外文翻译--立式轴承座钻孔组合机床设计.doc

附录附录1英文原文Verticalbearingseatdrillholeaggregatemachine-tooldesignAuthor:Cnsawarticleorigin:Chinesesawingindustrynetwork1minuteworkingprocedure,decidesthelocation1.ProductiontypeanalysisThisdesignverticalbearingseatdrillholeaggregatemachine-tool,itsprocessesthecomponentsapplyintheautomobileextremelywidely,shouldbelongtothemassproductionproject,thereforeindesigntimeshouldnotetomakestheprocessingtobesimpleasfaraspossible,butdoesnotaffecttheprocessingquality.2.ProcessingplanformulationThedivisionworkingprocedureneedstoconsidertotheproductionscale,theprocessingprecision,usestheenginebedthecharacteristic,thestaticloadsituationandsoon.Thedivisionworkingproceduremayhavetwokindoftrends:Theworkingprocedurecentralismandtheworkingprocedurearedispersible.Theworkingprocedurecentralismdisperseshasitsstrongpointrespectively,ingeneral,byenhancestheproductivityinthemassproductionprimarily,mustwidelyusethemulti-knives,thesingleaxleandmultiplespindleisautomaticorthesemiautomaticenginebed,multiplespindleplaner-typemillingmachine,aggregatemachine-toolandsoon,thereforeadoptstheworkingprocedurecentralismtobepossibletoobtaintheprominenteffect.Inthisdesignbearingseatdrillholeaggregatemachine-toolverygreatdegreecausesvariousworkingprocedurestoconcentrateasfaraspossible,thedisplayaggregatemachine-toolmerit,atthesametimecauseseachkindoferrortoreducetothethreshold.Becauseinthisdesignprocessesinthecomponents10holesthepartialholesareawayfromtoonear,isnotadvantageousfortheprocessing,thereforeseparatesistwolocationscompletes,thencarriesonthecomponentspositiontransformation.Belowthemainlocationselectstheplanaftertheanalysis:1)loadsandunloads,clamps；2)drills7holesf13.5；3)drills3holesisf14,drills2threadsbottomholesf14,KongHaowei8,9；4)drillscrosswiseholef14；5)expandsarticulation7holesf14.5；6)attacksthesilk.2compoundcuttingtoolscuttingspecificationsescomputation1.CuttingspecificationscharacteristicTheaggregatemachine-toolnormalworkandreasonablyselectsthecuttingspecifications,namelythedeterminationreasonablecuttingspeedandtheworkenterstothequantityhastheverybigrelations.Thecuttingspecificationselectstheinappropriateness,cancausetheaggregatemachine-tooltoreducestopstheloss,enhancestheproductionefficiency,lengthensthecuttingtoollife,improvestheprocessingquality.2.Leadsasetofdesign1徐州工程学院毕业设计(论文)3.Isprocessed7holesdiametersis14.5,theprocessingholediameterwithleadsasetoflength,leadsthesetofinsidediametersize,aboutthedeviationaswellastheholespoolthreadidealpositiondisplacementrelations,liketable1shows.4.Mayknow17holesbytable1,aswellas810holesandthebottomholediametersare14.5mm,itneedsleadsasetoflengthfor(3240)mm,theinsidediametersizedeviationis+0.016+0.034,holespoolthreadidealdisalignmentfor(0.150.20)mm.5.HoleprocessingcuttingspecificationscomputationAProcessesthiscastingHB=204withthehigh-speedsteeldrillbit(todrill17holes,IIlocation；Drills810holes,IIIlocation)；Drillbitdiameter:14.5mm；Cuttingspecifications:V=(1018)m/Min,s=0.2mm/R,rotationalspeed350r/Min.B.Drillscrosswiseholef16withthehigh-speedsteeldrillbit(IVlocation)toprocessthediameter:16mm；Cuttingspecificationsv=(1018)m/Min；S=(0.180.25)mm/R；Rotationalspeed350r/Min.C.Expandswiththehardalloyreamerreams17holes(Vlocation)inVlocation,whenexpandsthearticulation7holes,usesexpandsthearticulationcompoundcuttingtool,entersforthequantityaccordingtothereamerchoice,thecuttingspeedaccordingtothereamerchoice,moreoverentersforthequantityshouldselectthepermissiblevalueaccordingtothecompoundcuttingtoolmostminordiametertheupperlimit,thecuttingspeedthenselectsthepermissiblevalueaccordingtocompoundcuttingtoolmostlargediametertheupperlimit.Processingdiameter:14.5mm；Cuttingspecifications:V=(810)m/Min,s=0.25mm/R,rotationalspeed280r/Min；Reamercutterbarandguidancepartialnominaldiameterd+0.08；Reamertolerance:-0.036；Cutterbarguidancepartialtolerances:-0.006-0.0017；Leadsthesetofinsidediametertolerance:+0.0240.006.D.Theholeprocessingduringcommonlyusedworkingproceduretheremainderdrillsoutthediameteris1020,indiameterworkingprocedureremainderfor(1.52.0)mm；Reamsthediameteris1020,inthediameterworkingprocedurequantity(abovecuttingspecificationschoiceprovidesmaterialfor(0.100.20)mmbyeastwindcarcompanyequipmentfactorydesigndepartment).3partsselect1.PowerchoicestandardThepowerpartwithbyrealizesthecuttingtooltorevolveandtoenteroronlyusesinforthemovementforthemovement,thisenginebedrealizedthecuttingtooltorevolveandtoenterforthemovementtwocontents.Eachkindofspecificationpowerheadallhasthecertainpowerscope,accordingtothecuttingpowerwhichcalculatesandentersneedofforthepower,andthesuitableenhancementcuttingspecificationspossibility,selectsthecorrespondingspecificationthepowerhead,theformulaasfollows:Nmoves(Ntocut+Ntoenter)/HkW.Intheformula:Nmovesforthepowerheadelectricalmachinerypower；Ncutsisthecuttingpower,selectsthecuttingspecificationsaccordingtovariouscuttingtools,centerhasextractedby2徐州工程学院毕业设计(论文)theaggregatemachine-toolcuttingforceandthepowerformula；Nentersforentersforthepower,isentersregardingthehydraulicpressurepowerheadfortheoilpumpingstationconsumptionpower,generallyfor(0.82)kW；Histhetransmissionefficiency,whentheheadstockisshortin15,whenh=0.7,ismorethan15,h=0.65.2.EnginebedactualpowerAboutthisverticalaggregatemachine-tooldividestwoelectricalmachinerytoleadmorethantwoaxle-boxestocarryontheprocessing.Regardingthelefthalfpartofmulti-axle-boxescuttingtool,whenprocesses17holesaswellasIIIlocationprocesses10holesitspowersumtotal:N/KW=0.297+0.283=2.313Becausetheleftheadstockisshortin15withthedrillbit,thereforeH=0.7,N/KW=2.313/0.7=3.3Regardingtherighthalfpartofmulti-axle-boxescuttingtool,expandsthearticulation17holesinVlocationaswellasattacksthesilk,thedrillbitactualpower:N/KW=0.14277=1.0Becausetherightheadstockisshortin15drillbits,thereforeH=0.7,N/KW=10.7=1.433.SelectstheelectricalmachineryAsaresultofthisenginebedintheactuationaspectnotspecialrequest,selectsordinaryalsoisthemostreliableYserieselectricalmachinery,itisthesealfromfanLengShishuthecagethree-phaseasynchronousmotor,substitutesfortheJ02seriestherenewalproduct.Thelefthalfbranchneedsthepoweris3.3kW,looksupYseriesthree-phaseasynchronousmotortable,selectstheY123S24modeltheelectricalmachinery,theratedpoweris5.5kW,selectsthismodelelectricalmachineryquitetobeappropriate.Therighthalfbranchneedsthepoweris1.43kW,looksupYseriesthree-phaseasynchronousmotortable,selectstheY112M26modeltheelectricalmachinery,theratedpoweris2.2kW,selectsthismodelelectricalmachineryquitetobeappropriate.4jigsdesigns1.Bearingseatdrillholeaggregatemachine-tooljiganalysisA.Accordingtotheworkpiecedifferentworkingcondition,maydifferentlyhaveeachkindtoinstallthemethod:A)adjuststhepeacefulprocess；B)jigpeacefulprocess.B.Thebasiclocalizationprincipleanalyzesheretodiscussin6localizations,6degreesoffreedomeliminations,inordertodiscoverstheappropriatelocalizationtoclamptheplan.Anobjectmayhave6independentmovementsinthespace,namelyalongX,Y,theZaxistranslationalmotion,respectivelyrecordsisX1,Y1,Z1；CirclesX,Y,theZaxisrotation,recordsisX2,Y2,Z2,inthecustom,iscalledastheabove6independencemovement6degreesoffreedom.Ifusesthecertainrestraintmeasure,eliminatestheobject6degreesoffreedom,thentheobjectislocatedcompletely.Whenforexamplediscussioncuboidworkpiece,mayarrange3notaltogetherlinesinthebottomsurfacetheobligatorypoints,arranges2obligatorypointsinthefacade,arrangesanobligatorypointintheendsurface,thenthebottomsurfaceobligatorypointmaylimitX2,Y2,aZ23degreeoffreedom,thefacadeobligatorypointlimitsX1,aZ12degreeoffreedom,theendsurfaceobligatorypointlimitsY1thisdegreeoffreedom,completelyhaslimitedthecuboidworkpiece6degreesoffreedom.C.Clampsthestrengthtwoessentialfactors,thedirectionandtheactionpointclampthestrengthdirectiontobesupposedtofacelocatesthepart,andcausestohaveclampsthestrengthtobesmallest.Thedeterminationclampsthepointofforceconcurrencewhenthepositionshouldnotdestroythelocalization.Clampsthepointofforceconcurrencethepositiontobesupposedtoapproachtheprocessingspotasfaraspossible,byreducesthecuttingforcetocircleclampsthepointofforceconcurrencethemomentofforce,preventedtheworkpiecehastherotationorthe3徐州工程学院毕业设计(论文)vibrationintheprocessingprocess.Shouldguaranteeclampsthedistortionnottoaffecttheprocessingprecision.Clampsthepointofforceconcurrencenumbertobesupposedtocausetheworkpieceintheentirecontactfacethestresseven,thejuxtapositionmetamorphoseissmall.2.Thelocalizationclampstheplanthedetermination3.Thiscomponentsbelongtothehollowcircularcasting,thegenerallocalizationparthasVshapeblock,locatesthesleevetomakethesemicirclelocalization,ifselectsVshapeblocklocalization,aswellascircledX,theYrotationofaxisdegreeoffreedomintheZaxistraversealreadyeliminates,carriedontheprocessingwhenthedrillbit,circledtheZaxisrotationthedegreeoffreedomtobeunabletoeliminateactually,thereforelocatedwithVshapeblocktheplanwasinvalid.Iftheusesemicirclelocalization,itsresultandwithVshapeblockissame,allisunabletocausetheworkpieceintocircletheZaxisinthedirectiontobestable,finallydecidestheuselocalizationsleevelocalization.Likechart2ring-likesleevesbyH7/K6orH7/Thejs6excessivelycoordinationloadsthejig,afterthecomponentsputsinthesleeve,inX,theYdirectiondegreeoffreedomelimination,atthesametimeusestheclampthemethod；Enabletheclampusingtheballheadbolttightlytosuppresstheworkpiecebody.Likechart3shows,inunderthisclampfunction,alongXrotationofaxisX2,aswellasanddegreeoffreedomisalllimitedalongZrotationofaxisZ2alongZtheaxisdirectionZ1.Thereforeinunderthissetofjigfunction,degreeoffreedomandsoonX1,Y1,Z1,X1,Y1iseliminatedcompletely,butunderclamppressurefunction,betweencomponentsandcuttingtoolformidablefrictionforce,aswellasintheprocessingprocessmiddleaxledirectiveforcemutualcounterbalance,isalsoeliminatedintheZdegreeoffreedom.WhencarriesontoIVlocation,whenprocessingcrosswisehole,X1,Y1,theZ1degreeoffreedomwaseliminated,X2,theY2directiondegreeoffreedomwasalsoeliminated,inZ2direction,becausetheclampfunctioncausedtheworkpiecealsotoeliminateattheZ2directiondegreeoffreedom.5attacksthesilkinstallmentAttacksthesystemthreadwhentheaggregatemachine-tool,accordingtoisprocessedthecomponentsprocessingspotthedistributedsituationandthetechnologicalrequirementandsoon,commonlyusedattacksthesilkmethodtohave3kinds:Usesattacksthesilkpowertapertapsilk,usesattacksthesilkinstallmenttoattackthesilkandtousetheactivitytoattackthesilktemplatetoattackthesilk.Inthisdesign,therighthalfpartcompletesV,VIlocationprocessing.Electricalmachineryonlythen5.5kWpower,thereforethesynthesisconsiderationselectsattacksthesilkinstallmenttoattackthesilk.Whenputsinorderth