《基于solidworks机床夹具设计外文翻译详解_.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详解_.docx(26页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、基于solidworks机床夹具设计外文翻译详解_基于solidworks机床夹具设计外文翻译详解基于solidworks机床夹具设计外文翻译详解2604130359CNCCuttingTechnologyReviewNumericalcontrolhighspeedcuttingtechnology(HighSpeedMachining,HSM,orHighSpeedCutting,HSC),isoneoftheadvancedmanufacturingtechnologytoimprovethemachiningefficiencyandquality,thestudyofrelatedt
2、echnologyhasbecomeanimportantresearchdirectionofadvancedmanufacturingtechnologyathomeandabroad.Chinaisabigmanufacturingcountry,intheworldofindustrytransfertoacceptthefrontinsteadofback-endofthetransfer,tomasterthecoretechnologyofadvancedmanufacturing,orinanewroundofinternationalindustrialstructuread
3、justment,ourcountrymanufacturingindustrywillfurtherbehind.Imminentresearchonthetheoryandapplicationofadvancedtechnology.1,high-speedCNCmachiningmeaningHighspeedcuttingtheoryputforwardbytheGermanphysicistCarl.J.Salomoninthelastcenturyandearlythirtys.Heconcludedbyalotofexperiments:inthenormalrangeofcu
4、ttingspeed,cuttingspeediftheincrease,willcausethecuttingtemperaturerise,exacerbatingthewearofcuttingtool;however,whenthecuttingspeedisincreasedtoacertainvalue,aslongasmorethantheinflectionpoint,withtheincreaseofthecuttingspeed,cuttingtemperaturecannotrise,butwilldecline,soaslongasthecuttingspeedishi
5、ghenough,itcanbesolvedverywellinhighcuttingtemperaturecausedbytoolwearisnotconducivetothecuttingproblem,obtainedgoodprocessingefficiency.Withthedevelopmentofmanufacturingindustry,thistheoryisgraduallypaidmoreattentionto,andattractedalotofattention,onthebasisofthistheoryhasgraduallyformedthefieldofhi
6、gh-speedcuttingtechnologyofNC,relativelyearlyresearchonNCHigh-speedMachiningTechnologyindevelopedcountries,throughthetheoreticalbasisoftheresearch,basicresearchandappliedresearchanddevelopmentapplication,atpresentapplicationshaveenteredthesubstantivestageinsomeareas.Thehigh-speedcuttingprocessingcat
7、egory,generallyhavethefollowingseveralkindsofclassificationmethods,oneistoseethatcuttingspeed,cuttingspeedoverconventionalcuttingspeedis5-10timesofhighspeedcutting.Alsohasthescholartospindlespeedasthedefinitionofhigh-speedprocessingstandards,thatthespindlespeedishigherthanthatof8000r/minforhighspeed
8、machining.Andfromthemachinetoolspindledesignpointofview,withtheproductofDNdiameterofspindleandspindlespeed,ifthevalueofDNto(52000)*105mm.r/min,isconsideredtobeofhighspeedmachining.Inpractice,differentprocessingmethods,differentmaterials,highspeedcuttingspeedcorrespondingtodifferent.Isgenerallybeliev
9、edthattheturningspeedof(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详解基于so
10、lidworks机床夹具设计外文翻译详解canobtaingoodeconomicbenefitsandhighspeed,istheunityoftechnologyandbenefit.High-speedcuttingtechnologyisinthemachinetoolstructureandmaterials,machinetooldesign,manufacturingtechnology,high-speedspindlesystem,highperformanceandfastfeedingsystem,ahighperformanceCNCsystem,toolholder
11、system,highperformancetoolmaterialandtooldesignandmanufacturingtechnology,highefficiencyandhighprecisionmeasurementandtestingtechnology,themechanismofhighspeedcutting,highspeedcuttingprocessandotherrelatedhardwareandsoftwaretechnologyarefullyintegratedintothedevelopmentfoundation.Therefore,highspeed
12、cuttingtechnologyisacomplexsystemengineering,isawiththerelatedtechnologydevelopmentandthedevelopmentoftheconceptof.2,thesuperiorityofhigh-speedCNCmachiningDuetothelargeamplitudeoftheincreaseofthecuttingspeed,highspeedmachiningtechnologynotonlyimprovesthecuttingproductivity,andcomparedwiththeconventi
13、onalcuttingalsohassomeobviousadvantages:first,smallcuttingforce:inhighspeedmilling,cuttingadoptstheformofsmallquantities,highcuttingspeed,thecuttingforceisreducedby30%comparedtotheconventionalcutting,especiallytheradialcuttingforcegreatlyspindlebearing,tool,workpieceisreduced.Bothtoreducetoolwear,an
