基于solidworks机床夹具设计外文翻译__1.docx

《基于solidworks机床夹具设计外文翻译__1.docx》由会员分享，可在线阅读，更多相关《基于solidworks机床夹具设计外文翻译__1.docx（26页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、基于solidworks机床夹具设计外文翻译_基于solidworks机床夹具设计外文翻译基于solidworks机床夹具设计外文翻译2604130359CNCCuttingTechnologyReviewNumericalcontrolhighspeedcuttingtechnology(HighSpeedMachining,HSM,orHighSpeedCutting,HSC),isoneoftheadvancedmanufacturingtechnologytoimprovethemachiningefficiencyandquality,thestudyofrelatedtechnol

2、ogyhasbecomeanimportantresearchdirectionofadvancedmanufacturingtechnologyathomeandabroad.Chinaisabigmanufacturingcountry,intheworldofindustrytransfertoacceptthefrontinsteadofback-endofthetransfer,tomasterthecoretechnologyofadvancedmanufacturing,orinanewroundofinternationalindustrialstructureadjustme

3、nt,ourcountrymanufacturingindustrywillfurtherbehind.Imminentresearchonthetheoryandapplicationofadvancedtechnology.1,high-speedCNCmachiningmeaningHighspeedcuttingtheoryputforwardbytheGermanphysicistCarl.J.Salomoninthelastcenturyandearlythirtys.Heconcludedbyalotofexperiments:inthenormalrangeofcuttings

4、peed,cuttingspeediftheincrease,willcausethecuttingtemperaturerise,exacerbatingthewearofcuttingtool;however,whenthecuttingspeedisincreasedtoacertainvalue,aslongasmorethantheinflectionpoint,withtheincreaseofthecuttingspeed,cuttingtemperaturecannotrise,butwilldecline,soaslongasthecuttingspeedishighenou

5、gh,itcanbesolvedverywellinhighcuttingtemperaturecausedbytoolwearisnotconducivetothecuttingproblem,obtainedgoodprocessingefficiency.Withthedevelopmentofmanufacturingindustry,thistheoryisgraduallypaidmoreattentionto,andattractedalotofattention,onthebasisofthistheoryhasgraduallyformedthefieldofhigh-spe

6、edcuttingtechnologyofNC,relativelyearlyresearchonNCHigh-speedMachiningTechnologyindevelopedcountries,throughthetheoreticalbasisoftheresearch,basicresearchandappliedresearchanddevelopmentapplication,atpresentapplicationshaveenteredthesubstantivestageinsomeareas.Thehigh-speedcuttingprocessingcategory,

7、generallyhavethefollowingseveralkindsofclassificationmethods,oneistoseethatcuttingspeed,cuttingspeedoverconventionalcuttingspeedis5-10timesofhighspeedcutting.Alsohasthescholartospindlespeedasthedefinitionofhigh-speedprocessingstandards,thatthespindlespeedishigherthanthatof8000r/minforhighspeedmachin

8、ing.Andfromthemachinetoolspindledesignpointofview,withtheproductofDNdiameterofspindleandspindlespeed,ifthevalueofDNto(52000)*105mm.r/min,isconsideredtobeofhighspeedmachining.Inpractice,differentprocessingmethods,differentmaterials,highspeedcuttingspeedcorrespondingtodifferent.Isgenerallybelievedthat

9、theturningspeedof(7007000)m/min,millingspeedreachesm/min(3006000),thatisinthehigh-speedcutting.Inaddition,fromthepracticalconsiderations,high-speedmachiningconceptnotonlycontainsthehighspeedcuttingprocess,integrationandoptimizationalsocontainstheprocessofcutting,isa基于solidworks机床夹具设计外文翻译基于solidworks

10、机床夹具设计外文翻译canobtaingoodeconomicbenefitsandhighspeed,istheunityoftechnologyandbenefit.High-speedcuttingtechnologyisinthemachinetoolstructureandmaterials,machinetooldesign,manufacturingtechnology,high-speedspindlesystem,highperformanceandfastfeedingsystem,ahighperformanceCNCsystem,toolholdersystem,hig

11、hperformancetoolmaterialandtooldesignandmanufacturingtechnology,highefficiencyandhighprecisionmeasurementandtestingtechnology,themechanismofhighspeedcutting,highspeedcuttingprocessandotherrelatedhardwareandsoftwaretechnologyarefullyintegratedintothedevelopmentfoundation.Therefore,highspeedcuttingtec

12、hnologyisacomplexsystemengineering,isawiththerelatedtechnologydevelopmentandthedevelopmentoftheconceptof.2,thesuperiorityofhigh-speedCNCmachiningDuetothelargeamplitudeoftheincreaseofthecuttingspeed,highspeedmachiningtechnologynotonlyimprovesthecuttingproductivity,andcomparedwiththeconventionalcuttin

