsofdifferententeringhorizontalandmanuallytothedevice,namelytwokindsofdi
3、fferentplansofdesignmainly.Comparethroughtheplusesandminusestotwokindsofdifferentplansofdesign,accordingtoraisingandorientatetheprecision,orientthefactors,suchasprecision,etc.repeatedly,confirmplanofdesigntwoastheplanofdesigndesignedthistimefinally.Indesignincalculating,havelathehorizontaltoentergi
4、vemaincompositionpartoforganizationtonumericalmorecontrolauthorsofthistextmainly:Ballguidescrewvice,bring,bringwheel,exchangeservoelectricalmachinery,viceguideandtransfertolocationkniferest,etc.designcalculatingorselectingtypeautomaticallyinstepinstep.Amongthemguidescrewvicetoballtaking,exchangeser
5、voelectricalmachineryandtransfertolocationdesignofkniferestcalculateandselectingtypeactasandexpoundthefactespeciallyautomaticallyinstep.Inadditionauthorofthistextgoonanddesigntoeachsparepartalso,drawallpartpictureandlathehorizontaltoentergiveinstallationdiagramoforganizationnumericalcontrolthis.Iti
6、sreliablethatthisisofsimplestructure,canapplytosimilarallkindsofnumericalcontrollathes.Keywords:ComputercontrollatheFeedequipmentFeedsystem