14、deffectivecontrolofthevibrationmachiningsystem,improvethemachiningaccuracy.Second,thematerialremovalrateishigh:theuseofhighspeedcutting,cuttingspeedandfeedrateareimprovedgreatly,thesametimethematerialremovalrateisimprovedgreatly.Thusgreatlyimprovetheprocessingefficiency.Third,thermaldeformationsmall
15、:inthehigh-speedcutting,cuttingheat,mostofthetimetotheworkpiecebytheoutflowofhigh-speedchipaway,sotheheatingtimeofthemachinedsurfaceisshort,notbecauseofthetemperatureriseleadstothermaldeformation,ishelpfultoimprovethesurfaceaccuracy,physicalandmechanicalpropertiesofthemachinedsurfaceprocessingmethod
16、isbetterthanthecommon.Fourth,highprecisionmachining:highspeedcuttingusuallyfeedisrelativelysmall,sothatthemachinedsurfaceroughnessisgreatlyreduced,atthesametimeasthecuttingforceissmallerthantheconventionalvibrationcutting,machiningsystemisreduced,themachiningprocessmoresmoothly,sothatgoodquality,can
17、realizehighaccuracy,lowdegreeofroughmachining.Fifth,thegreenenvironmentalprotection:whenhighspeedcutting,workpiecemachiningtimeisshortened,theuseofenergyandequipmentrate,highprocessingefficiency,lowprocessingenergyconsumption,atthesametime,duetothehighspeedcuttingcanbeachievedevenwithoutdrycutting,r
18、educethecuttingfluid,reducepollutionandconsumption.Researchandapplicationofnumericalcontrolhighspeedcuttingtechnology,3Inviewoftheabovecharacteristicsofhighspeedmachining,thetechnologyhasgreatapplicationpotentialinthefieldoftraditionalprocessingweak.Firstofall,theworkpieceforthin-wallpartsandslender
19、,usesthehigh-speedcutting,thecuttingforceissignificantlyreduced,theheatischippingaway,canbeverygoodforusingthetraditionalmethodofthedeformationproblemcausedduetotheinfluenceofcuttingforceandcuttingheat,greatlyimprovingtheprocessing基于solidworks机床夹具设计外文翻译详解基于solidworks机床夹具设计外文翻译详解quality.Secondly,beca
20、useofthecuttingresistanceissmall,toreducetoolwear,materialsofhighmanganesesteel,hardenedsteel,austeniticstainlesssteel,compositematerials,wear-resistantcastironisdifficulttobeprocessedbytraditionalmethods,canbestudiedusingnumericalcontrolhighspeedcuttingtechnologytoprocess.Inaddition,intheautomotive
21、,aerospace,mold,manufacturingfield,someintegralcomponentsrequirerelativelylargematerialremovalrate,thefeedspeedCNChighspeedcuttingwiththecuttingspeedincreaseandthecorrespondingincreaseinunittime,sothatthematerialremovalrateisgreatlyimproved,thusinthemoldmanufacturing,automobilemanufacturing,aerospac
22、emanufacturingapplicationofnumericalcontrolhighspeedcuttingtechnology,willproducetheenormouseconomicbenefits.Fourth,becauseofthehigh-speedcutting,machiningprocessisstable,thevibrationissmall,comparedwiththeconventionalcutting,highspeedcuttingcansignificantlyimprovetheprecisionof12,canbecancelledcomp
23、letelyfinishing,andsubsequent,adoptnumericalcontrolhighspeedcuttingtechnology,canachieveandrough,finishingontheoverallstructureofcomplexpartsinamachine,reducesthelikelihoodoflocatingerrortransferprocess,whichisalsoconducivetoimprovethemachiningaccuracy.Therefore,highspeedcuttingtechnologyhasawideapp
24、licationprospectinprecisionmanufacturing.Aluminiummouldsuchasabusinessprocess,themoldcavitylengthis1500mm,therequiredsizeerrorof0.05mm,surfaceroughnessRa0.8m,manufacturingprocesstheoriginal:roughplaning-semifinishplaning-finishing-Manualscraping-manualpolishing,manufacturingcycleis60hours.Usinghighs
25、peedmilling,aftersemi-finishmachiningandfinishmachining,theprocessingcycleisonly6hours,notonlyimproveefficiency,butalsogreatlyimprovethequalityofmold.4,researchonKeyTechnologiesofhigh-speedCNCmachiningNCHigh-speedmachiningisacomplexsystemsengineering,involvescuttingmechanism,cuttingmachine,cutter,cu