13、galsohassomeobviousadvantages:first,smallcuttingforce:inhighspeedmilling,cuttingadoptstheformofsmallquantities,highcuttingspeed,thecuttingforceisreducedby30%comparedtotheconventionalcutting,especiallytheradialcuttingforcegreatlyspindlebearing,tool,workpieceisreduced.Bothtoreducetoolwear,andeffective

14、controlofthevibrationmachiningsystem,improvethemachiningaccuracy.Second,thematerialremovalrateishigh:theuseofhighspeedcutting,cuttingspeedandfeedrateareimprovedgreatly,thesametimethematerialremovalrateisimprovedgreatly.Thusgreatlyimprovetheprocessingefficiency.Third,thermaldeformationsmall:inthehigh

15、-speedcutting,cuttingheat,mostofthetimetotheworkpiecebytheoutflowofhigh-speedchipaway,sotheheatingtimeofthemachinedsurfaceisshort,notbecauseofthetemperatureriseleadstothermaldeformation,ishelpfultoimprovethesurfaceaccuracy,physicalandmechanicalpropertiesofthemachinedsurfaceprocessingmethodisbetterth

16、anthecommon.Fourth,highprecisionmachining:highspeedcuttingusuallyfeedisrelativelysmall,sothatthemachinedsurfaceroughnessisgreatlyreduced,atthesametimeasthecuttingforceissmallerthantheconventionalvibrationcutting,machiningsystemisreduced,themachiningprocessmoresmoothly,sothatgoodquality,canrealizehig

17、haccuracy,lowdegreeofroughmachining.Fifth,thegreenenvironmentalprotection:whenhighspeedcutting,workpiecemachiningtimeisshortened,theuseofenergyandequipmentrate,highprocessingefficiency,lowprocessingenergyconsumption,atthesametime,duetothehighspeedcuttingcanbeachievedevenwithoutdrycutting,reducethecu

18、ttingfluid,reducepollutionandconsumption.Researchandapplicationofnumericalcontrolhighspeedcuttingtechnology,3Inviewoftheabovecharacteristicsofhighspeedmachining,thetechnologyhasgreatapplicationpotentialinthefieldoftraditionalprocessingweak.Firstofall,theworkpieceforthin-wallpartsandslender,usesthehi

19、gh-speedcutting,thecuttingforceissignificantlyreduced,theheatischippingaway,canbeverygoodforusingthetraditionalmethodofthedeformationproblemcausedduetotheinfluenceofcuttingforceandcuttingheat,greatlyimprovingtheprocessing基于solidworks机床夹具设计外文翻译基于solidworks机床夹具设计外文翻译quality.Secondly,becauseofthecuttin

20、gresistanceissmall,toreducetoolwear,materialsofhighmanganesesteel,hardenedsteel,austeniticstainlesssteel,compositematerials,wear-resistantcastironisdifficulttobeprocessedbytraditionalmethods,canbestudiedusingnumericalcontrolhighspeedcuttingtechnologytoprocess.Inaddition,intheautomotive,aerospace,mol

21、d,manufacturingfield,someintegralcomponentsrequirerelativelylargematerialremovalrate,thefeedspeedCNChighspeedcuttingwiththecuttingspeedincreaseandthecorrespondingincreaseinunittime,sothatthematerialremovalrateisgreatlyimproved,thusinthemoldmanufacturing,automobilemanufacturing,aerospacemanufacturing

22、applicationofnumericalcontrolhighspeedcuttingtechnology,willproducetheenormouseconomicbenefits.Fourth,becauseofthehigh-speedcutting,machiningprocessisstable,thevibrationissmall,comparedwiththeconventionalcutting,highspeedcuttingcansignificantlyimprovetheprecisionof12,canbecancelledcompletelyfinishin

23、g,andsubsequent,adoptnumericalcontrolhighspeedcuttingtechnology,canachieveandrough,finishingontheoverallstructureofcomplexpartsinamachine,reducesthelikelihoodoflocatingerrortransferprocess,whichisalsoconducivetoimprovethemachiningaccuracy.Therefore,highspeedcuttingtechnologyhasawideapplicationprospe

24、ctinprecisionmanufacturing.Aluminiummouldsuchasabusinessprocess,themoldcavitylengthis1500mm,therequiredsizeerrorof0.05mm,surfaceroughnessRa0.8m,manufacturingprocesstheoriginal:roughplaning-semifinishplaning-finishing-Manualscraping-manualpolishing,manufacturingcycleis60hours.Usinghighspeedmilling,af

