Combination machine tool.docx
- 文档编号:30509511
- 上传时间:2023-08-16
- 格式:DOCX
- 页数:6
- 大小:16.72KB
Combination machine tool.docx
《Combination machine tool.docx》由会员分享,可在线阅读,更多相关《Combination machine tool.docx(6页珍藏版)》请在冰豆网上搜索。
Combinationmachinetool
Combinationmachinetool.
Combinationmachinetoolsisbasedontheworkpieceprocessingneeds,andalargenumberofcommonpartsasthefoundation,withaspecialdesignaccordingtothespecificshapeandworkpiecemachiningprocessandfixture,composedofefficientsemi-automaticorautomaticmachinetool.
Catalog
Combinationofmachinecharacteristics
Configurationofmodularmachinetool
Processingmethodofcombinedmachinetool
Thehistoryofthedevelopmentofcombinedmachinetool
Combinationmachinepartsclassification
Thedevelopmentofmodularmachinetool
Insmallbatchproductionisacombinationofmachinetoolandhowtouse?
Combinationofmachinecharacteristics
1)ismainlyusedforprismaticpartsandmiscellaneousitemsoftheholesurfaceprocessing.
2)highproductivity.Becausetheprocessofconcentration,polygonal,multi-station,multi-axis,multicutterandautomaticprocessing.
3)stablemachiningaccuracy.Becausetheprocessisfixed,canselectgeneralparts,matureprecisionfixtureandautomaticworkcycletoensuretheprocessingprecisionofconsistenc
4)thedevelopmentcycleisshort,easytodesign,manufactureandmaintenance,lowcost.Becauseofgeneralization,seriation,standardizationdegreeishigh,thegeneralpartsandcomponentsaccountedfor70%-90%,generalpartscanbemassproductionofprecastoroutsourcing.
5)ahighdegreeofautomation,lowlaborintensity.
6)flexibleconfiguration.Becausethestructureofmodular,modular.Accordingtomachiningorprocessrequirements,withalargenumberofcommonpartsandasmallnumberofcomponents,flexiblecombinationmachinetoolsofvarioustypesandautomaticline;machinehasbeenintransformation;productorprocesschanges,generalcomponentgenerallycanalsoberecycled.
Configurationofmodularmachinetool
Combinationmachinetoolofgeneralpartsoflargeandsmalltwocategories.Usinglargeuniversalpartsmachinecalledthelargecombinedmachinetool.Withsmallcommoncomponentsofthemachinetoolcalledsmallcombinedmachinetool.Thereisabigdifferencebetweenthetwokindsofmachinetoolsintheconfiguration.
Configurationtypeofalargecombinedmachinetoolisdividedintosingleandmulti-stationtwocategories,andeachcategoryhasdifferentconfigurations,(see"combinationdesignconcisemachinemanual"P2-P6)
Configurationoftwosmallcombinedmachinetooliscomposedofalargenumberofcommonparts,itsfeaturesare:
smallheadpowerusedtwoormorewiththemainmovementandfeedmovementofthescatteredlayout,thecombinationofprocessing.Thepowerhead,atelescopicslidingdesktop,lateraldimensionssmall,flexibleconfigurationtype,convenientoperation,easyadjustmentandtransformation.
Processingmethodofcombinedmachinetool
Combinationmachinegenerallyadoptsmultiaxis,knife,multi-operation,polygonalormultistageandprocessing,mainlyusedforprocessingandgraphicprocessinghole,planeprocessingmainlyreferstothemillingplane,carend;holeprocessingmainlyreferstodrilling,expanding,reaming,boringandchamfer,notch.Productionefficiencyseveraltimestoseveraltimeshigherthanthegeneralmachinetool.Duetothecommonpartshavebeenstandardizedandserialized,canaccordingtoneedflexibleconfiguration,canshortendesignandmanufacturingcycle.Therefore,thecombinationmachinehastheadvantagesoflowcostandhighefficiency,hasbeenwidelyusedinlargequantity,massproduction,andcanbeusedtocomposetheautomaticproductionline.
Combinationmachinetoolsforprocessinggeneralboxorspecialshapeofparts.Processing,workpieceisgenerallynotrotating,bytherelativefeedmotionofthetoolrotationandtoolandworkpiece,toachievethedrilling,reaming,reamingholes,reaming,boring,millingplane,internalandexternalthreadcuttingandprocessingsuchascylindricalandtheend.Rotarycombinationmachinetoolwithclampingworkpiecemachiningheadto,feedingmovementbythetoolfor,alsocanachievesomerotatingparts(suchasaflywheel,automobilerearaxleetc.)andtheoutercircleoffaceprocessing.
Thehistoryofthedevelopmentofcombinedmachinetool
SincetwentiethCentury70years,withthedevelopmentofindexabletool,densegearmiller,boringsizeautomaticdetectionandautomatictoolcompensationtechnology,themachiningaccuracyofmachinetoolisimproved.Millingplaneisupto0.05mm/1000mm,surfaceroughnesscanbeaslowas2.5~0.63micron;boringprecisioncanreachIT7~6,theprecisionoftheholedistanceofupto0.03~0.02micron.
