王减速器箱盖连接孔组合机床夹具设计译文Word文档下载推荐.docx
- 文档编号:4430233
- 上传时间:2023-05-03
- 格式:DOCX
- 页数:22
- 大小:119.08KB
王减速器箱盖连接孔组合机床夹具设计译文Word文档下载推荐.docx
《王减速器箱盖连接孔组合机床夹具设计译文Word文档下载推荐.docx》由会员分享,可在线阅读,更多相关《王减速器箱盖连接孔组合机床夹具设计译文Word文档下载推荐.docx(22页珍藏版)》请在冰点文库上搜索。
专业
班级
指导教师
2013
年
4
月
11
日
Combinationmachinetoolsandautomaticlinethedevelopmenttrend
Abstract:
CombinationmachinetoolsandCombinationmachinetoolsautomaticlineisakindofspecialhighautomationtechnologyandequipment,whichhasbeenwidelyusedinautomobiles,tractors,internalcombustionenginesandcompressorsmanyindustrialproductionfield.Combinationmachinetoolsandautomaticlineofthetechnicalperformanceandintegratedautomationlevelinlargelydeterminestheenterpriseproduct'
scompetitiveness.ModernCombinationmachinetoolsandautomaticlineaselectromechanicalproducts,anditiscontrol,driving,measure,monitor,cuttingtoolandmechanicalcomponentssuchasthecomprehensivereflectionoftechnology.Overthepast20years,Combinationmachinetoolsandautomaticlinetechnologyunceasingdevelopment.
Keywords:
Combinationmachinetoolsautomaticlinebeat;
FlexibleCombinationmachinetools;
Combinationmachinetoolsautomaticlineflexibility;
Combinationmachinetoolsintegratedautomationdegree;
Combinationmachinetoolsautomaticlinereliabilityandefficiency
1.Combinationmachinetoolsofvarietiesofkeygrowth
InCombinationmachinetools,rotarymultistageCombinationmachinetools(Figure2)andautomaticline(Figure3)occupiesaveryimportantposition.Becauseofthesetwokindsofmachinecanbethepieceofmanyprocessesallocationtomultipleprocessingavailable,andatthesametimecanfrommultipledirectionsofworkpiecesurfaceprocessing,severalinaddition,throughinversionfixture(intherotationworkbenchmachine)orthroughinversion,turn-overdevice(on)toimplementtheworkpieceinautomaticlineoffiveplaneprocessingorthewholeprocessing,thushasthehighdegreeofautomationandproductionefficiency,automobile,motorcycleandcompressorsindustrydepartmentsadopted.
Figure1drumwheeledCombinationmachinetools(levelrotaryaxis)
Figure2rotarymultistageCombinationmachinetools
Figure3automaticline
2.Automaticlinetakttimefurthershorten
Atpresent,massproductionisthecharacteristicofcarsandlightcarriage,rotarymultistageCombinationmachinetoolsandautomaticlineinclassthreeoperation,itstakttimeisgenerally20~30seconds,whenpartsproductionbatchlarger,andthemachine'
stakttimewhenmoreshort(Table1).
Table1foreignpartautomaticlineandrotarymultistageCombinationmachinetoolsoftakttime
Table1foreignpartautomaticlineandrotarymultistageCombinationmachinetoolsoftakttimeworkpiecename
Machinecategory
Takttime(s)
Systemmadefactoryname
V6cylinder
Automaticline
25.5
GermanCross
Cylinderlid
18
SpainEtxe-tar
Shiftingbox
GermanEx-cell-o
Eventherod
22
GermanyAlfing
bearingcap
5
Automaticlineofshortmeter,mainlythroughshortenbasictimeandauxiliarytimetorealize.
Toshortenthemainwayisbasictimingtoolmaterialandadoptnewnovelknives,tothroughimprovingthecuttingspeedandfeedingspeedtoshortenthebasictime.Forexample,Volkswagencarfactoryinaluminumalloycylindercombustionchamberflanking,usingPCDmillingcutter,millingspeedupto3075m/min,feedrateof3600mm/min,Inthecylinderblock1taseriesofgreycastiron,usingequippedwiththreeholescanturnaboringcutterbladesofnovelCBN,cuttingspeedreaches800m/min,feedingspeedasa1500mm/min,processingforthecylinderholedepth146mm,itsactualprocessingtimeisonly5.8s,thantraditionalprocessingcanbeindentedshort2/3oftheprocessingtime.
Shortenauxiliarytimeismainlyshortenincludingworkpiececonveying,processingmodulerapidintroductionaswellasprocessingmodulebyfastforwardconvertintoafterworktotoolcutworkpiecespendstime.Forshorteningthetraveltime,thispartemptyuniversallyadoptedenhanceworkpiecesdirecttransport)or(workpieceaccompanyingjigtransmissionspeedandprocessingmoduleofrapidmovementspeed.Atpresent,accompanyingjigconveyorspeedcanreach60m/minorhigher,processingmodulefastmovingspeedof40m/min.Atpresent,accompanyingjighigh-speedconveyercommonlyusedhaveelectrohydraulicproportionalvalvecontrolorcycloiddrivenconveyer.Electrohydraulicproportionalvalvecontrolsystemhasgoodstartandbrakeperformance,andthesystemstructureissimple,thisconveyerstilladoptedbymanyautomaticline.