25、tersemi-finishmachiningandfinishmachining,theprocessingcycleisonly6hours,notonlyimproveefficiency,butalsogreatlyimprovethequalityofmold.4,researchonKeyTechnologiesofhigh-speedCNCmachiningNCHigh-speedmachiningisacomplexsystemsengineering,involvescuttingmechanism,cuttingmachine,cutter,cuttingprocessmo

26、nitoringandprocessingtechnologyandotherrelatedhardwareandsoftwaretechnology,implementationanddevelopmentofnumericalcontrolhighspeedcuttingtechnology,relyonthissystemofvariouselements,thekeytechnologytorealizehigh-speedCNCcuttingtechnologycannotdowithout,specificallyinthefollowingaspects:1)themechani

27、smofhighspeedcutting:thevariousmaterialsinhighspeedmachiningconditions,thechipformationmechanism,variationofcuttingforce,cuttingheat,toolwearpatternsandeffectsonthesurfacequality,thebasictheoryaboveexperimentsandresearch,willbeconducivetopromotingthehigh-speedcuttingprocessfordeterminingandcuttingth

28、eamountofchoice,andprovideatheoreticalbasisfortheprocessingofspecificpartsandmaterialformulation,whichbelongstothetechnicalprinciple.Atpresent,todeterminetheprocessspecificationofhighspeedcuttingandcuttingferrousmetalsanddifficulttomachinematerials,isoneofthedifficultiesintheproductionofhigh-speedcu

29、tting,andisalsothefocusofresearchinthefieldofhighspeedmachining.2)technologyofhighspeedcuttingmachinetoolmodule:high-speedcuttingmachineneeds基于solidworks机床夹具设计外文翻译基于solidworks机床夹具设计外文翻译high-speedspindlesystem,feedingsystemandhigh-speedCNCcontrolsystem.Abletoworkinveryhighspeedunderthehigh-speedproce

30、ssingrequirementsofspindleunit,theabovegeneralspindlespeed10000r/min,someevenashighas60000-100000r/min,andtoensuregooddynamicandthermalproperties.Thekeypartisthemainshaftbearing,itdecidesthelifeofhigh-speedspindleandloadcapacity,oneofthecorecomponentsandhigh-speedcuttingmachinetoolspindlestructure,i

31、mprovementandperformanceimprovementisoneofthemostimportanttechnologyofhigh-speedmachinetools.Anotherimportantelementofthetechnologyishighspeedfeedsystem.Withthedevelopmentofmachinetoolspindlespeedincreasing,inordertoensureeachcutterteethorfeedingamountperrotationinvariant,machinetoolfeedspeedandacce

32、lerationisalsoacorrespondingincrease,thesametimetoimprovetravelspeed.Therefore,machinetoolfeedsystemmustmovequicklyandfastandaccuratepositioning,whichisobviouslyonthemachinetoolguide,servosystem,workingtable,putforwardnewandhigherrequirements,isthekeytechnologyofhigh-speedmachinetooltechnologycontro

33、lunit.3)thehighspeedcuttingtooltechnologymodule:high-speedmachiningprocesssystemcomposedofmachinetools,toolandworkpiece,toolisthemostactivefactor.Thecuttingtoolisoneofthekeytechnologytoensurehighspeedcuttingsmoothly.Withthesubstantialincreaseofcuttingvelocity,haveputforwarddifferentfromtraditionalsp

34、eedcuttingrequirementsofcuttingtoolmaterials,geometricparametersofcuttingtool,cutterbodystructure,highspeedcuttingtoolmaterialandtoolmanufacturingtechnologyhasundergonetremendouschanges,high-speedmachining,toensureproductivityandhighmachiningprecision,butalsototoensuresafetyandreliability.Therefore,

35、highspeedcuttingtoolsystemmustmeetwithaclamprepeatpositioningaccuracyofgeometricaccuracygoodandhighloading,clampingrigidity,goodhighspeedwhentheequilibriumstateandsafeandreliable.Asfaraspossibletoreducetheknifebodyquality,inordertoreducethehighspeedrotatingcentrifugalforcebysecurity,meettherequireme

36、ntforhighspeedcuttingtool,clampingmethodimprovement.Technologyresearchanddevelopmenttoolsystemisoneofthekeytasksofhigh-speedCNCmachining.4)numericalcontrolhighspeedcuttingprocess:highspeedcuttingasanewcuttingmethod,tobeappliedtoactualproduction,thelackofapplicationexamplesforreference,nottheamountof

37、cuttingandprocessingparameterdatabase,parameteroptimizationtechnologyofhighspeedmachiningisoneofthekeytechnologiesofthecurrentconstraintsshouldbeused.Inaddition,thehigh-speedcuttingpartsNCprogrammustensurestableloadinthewholecuttingprocess,butmostCNCsoftwareisnowusedintheautomaticprogrammingfunction

