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外文翻译--机床结构及工艺.doc

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外文翻译--机床结构及工艺.doc

附录英文原文ConstructureandTechnologyofMachineToolsSize,BedandTailstockofEnginelatheSIZELathesizeisdeterminedbyswingandlength,ofthebed.Theswingistwicethedistancefromthelivecenterpointofthespindletothetopofthebed,orthelargestdiameterthatcanbeturnedoverthewaysofalathe.Forexample,a10in,lathewillruina10in,diameterworkpieceovertheways,butnotoverthecarriagecrossfeedslide.Sometimestwonumbersareusedtoindicateswing.Thelengthofthebedincludestheparttheheadstockrestson.Itdeterminesalsothedistancebetweencenters.Atypicalsizemightbea3footbedwithadistanceof23in.betweencenters.Lathebedsareofferedinmanydifferentlengthsforeachavailableswingsize.Alatheshouldhaveaswingcapacityanddistancebetweencentersthatisatleast10percentgreaterthanneededtodoanyjobthatmayberequired.Standardlathescomeinavarietyofdesignsandstylesandmayhaveaswingrangingfromabout9to53in.Theyaregenerallyclassifiedassmall,mediumswing,andheavyduty.BedbodyThebedbodyisthebaseoflather,is1.Itisspineoflather,canusetoinstallorpropupallofotherparts.Belocatedonabedbodycopingofistoleadatrack.GeneralmoreexpensivelatherfromVtypepeaceleadatracktocombine,butmorethelatherofcheapnessbeonlyeventoleadatrack.Leadthestructureoftracktobedifferentwiththemanufacturing.SomemanufactoryadoptiondemandcanreplaceoftheCuifiresteelleadatrack,butothersomemanufactoryadoptionandbedbodytheflamesCuifireoftheintegralwholeleadatrack.Leadhowtheaccuracyoftrackisthefunctionofdecisionlather.Leadthetrackhavetobeaccuratebutnicety,inordertomakeprincipalaxisbox,tailandthebedsaddlealwaysaccuratefixedposition.DirectBelocatedonunderthebedbodypioneertrackofis1.1matchwiththisNieandmaketocanmovebedsaddlewhileturningtobeginaround.TailThetailcanfollowabedbodytoleadatracktomoveandreigntoplacetoptocliptight.Itconstituteto°fromtwoZhupiecenamelymainparts.Thelowerpartpieceisdirecttodependinleadingatrack,upperpartpiecedependonthelowerpartpiece,regulatebolttwopartsconnecttogether.Theupperpartpiececaninfrontandbackturntomovetocarryonbyadjustingatailanawldegreeacartopare,orreadjustatailcentertocarryonstraightlinethecarpare.Whileturningtomoveatailahandround,tailsettubenamelyslipperybodycanintheupperpartpieceoutsidemove.Tailsetthetubehave1andcanpacktoporotherknifelikeaugerandJiaoknifeofawlbore.Onlysetwithtailthetubehavehomologytheknifeoftheawldegreethencanpackinthesetthetubebore.Wanttounloadaknifeinsidetubefromtheset.aslongasfallbackahandroundcanmakeasetoftubesendbackinsideupperpartpiece.CanmoveasettheLuopoleofthetubetocarrylooseopenanawlhandle,socanunloadknife.Havetocautionavoidanusageunwellgotogetherwithofawlbody.Ifappearanawlbodyunwellgotogetherwith,cantusagehandroundLuopoletounloadaknife.Wantsincenotthedamageheartstalkagaincanunloadknife,canusageunderneathtwokindsofoneofthemethods1Tailsetthebodywithnamelyslipperytubeturnoneshortdistanceandopenthreeclawcardthecarddishofthedishclaw,forwardglidetailtheawlbodywhichmaketoblockcliptightinthecarddishtheclaw,tightthesolidtailcliptightplank,fallbackthehandroundcanunloadknifeinsidetubefromtheset.2Thesparepartsblockedinthetailthesetthetubecarryadepartmenttoaddthecartfulbedcardclaw,useonesmallhammerlightKouthiscardclaw,canunloadaknife.Thebeardmatchheartwhilefallingbackatailahandround.IfbackaLuopolebitterendwiththeverybigdintforthemeetingYatolive,sowillmakeinnerpartthethreadtransformevendamage.GeneralcantmoveahandroundbyhandandforwardwhentheLuopoleblock.Occurrencethiskindofcircumstance,prevent°fromfurtherdamageofhadbetterwayisinhandroundtopputabigliveawrench,forwardmovehandround.Willnevertheabilityusethehandhandlethatthehammersonknockahandround.TheprincipalaxisboxofcommonlatherPrincipalaxisboxthemodulebetightsolidleftcarryinthelather.Itisconstitutebytheprincipalaxisboxprincipalaxis,Bemadetheprincipalaxisrevolvebythewheelgearorthewheelgearsetandtheleatherbeltround.Theprincipalaxishavecanpacktoclipandturntobegintoworkapieceofenclosure.Theprincipalaxishavemanyturnsoon.Principalaxisboxfrom35accept.Becauselathertopprocessofworkpiecetheaccuracybedecidedbyaccuracyofcliptheprincipalaxisaxisofrevolutionofholdtheworkpiece,pasthavetoverycarefullymanufacturingandinstallprincipalaxisanditallenclosure.Theprincipalaxiscontainaboreandtheheadofthisborebeoneawlbore,canusetoinstallknifeoftaketheawlhandle.Installaprincipalaxisboxtolivetop,with1gotogetherwithintotheprincipalaxisawlinsidebore.Theprincipalaxisboxistopandcanrevolvewiththeworkpiece.pastcalltolivetop.Itisatheawlmetalswhichtakepointpiece.Theworkpiececanusetoacceptaworkpiecewhentheworkpiecerevolveandalllatherbetopallfor60degreesCape.Installanenclosureontheprincipalaxis,oftenusagethreekindsofingeneraluseprincipalaxishead1.ThreadprincipalaxisheadThethreadprincipalaxisismostincommonuseonthelatherhead.ArrivetheenclosureNingforinstallaprincipalaxisup,untilwiththeprincipalaxismethodorchiddishclosematcheachother.Threadprincipalaxismainweaknessoftheheadistocantcarryonantiparetowardthecar,antibecauseofsomeenclosureforexamplecarddishtohourwouldlooseopen.2.camlocktightprincipalaxisheadThecamlocktightprincipalaxisheadcontainaveryshortawlbody,itcangotogetherwithintoflowerdishorcarddishbackofinsideawlslot.Fromtheflowerdishorthecarddishbackstretchoutmanycamlocktightminoraxis,theseminoraxisescangotogetherwithintotheboreofprincipalaxisheadinside.Turningtomovethesecamscanbetighttheirlockatprovisionposition.3.thelongawlkeyspreadtomoveaprincipalaxisheadIthasaverylongawlbody.Theawlbodytakeadditionalkeywithaninsidethreadsetclaw.Flowerdishorcarddishhavetowithitsawldegreehomologycombinetakeoutsidethreadkeyslot.Thiskindofjusttolocktighttypetheprincipalaxisbethemostwidespreadinthemediumsizedlather.Itallowaprincipalaxisatjusttoorantitorevolvealltheabilityslicetopare.Drivethemotiveofprincipalaxisissupplybyanelectricmotor,deliverthemotivetotheprincipalaxistohavefourkindsofincommonusemethodfromtheelectricmotor1.TheevenleatherbeltspreadtomoveInthemajoritytheleatherbeltspreadmoveofthelather,itisdirecttodrivemotivethroughaleatherbeltdelivergiveattachatowerroundinprincipalaxis.Thedissimilarityformovingtheleatherbelttothetowerroundposition,convertibilityprincipalaxisspeed.Foracquirelowersoonwithgreatermotive,canusagecarryroundonusagesback.2.thetriangleleatherbeltspreadtomoveThecircumferenceofeachleatherbeltroundtopallopenaVtypeslot.TriangleleatherbeltwillbythesquaretheQianpersonisinsideslot.Thetriangleleatherbeltcantrunintothebottomofleatherbeltround.Thiskindofspreadtomoveawaytoalsohave1tospreadwithevenleatherbelttomovelikenessofcarryonthebackaroundequip.3.havenoclasstobecometosoonspreadtomoveThiskindofequipneednotparkingcanchangeactiveroundwithfrommoveaspeedof.Actuallyonlywhenthetoolmachinecirculatejustneedtobebecomesoon.HavenoclasstobecometosoonspreadtomoveofspreadandmoveleatherbeltroundfromtwoVtypeonthesideofthehalfroundconstitute.Theleatherbeltasideoftheroundcanopenandnamelytakeoffwithanotherasidetoopen.Movetoarrivesmallerdiameterintakeoffopenthehour.theleatherbelttoward,makefrommovearoundcreationlowerspeed.Whenleatherbeltroundtwosidesmatchat,forceleatherbelttooutwardlymovetoarrivebiggerdiameter,makefrommoveaspeedtoenlarge.Canbyhandmoveortheliquidpresstocarryonbecomesoon.Whentheadoptionliquidpressaway,bedsideboxcopingofcontrolthedishcanmaketheliquidpressasystemprecisionaction.Dontturnthisacontroldishwhentheelectricmotorisstop.Directspreadtomoveofturnsoonscopeto3001600toturn/cent.Foracquirelowerturnsoon,havetofirstparking,turntomovetocarryonthebackaroundtoshakeahand.Lowspeedscopefor43230turn/cent.4.thewheelgearspreadtomovetobecomesoonaboxThiskindofincludewheelgearandbecomesoonorganization,canacquiremanyturnofdissimilaritysoon.Operationcanusageattachatthebedsidespeedontheboxcentdegreedishtochoiceneedofspeed.Move2orthreehandhandleorshakethehandadjustablestanzaspeed.Thebedsaddleofthecommonlather,entertogivewithcarthreadorganization.Bedsaddle

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