外文翻译--高速切削加工在模具制造中的新应用.doc

附录附录1英文原文：High-speedcuttingprocessinginmoldmanufactureapplicationA.J.G.Nuttall*,G.LodewijksAbstractThecurrentmoldapplicationiswidespread,alsohadtheverybigdevelopmentwithitrelateddiemakingtechnology.Atpresent,usedthehigh-speedcuttingproductionmoldalreadytobecomethediemakingthegeneraltrend.InsomemoldManufacturer,thehighspeedenginebedbigareasubstitutionelectricaldischargemachine,thehigh-speedcuttingproductionmoldalreadygraduallybecamethediemakingthegeneraltrend.Itcanimprovemoldssize,theshapeandthesurfaceroughness,reducesevenomitsthemanualsharpening,thusreducesproductioncostandthereductionmanufacturingcycle.Thisarticlethroughtothetraditionalmoldprocessingcraftandthehighspeedmoldprocessingcraftscontrast,elaboratedthehigh-speedcuttingprocessingsuperiority.Inthearticlealsobrieflyintroducedthehigh-speedcuttingprocessingintheprocessingcraftaspectkeytechnologies.KeywordsHigh-speedcuttingGrindingtoolGrindingtoolprocessingProcesstechnology1Introduction1.1IntroductionAlongwiththeadvanceintechnologyandtheindustryswiftdevelopment,themoldalreadybecameintheindustrialproductiontousetheextremelywidespreadmaincrafttoequipnow.Themoldtakestheimportantcraftequipment,inIndustrysectorsandsoonconsumable,electricapplianceelectron,automobile,airplanemanufactureholdsthepivotalstatus.Themanufacturedproductscomponentsroughmachining75%,theprecisionwork50%andtheplasticparts90%willcompletebythemold.AtpresenttheChinesemoldmarketdemandhasreached50,000,000,000Yuanscales,ourcountrydiemakingmarketpotentialishuge.Themoldisonekindofspecial-purposetool,usesinforming()eachmetalorthenonmetallicmaterialneedsthecomponentstheshapeproduct,thiskindofspecial-purposetoolgeneraldesignationmold.Themoldisintheindustrialproductionthemostfoundationequipment,isrealizesthefewcuttingsandthenon-cuttingessentialtool.Themoldhaswidelyusedintheindustrialproductioneachdomain,liketheautomobile,themotorcycle,thedomesticelectricappliances,theinstrument,themeasuringappliance,theelectronandsoon,inthem60%80%componentsneedthemoldtocarryonthemanufacture；Thehighlyeffectiveproductioninenormousquantitiess,bolt,nutandgasketstandardlettersandsoonplasticalsoneedthemoldtoproduce；Theengineeringplastics,thepowdermetallurgy,therubber,thealloycompressioncasting,theglassformationandsoonneedtousethemoldtotakeshape.1.2High-speedcuttingprocesstechnologyAsthenamesuggests,thehigh-speedcutting,firstisthehighspeed,namelymusthavethehighspindlespeed,forinstance12000r/min,18000r/min,30000r/min,40000r/min,evenalsohadahigherrotationalspeedstillintheexperiment；Ontheotherhand,shouldalsohavethebiggertofeedquantity,like30000mm/min,40000mm/min,even60000mm/min；Hasisafteragaintherapidtraverse,tradesfasttheknife,themainaxletradetheknife,fromthestaticstatearrivesitsneedsrotationalspeedrisetimeandsoon,onlythenachievedtheabovestandardstobeabletocallithighspeed.Nextismustaimatthedifferentprocessingobject,thedifferentdegreeofhardness,thedifferentmaterialquality,thedifferentshapetochoosethecorrespondingreasonableparameter,butcannotpursueconstantlytobehighspeedandbehighspeed,regardingthediespaceprocessing,theshapeisspeciallycomplex,butthecuttingtooldiameterisalsosmalltime,becausecuttingtoolspathisnotthesimpletranslation,butisthecurve,evenhasrightanglecornertime,technologicalparameterrationalespeciallyimportant,ifbecausewantstomaintaintheidenticalfeedratecarriesontheorthogonalcutting,willnotbeabletodowellwillcauseasaresultoftheenginebedmovingpartshugeinertiathecuttingtoolwillmakewhenthebendanglemovementtobreaksuddenly,butthevariablemotioncan,becauseMovementsandsoonaccelerationanddecelerationcreatethethicknessofcuttingtheinstantaneouschange,butcausesthecutterchangetoenabletheworkpiecesurfacetohavecuts,fromthiscausestheprocessingdropinquality,therefore,inviewofthedifferentprocessingobject,needstheprogrammerstochoosethereasonablecuttingtoolpath,optimizedcuttingparameter；Ontheotherhand,accordingtoneedstochoosethesuitablecuttingvelocity,onlythencandisplaythehigh-speedcuttingtrulylikethestrongpoint.Thehigh-speedcutting(HSC)isanadvancedtechniqueofmanufacturewhichforthepasttenyearsrapidlyrises.Becausethehigh-speedcuttingtechnologyhasthecuttingefficiencytobehigh,theprocessingqualityhigh,canprocessthehardsteelstockandthegoodefficiencydirectly,causesprofessionandsoonaviation,mold,automobile,lightindustryandinformationproductionefficienciesandthemanufacturequalityobviouslyenhances,andcausestheprocessingcraftandtheequipmentcorrespondingrenewal.Thereforeissimilartothenumericalcontroltechnologyisthesame,thehigh-speedcuttingandthehighspeedprocessinghavebecomeinthe21stcenturyamachine-buildingindustryinfluenceprofoundtechnologicalrevolution.Atpresent,adaptstheHSCrequesthighspeedmachiningcenterandotherhighspeednumerically-controlledmachinetoolhasassumedthepopularizationtendencyinthedevelopedcountry,ourcountryrecentlyisalsospeedingupthedevelopment.Thehigh-speedcuttingprocessingisfacesforthe21stcenturyahightechnologyandnewtechnology,itisonekindisdifferentwiththetraditionalprocessingprocessingway.Compareswithit,thehigh-speedcuttingprocessingmainaxlerotationalspeedhigh,cutshighforthespeed,thecuttingquantityissmall,butintheunittimematerialexcisesthequantitytoincrease36timesactually.Ittakethehighefficiency,thehighaccuracyandthehighsurfacequalityasthebasiccharacteristic,inprofessionandsooninautomobileindustry,aerospace,moldmanufactureandinstrumentmeasuringappliancehasobtainedtheincreasinglywidespreadapplication,andhasobtainedthesignificanttechnologyeconomicefficiency,isthecontemporaryadvancedmanufacturetechnologyimportantconstituent.Whenwithtraditionalwayprocessingmold,oftenusestheelectricsparkmachining,buttheelectrodedesignandmakesitselfisthetechnologicalprocesswhichtime-consumingtakesthetrouble.Butafterusesthehigh-speedcuttingprocessing,becausethenarrowandsmallregionprocessingrealizationandthehighgradesuperficialresult,lettheelectrodetheutilizationratioreducegreatly.Moreover,makestheelectrodewiththehighspeedmillalsotobepossibletomaketheproductionefficiencytoenhancetoanewscale.Themajorpartmoldmayusethehigh-speedcuttingtechnologytoprocess,liketheforgingdie,thecompressioncastingmold,castwiththeblowmoldingmoldandsoon.Hammersthecavitybodyshallowly,thecuttingtoollifeislong；Compressioncastingmoldsizemoderate,theproductivityishigh；Castswiththeblowmoldingmoldgeneralsizesmall,quiteiseconomical.