38、stillcannotmeettherequirements,needstobeaddedandoptimizedbymanualprogramming,whichreducesthehighspeedcuttingvalueinacertainextent,muststudyanewprogrammingmethod,sothatthecuttingdatapowercharacteristiccurveforhighspeedspindle,givefullplaytotheadvantagesofnumericalcontrolhighspeedcutting.Developmentan

39、dcomprehensivedevelopmentandapplicationofhighspeedmachining基于solidworks机床夹具设计外文翻译基于solidworks机床夹具设计外文翻译technologydependsonthekeytechnologyoftheaboveprinciples,machinetool,cuttingtool,theprocessofthe.Researchstatusanddevelopmenttrendofhighspeedcuttingtechnology,5Duetothehighspeedcuttinghasgreatpotent

40、ialinimprovingproductionefficiency,hasalreadybecomeimportanttechnologiesinthefieldofcompetingfortheUnitedStatesandJapan,Germanyandothercountries.TheUnitedStatesJapanasearlyasthe60century,startedtostudyonthemechanismofhighspeedcutting.Thelastcentury70s,theUnitedStateshasdevelopedhigh-speedmillingmach

41、inemaximumspeedofupto20000r/min.Now,EuropeandtheUnitedStatesandotherdevelopedcountriestheproductionofdifferentspecificationsofthevarioushigh-speedmachinetoolhasthecommercialproductionandintothemarket,theactualapplicationinaircraft,automotiveandmoldmanufacturingindustry.Forexample,manufacturingenterp

42、risesintheAmericanBoeingaircraft,hasadoptedthehigh-speedCNCmachiningtechnologytomachiningintegralsuperhigh-speedmillingofaluminumalloy,titaniumalloythin-walledstructureandthewaveguide,flexiblegyroscopeframeoftheordinarymethodofparts.Inrecentyears,theUnitedStates,Europe,Japanandothercountriesofthenew

43、generationofNCmachinetools,high-speedmachiningcenter,highspeedtoolsystemandindustrializationprocessfurtherspeedupthepace,thespecializedproductionelectricspindletechnologyandhighperformanceproductsincrease;toolsystemtechnologyofhighperformancerapiddevelopment;applicationoflinearmotorinhighspeedfeedsy

44、stem.Ourcountryintheresearchanddevelopmentofhighspeedcuttingtechnology,manyuniversitiesandresearcheffortsandexploration,includingcuttingmechanism,cuttingtoolmaterial,spindlebearing,etc.,havealsomadeconsiderableachievements.However,comparedwithdevelopedcountries,thereisstillabiggap,basicallystillinth

45、eresearchstageoflaboratory.Inordertomeettheneedsofeconomicandsocialdevelopment,tomeettheneedsofaerospace,automobile,moldandotherindustry,NCApplicationResearchofhigh-speedcuttingtechnologyhasalongwaytogo.Atpresent,theresearchofhigh-speedcuttingtechnologyhasbeentotheapplicationstagefromthestageofexper

46、iment.Researchintheapplicationofincludestwoaspects:oneisthebasictheoreticalresearchonthekeytechnologyofhighspeedmachining,includinghighspeedspindleunitandahighspeedfeedunit,realizingthelocalizationofhigh-speedmachinetool.Ontheotherhand,basedonexistinglaboratorypracticetechnology,applicationofprocess

47、performanceandprocessscope.Amongthem,researchonthehighspeedcuttingprocessisoneofthemostactiveresearchareasatpresent,themaingoalistodirectlyprocessthroughadvancedequipmenttestingorimport,processingtechnologytoresolvetheissueofkeyparts,thedevelopmentandperfectionofthehigh-speedcuttingmethodofspecialma

48、terials;researchanddevelopmenttoadapttotheCAD/CAMsoftwaresysteminhighspeedmachiningandpostprocessingsystem,theprocessingstatesafetymonitoringsystembasedonanewdetectiontechnology.基于solidworks机床夹具设计外文翻译基于solidworks机床夹具设计外文翻译Whenweenteredthetwenty-firstCentury,fromtheobservationoftheworld,weareintheadv

49、ancedmanufacturingtechnologyunprecedentedrapiddevelopmentperiod.DuetotheadventofCNCmachinetool(NC),thedevelopmentofaseriesofCNCmachining,suchasmachiningcenter(MC),flexiblemanufacturingunitofflexiblemanufacturingsystem(FMS),computerintegratedmanufacturingsystem,andeventheemergenceofvirtualaxismachinetooliscompletelydifferentwiththetraditionalmachine(alsoknownasthesixlegsmachine),closelyandmachinetoolatthesametimecomplementeachotherupthedevelopmentofhighspeedmachiningtechnology,newtools,newtechnolog