3.Combinationmachinetoolsflexibleprogression
Automobileindustry,tocaterforpeoplepersonalizedneeds,carvariantvarietieswasincreasing,withmanyvarietiescompetehasbecomeoneofthecharacteristicsofautomobilemarketcompetition,thismakesCombinationmachinetoolsmanufacturingfacedvariantmultiplevarietyproductionchallenge.Inordertoadapttothemultiplevarietyproduction,traditionalbyprocessingsinglecroprigidityCombinationmachinetoolsandautomaticlineneedstoimproveitsflexibility.Automarketcompetitionmorehastenisintense,productmarketlongevityfurthershortenthedevelopmentcycle,newmodelsofincreasinglyshorter(currentgeneralfor35months),automobilevarietiesincrease,thusautomobileindustryofflexibleautomationtechnologyandequipmentdemandisincreasing.Combinationmachinetoolsandautomaticlineinmaintainingitshighproductionefficiency,undertheconditionoffurtherenhanceitsflexibilityisincreasinglyimportantsignificance.
Figure4pillarmobilencthreecoordinatesprocessingmodule
Figure5automaticallychangestallations.themultiaxialprocessingmodule
Figure6turntowermultiaxialprocessingmodule
Figure7rotaryworkdesktopmultiaxialprocessingmodule
CombinationmachinetoolsisprimarilythroughtheflexibleadoptsCNCtechnologytorealize.DevelopflexibleCombinationmachinetoolsandflexibleautomaticlineofimportantpremiseisthedevelopmentofncmachiningmodule,andhasalonghistoryofmachiningcentertechnologyfordevelopmentofncmachiningmoduleprovidesmatureexperiences.FlexibleCombinationmachinetoolsandflexibleautomaticlinewithncmachiningmodule,accordingtothenccoordinates(axis)number,basicallyhavesinglecoordinates(Z),doublecoordinates(X,Y,Z-Z-andZ-uandZ-B,etc)andthreecoordinates(x-y-Z)processingmodule;
Accordingtothespindlenumber,havesingleaxisandmultiaxialprocessingmodule,alsohaveasingleaxisandmultiaxialcompoundmachiningmodule.
Singlecoordinatebyncmachiningmoduleslidingtableandthespindlecomponent(ormorespindlebox,includingcanchangemorespindlebox)composition.Doublecoordinatesbyncmachiningmodulecrossplatformandspindleslidingparts,suchasCNCdoublecoordinatesmillingmodule.Pillarmobilencthreecoordinatesprocessingmodule(Figure4),itstoolinthreecoordinatescanbeimplementedonsports,partstobeprocessedvarietiesandmachiningtaskequippedwithtoolstore,cutterreplacementmanipulatorandtherequiredtools,hastheveryhighflexibility.Thisprocessingmoduleisflexibleautomaticlinerealizemulti-speciesprocessingisoneofthemostimportantmodules.
PillarmobileCNCthreecoordinatesprocessingmodulesavailableXaxisandYaxistorealizetheinteractionofperipheralmillingprocess,especiallyinmillingspeedofthiskindofrigidbodylikepoorworkpiece,canbemadesmallerdiametermillingcutter,realizehighspeed(cuttingspeedreaches2500m/min)peripheralmilling,thusreduceprocessingcuttingforceanddeformationoftheworkpiece.Thisisbetterthanadoptdoublecoordinatesmillingmodulewithlargediametermillingcuttersuperiortomuch.
Themultiaxialprocessingmoduleisalsoanimportantmodules,mainlyusedformachiningcabinetanddishofworkpieceflexibleCombinationmachinetoolsandflexibleautomaticline.Thismodulehavemanydifferentstructureform,butbasicallycanbedividedintoautomaticallychangestallations.themultiaxialprocessingmodule(Figure5),andturntowermultiaxialprocessingmodule(Figure6)androtaryworkdesktopmultiaxialprocessingmodule(Figure7).Automaticallychangestallations.themoduleowingtotheinstallingspecialspindleboxshouldrepositorystoragemorespindleboxshould,therefore,canbeusedtoprocessmorevarietiesofworkpiece.Andturnedinthetowerandrotaryworkdesktopmultiaxialprocessingmodule,becauseinturretheadandturntheworkbenchallowpacklimited(generallymorespindleboxfor4~6),sothiskindofprocessingmodulecanonlyachievelimitedvarietiesofprocessing.
Uniaxialandmultiaxialcompoundmachiningmoduleisakindofthreecoordinatesncmachiningmodule,canchangethroughtheautomaticknifeorautomaticreplacementspindleboxshouldrealizeuniaxialprocessingorthemultiaxialprocessing.Mid80'
sGermanyHonsbergcompanylaunchedCNCMACHmodularsystemisverydistinctiveamodularsystem,thissystemcanbeappliedmodularstructuretheory,asasystemofCNCbasedmoduleonthemodule,threecoordinatesbyincreaseordecreaseofvariousfunctionmodules,assemblesintovariousdifferentcoordinatesorwithoutprocessUSESprocessingmodule.Specifically,fromthecoordinatelook,exceptthreecoordinatesoutside,stillcanformadoublecoordinatesandsinglecoordinateprocessingmodule;
Look,canlibraryfromknifecuttingtoolstorehouseandspindleboxshouldinstalledlibrary,butalonerealnowtoolorspindleboxshouldautomaticreplacement,alsocanordinalaccomplishtoolandspindleboxshouldreplace.
CNCMACHsystem,notonlyinthemechanicalstructurebutalsoincontrolan
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 减速器 连接 组合 机床 夹具 设计 译文