外文翻译--高速切削加工在模具制造中的新应用.doc -- 5 元

附录附录1英文原文HighspeedcuttingprocessinginmoldmanufactureapplicationA.J.G.Nuttall,G.LodewijksAbstractThecurrentmoldapplicationiswidespread,alsohadtheverybigdevelopmentwithitrelateddiemakingtechnology.Atpresent,usedthehighspeedcuttingproductionmoldalreadytobecomethediemakingthegeneraltrend.InsomemoldManufacturer,thehighspeedenginebedbigareasubstitutionelectricaldischargemachine,thehighspeedcuttingproductionmoldalreadygraduallybecamethediemakingthegeneraltrend.Itcanimprovemoldssize,theshapeandthesurfaceroughness,reducesevenomitsthemanualsharpening,thusreducesproductioncostandthereductionmanufacturingcycle.Thisarticlethroughtothetraditionalmoldprocessingcraftandthehighspeedmoldprocessingcraftscontrast,elaboratedthehighspeedcuttingprocessingsuperiority.Inthearticlealsobrieflyintroducedthehighspeedcuttingprocessingintheprocessingcraftaspectkeytechnologies.KeywordsHighspeedcuttingGrindingtoolGrindingtoolprocessingProcesstechnology1Introduction1.1IntroductionAlongwiththeadvanceintechnologyandtheindustryswiftdevelopment,themoldalreadybecameintheindustrialproductiontousetheextremelywidespreadmaincrafttoequipnow.Themoldtakestheimportantcraftequipment,inIndustrysectorsandsoonconsumable,electricapplianceelectron,automobile,airplanemanufactureholdsthepivotalstatus.Themanufacturedproductscomponentsroughmachining75,theprecisionwork50andtheplasticparts90willcompletebythemold.AtpresenttheChinesemoldmarketdemandhasreached50,000,000,000Yuanscales,ourcountrydiemakingmarketpotentialishuge.Themoldisonekindofspecialpurposetool,usesinformingeachmetalorthenonmetallicmaterialneedsthecomponentstheshapeproduct,thiskindofspecialpurposetoolgeneraldesignationmold.Themoldisintheindustrialproductionthemostfoundationequipment,isrealizesthefewcuttingsandthenoncuttingessentialtool.Themoldhaswidelyusedintheindustrialproductioneachdomain,liketheautomobile,themotorcycle,thedomesticelectricappliances,theinstrument,themeasuringappliance,theelectronandsoon,inthem6080componentsneedthemoldtocarryonthemanufactureThehighlyeffectiveproductioninenormousquantitiess,bolt,nutandgasketstandardlettersandsoonplasticalsoneedthemoldtoproduceTheengineeringplastics,thepowdermetallurgy,therubber,thealloycompressioncasting,theglassformationandsoonneedtousethemoldtotakeshape.1.2HighspeedcuttingprocesstechnologyAsthenamesuggests,thehighspeedcutting,firstisthehighspeed,namelymusthavethehighspindlespeed,forinstance12000r/min,18000r/min,30000r/min,40000r/min,evenalsohadahigherrotationalspeedstillintheexperimentOntheotherhand,shouldalsohavethebiggertofeedquantity,like30000mm/min,40000mm/min,even60000mm/minHasisafteragaintherapidtraverse,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,optimizedcuttingparameterOntheotherhand,accordingtoneedstochoosethesuitablecuttingvelocity,onlythencandisplaythehighspeedcuttingtrulylikethestrongpoint.ThehighspeedcuttingHSCisanadvancedtechniqueofmanufacturewhichforthepasttenyearsrapidlyrises.Becausethehighspeedcuttingtechnologyhasthecuttingefficiencytobehigh,theprocessingqualityhigh,canprocessthehardsteelstockandthegoodefficiencydirectly,causesprofessionandsoonaviation,mold,automobile,lightindustryandinformationproductionefficienciesandthemanufacturequalityobviouslyenhances,andcausestheprocessingcraftandtheequipmentcorrespondingrenewal.Thereforeissimilartothenumericalcontroltechnologyisthesame,thehighspeedcuttingandthehighspeedprocessinghavebecomeinthe21stcenturyamachinebuildingindustryinfluenceprofoundtechnologicalrevolution.Atpresent,adaptstheHSCrequesthighspeedmachiningcenterandotherhighspeednumericallycontrolledmachinetoolhasassumedthepopularizationtendencyinthedevelopedcountry,ourcountryrecentlyisalsospeedingupthedevelopment.Thehighspeedcuttingprocessingisfacesforthe21stcenturyahightechnologyandnewtechnology,itisonekindisdifferentwiththetraditionalprocessingprocessingway.Compareswithit,thehighspeedcuttingprocessingmainaxlerotationalspeedhigh,cutshighforthespeed,thecuttingquantityissmall,butintheunittimematerialexcisesthequantitytoincrease36timesactually.Ittakethehighefficiency,thehighaccuracyandthehighsurfacequalityasthebasiccharacteristic,inprofessionandsooninautomobileindustry,aerospace,moldmanufactureandinstrumentmeasuringappliancehasobtainedtheincreasinglywidespreadapplication,andhasobtainedthesignificanttechnologyeconomicefficiency,isthecontemporaryadvancedmanufacturetechnologyimportantconstituent.Whenwithtraditionalwayprocessingmold,oftenusestheelectricsparkmachining,buttheelectrodedesignandmakesitselfisthetechnologicalprocesswhichtimeconsumingtakesthetrouble.Butafterusesthehighspeedcuttingprocessing,becausethenarrowandsmallregionprocessingrealizationandthehighgradesuperficialresult,lettheelectrodetheutilizationratioreducegreatly.Moreover,makestheelectrodewiththehighspeedmillalsotobepossibletomaketheproductionefficiencytoenhancetoanewscale.Themajorpartmoldmayusethehighspeedcuttingtechnologytoprocess,liketheforgingdie,thecompressioncastingmold,castwiththeblowmoldingmoldandsoon.Hammersthecavitybodyshallowly,thecuttingtoollifeislongCompressioncastingmoldsizemoderate,theproductivityishighCastswiththeblowmoldingmoldgeneralsizesmall,quiteiseconomical.