26、ttingprocessmonitoringandprocessingtechnologyandotherrelatedhardwareandsoftwaretechnology,implementationanddevelopmentofnumericalcontrolhighspeedcuttingtechnology,relyonthissystemofvariouselements,thekeytechnologytorealizehigh-speedCNCcuttingtechnologycannotdowithout,specificallyinthefollowingaspect
27、s:1)themechanismofhighspeedcutting:thevariousmaterialsinhighspeedmachiningconditions,thechipformationmechanism,variationofcuttingforce,cuttingheat,toolwearpatternsandeffectsonthesurfacequality,thebasictheoryaboveexperimentsandresearch,willbeconducivetopromotingthehigh-speedcuttingprocessfordetermini
28、ngandcuttingtheamountofchoice,andprovideatheoreticalbasisfortheprocessingofspecificpartsandmaterialformulation,whichbelongstothetechnicalprinciple.Atpresent,todeterminetheprocessspecificationofhighspeedcuttingandcuttingferrousmetalsanddifficulttomachinematerials,isoneofthedifficultiesintheproduction
29、ofhigh-speedcutting,andisalsothefocusofresearchinthefieldofhighspeedmachining.2)technologyofhighspeedcuttingmachinetoolmodule:high-speedcuttingmachineneeds基于solidworks机床夹具设计外文翻译详解基于solidworks机床夹具设计外文翻译详解high-speedspindlesystem,feedingsystemandhigh-speedCNCcontrolsystem.Abletoworkinveryhighspeedunder
30、thehigh-speedprocessingrequirementsofspindleunit,theabovegeneralspindlespeed10000r/min,someevenashighas60000-100000r/min,andtoensuregooddynamicandthermalproperties.Thekeypartisthemainshaftbearing,itdecidesthelifeofhigh-speedspindleandloadcapacity,oneofthecorecomponentsandhigh-speedcuttingmachinetool
31、spindlestructure,improvementandperformanceimprovementisoneofthemostimportanttechnologyofhigh-speedmachinetools.Anotherimportantelementofthetechnologyishighspeedfeedsystem.Withthedevelopmentofmachinetoolspindlespeedincreasing,inordertoensureeachcutterteethorfeedingamountperrotationinvariant,machineto
32、olfeedspeedandaccelerationisalsoacorrespondingincrease,thesametimetoimprovetravelspeed.Therefore,machinetoolfeedsystemmustmovequicklyandfastandaccuratepositioning,whichisobviouslyonthemachinetoolguide,servosystem,workingtable,putforwardnewandhigherrequirements,isthekeytechnologyofhigh-speedmachineto
33、oltechnologycontrolunit.3)thehighspeedcuttingtooltechnologymodule:high-speedmachiningprocesssystemcomposedofmachinetools,toolandworkpiece,toolisthemostactivefactor.Thecuttingtoolisoneofthekeytechnologytoensurehighspeedcuttingsmoothly.Withthesubstantialincreaseofcuttingvelocity,haveputforwarddifferen
34、tfromtraditionalspeedcuttingrequirementsofcuttingtoolmaterials,geometricparametersofcuttingtool,cutterbodystructure,highspeedcuttingtoolmaterialandtoolmanufacturingtechnologyhasundergonetremendouschanges,high-speedmachining,toensureproductivityandhighmachiningprecision,butalsototoensuresafetyandreli
35、ability.Therefore,highspeedcuttingtoolsystemmustmeetwithaclamprepeatpositioningaccuracyofgeometricaccuracygoodandhighloading,clampingrigidity,goodhighspeedwhentheequilibriumstateandsafeandreliable.Asfaraspossibletoreducetheknifebodyquality,inordertoreducethehighspeedrotatingcentrifugalforcebysecurit
36、y,meettherequirementforhighspeedcuttingtool,clampingmethodimprovement.Technologyresearchanddevelopmenttoolsystemisoneofthekeytasksofhigh-speedCNCmachining.4)numericalcontrolhighspeedcuttingprocess:highspeedcuttingasanewcuttingmethod,tobeappliedtoactualproduction,thelackofapplicationexamplesforrefere
37、nce,nottheamountofcuttingandprocessingparameterdatabase,parameteroptimizationtechnologyofhighspeedmachiningisoneofthekeytechnologiesofthecurrentconstraintsshouldbeused.Inaddition,thehigh-speedcuttingpartsNCprogrammustensurestableloadinthewholecuttingprocess,butmostCNCsoftwareisnowusedintheautomaticp