Combinationmachinetoolistheearliestin1911intheUnitedStatesmade,fortheprocessingofautoparts.Atthebeginningofthemachine,factorygeneralstandardcomponentsoftheir.Inordertoimprovetheuniversalinterchangeabilityofcomponentsofdifferentfactory,isconvenientforuserstouseandrepair,theUnitedStatesofAmerica1953FordandgeneralmotorsmanufacturingplantinconsultationwiththeUnitedStatesmachine,generalmachinepartsstandardizationprinciplewasdetermined,thestrictprovisionsofthecomponentsofthecontactsize,butdidnotmakeprovisionforpartstructure.
Inourcountry,thedevelopmentofmodularmachinetoolhas28yearsofhistory,isthefoundationofitsscientificresearchandproduction,applicationhaspenetratedintomanyindustries.Isthemachinerymanufacturingindustrytorealizetheproductupdates,technicalinnovation,improveproductionefficiencyisoneoftheessentialequipmentandhigh-speeddevelopment.
Fromtheendof2002twenty-firstJapanInternationalMachineToolFairwasinformed,themostadvancedmachinetoolsintheworldmorethan10countriesandregionsmorethan500manufacturersofmachinetoolsandgroupshow,superhighspeedandhighprecisionprocessingtechnologyandequipmentandcomposite,multi-functional,multi-axiscontrolequipmentandotherpopular.MachiningcenteroftheExpo,thespindlespeedis10000~20000r/min,themaximumspeedcanreach20~60m/min;composite,multi-functional,multi-axiscontrolequipmentisalsooptimisticaboutthefuture.Continuetoimprove,inthedegreeofintegrationofpartstoreducethenumberofatthesametime,theshapeismorecomplexprocessing.
Thedevelopmentofmodularmachinetoolinthefuturewillbemorebytheelectricmotorandballscrewdrive,tosimplifythestructure,shortentheproductioncycletime;automaticreplacementsystemusingdigitalcontrolsystemandthespindlebox,fixture,inordertoimprovetheprocessadjustability;flexiblemanufacturingsystemsandinto.
Combinationmachinepartsclassification
Generalpartsaccordingtothefunctioncanbedividedintopowercomponents,supportingparts,transmissionparts,controlpartsandaccessoriesforfive.
Thepowerunitisusedtotransferpower,realizethegeneralpartsworkmovement.Itprovidesthemainmovementandfeedmovementtool,isthemaingeneralcomponentscombinationmachinetoolsandautomaticline.Mainpowerbox,withavarietyofcraftpowerheadandpowerslide.
Supportingcomponentsarecommoncomponentsinstalledpowercomponents,transmissionpartsetc..Itincludessidebase,intermediatebase,column,columnbase,supportetc..Itisafundamentalcomponentofcombinedmachinetool,machinetoolpartsbetweentherelativepositionsoftherigidityofthemainrelyonittoensure.
Transmissionpartsisusedtotransporttheworkpieceorspindleboxtotheprocessingstationcomponents,withpositioningandclampingdevice,fortheinstallationoftheworkpieceandtransportedtoapredeterminedpositionofgeneralparts.Mainrotarytable,rotarydrumandthereciprocatingtableetc..
Thecontrolunitisusedtocontrolthemachineautomaticworkcyclecomponents,hydraulicstation,electricalcabinetsandcontroltable.Auxiliarycomponentswithlubricationdevice,coolingdeviceandchipremovaldeviceetc..
Auxiliarydevicemainlycomprisesapositioning,intensify,lubrication,cooling,cuttingandcleaningmachineautomaticlineandotherauxiliarydevice.
Thedevelopmentofmodularmachinetool
Inordertomakethecombinationmachinetoolcanbeusedinsmallbatchproduction,oftenrequiretheapplicationofgrouptechnology,parts,structureandsimilarprocessesinacentralizedmodularmachinetool,inordertoimprovethemachiningefficiency.Thismachinehastwokindsofcommon,canchangethespindleboxcombinationmachinetoolsandmachinetoolturret.
Thedevelopmentofmodularmachinetoolinthefuturewillbemorebytheelectricmotorandballscrewdrive,tosimplifythestructure,shortentheproductioncycletime;automaticreplacementsystemusingdigitalcontrolsystemandthespindlebox,fixture,inordertoimprovetheprocessadjustability;flexiblemanufacturingsystemsandinto.
Insmallbatchproductionisacombinationofmachinetoolandhowtouse?
Modularmachinetoolisbasedoncommoncomponents,withaspecialdesignaccordingtotheworkpiecespecificshapeandprocessandfixture,consistingofsemi-automaticorautomaticmachinetool.Itusuallyadoptsthemulti-axis,knife,multi-operation,polygonalormultistageandprocessing,productionefficiencyseveraltimestoseveraltimeshigherthanthegeneralmachinetool.Duetothecommonpartshavebeenstandardizedandserialized,canaccordingtoneedflexibleconfiguration,canshortendesignandmanufacturingcycle.Therefore,thecombinationmachinehastheadvantagesoflowcostandhighefficiency,hasbeenwidelyusedinlargequantity,massproduction,andcanbeusedtocomposetheautomaticproductionline.
Combinationmachinetoolsforprocessinggeneralboxorspecialshapeofparts.Processing,workpieceisgenerally
- 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:
- Combination machine tool