38、rogrammingfunctionstillcannotmeettherequirements,needstobeaddedandoptimizedbymanualprogramming,whichreducesthehighspeedcuttingvalueinacertainextent,muststudyanewprogrammingmethod,sothatthecuttingdatapowercharacteristiccurveforhighspeedspindle,givefullplaytotheadvantagesofnumericalcontrolhighspeedcut
39、ting.Developmentandcomprehensivedevelopmentandapplicationofhighspeedmachining基于solidworks机床夹具设计外文翻译详解基于solidworks机床夹具设计外文翻译详解technologydependsonthekeytechnologyoftheaboveprinciples,machinetool,cuttingtool,theprocessofthe.Researchstatusanddevelopmenttrendofhighspeedcuttingtechnology,5Duetothehighspee
40、dcuttinghasgreatpotentialinimprovingproductionefficiency,hasalreadybecomeimportanttechnologiesinthefieldofcompetingfortheUnitedStatesandJapan,Germanyandothercountries.TheUnitedStatesJapanasearlyasthe60century,startedtostudyonthemechanismofhighspeedcutting.Thelastcentury70s,theUnitedStateshasdevelope
41、dhigh-speedmillingmachinemaximumspeedofupto20000r/min.Now,EuropeandtheUnitedStatesandotherdevelopedcountriestheproductionofdifferentspecificationsofthevarioushigh-speedmachinetoolhasthecommercialproductionandintothemarket,theactualapplicationinaircraft,automotiveandmoldmanufacturingindustry.Forexamp
42、le,manufacturingenterprisesintheAmericanBoeingaircraft,hasadoptedthehigh-speedCNCmachiningtechnologytomachiningintegralsuperhigh-speedmillingofaluminumalloy,titaniumalloythin-walledstructureandthewaveguide,flexiblegyroscopeframeoftheordinarymethodofparts.Inrecentyears,theUnitedStates,Europe,Japanand
43、othercountriesofthenewgenerationofNCmachinetools,high-speedmachiningcenter,highspeedtoolsystemandindustrializationprocessfurtherspeedupthepace,thespecializedproductionelectricspindletechnologyandhighperformanceproductsincrease;toolsystemtechnologyofhighperformancerapiddevelopment;applicationoflinear
44、motorinhighspeedfeedsystem.Ourcountryintheresearchanddevelopmentofhighspeedcuttingtechnology,manyuniversitiesandresearcheffortsandexploration,includingcuttingmechanism,cuttingtoolmaterial,spindlebearing,etc.,havealsomadeconsiderableachievements.However,comparedwithdevelopedcountries,thereisstillabig
45、gap,basicallystillintheresearchstageoflaboratory.Inordertomeettheneedsofeconomicandsocialdevelopment,tomeettheneedsofaerospace,automobile,moldandotherindustry,NCApplicationResearchofhigh-speedcuttingtechnologyhasalongwaytogo.Atpresent,theresearchofhigh-speedcuttingtechnologyhasbeentotheapplicationst
46、agefromthestageofexperiment.Researchintheapplicationofincludestwoaspects:oneisthebasictheoreticalresearchonthekeytechnologyofhighspeedmachining,includinghighspeedspindleunitandahighspeedfeedunit,realizingthelocalizationofhigh-speedmachinetool.Ontheotherhand,basedonexistinglaboratorypracticetechnolog
47、y,applicationofprocessperformanceandprocessscope.Amongthem,researchonthehighspeedcuttingprocessisoneofthemostactiveresearchareasatpresent,themaingoalistodirectlyprocessthroughadvancedequipmenttestingorimport,processingtechnologytoresolvetheissueofkeyparts,thedevelopmentandperfectionofthehigh-speedcu
48、ttingmethodofspecialmaterials;researchanddevelopmenttoadapttotheCAD/CAMsoftwaresysteminhighspeedmachiningandpostprocessingsystem,theprocessingstatesafetymonitoringsystembasedonanewdetectiontechnology.基于solidworks机床夹具设计外文翻译详解基于solidworks机床夹具设计外文翻译详解Whenweenteredthetwenty-firstCentury,fromtheobservati
49、onoftheworld,weareintheadvancedmanufacturingtechnologyunprecedentedrapiddevelopmentperiod.DuetotheadventofCNCmachinetool(NC),thedevelopmentofaseriesofCNCmachining,suchasmachiningcenter(MC),flexiblemanufacturingunitofflexiblemanufacturingsystem(FMS),computerintegratedmanufacturingsystem,andeventheemergenceofvirtualaxismachinetooliscompletelydifferentwiththetraditionalmachine(alsoknownasthesixlegsmachine),closelyandmachinetoolatthesametimecomplementeachotherupthedevelopmentofhighspeedmachiningtechno