切削加工新概念-----外文翻译.docx

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1、英文部分ThenewconceptofcuttingprocessingThenowadayscuttingtoolcompanycannotonlybeagainthemanufactureandthesalescuttingtool,inordertosucceed,theymustbeconsistentwiththeglobalizationmanufacturetendencymaintenance,throughenhancestheefficiency,cooperateswiththecustomerreducesthecost.Approachestheinstantaneo

2、usglobalcompetitionafterthisafterNAFTA,theWTOtime,theworldcompanyismakingquicklytothesamefeeling,islighter,acheaperresponse.Inotherwords,theymaketheproductandthecomponentscontaincaninhighspeedunderrevolve,asaresultofthecostpressure,best,islightermoreovermustmakecheaply.Obtainsthesegoalsabestwayisthr

3、oughdevelopsandappliesthenewmaterial,buttheseisnewandtheimprovementmaterialusuallyallwithdifficultyprocesses.Ininthiskindofcommercialpowerandthetechnicaldifficultycombinationisespeciallyprominentintheautomobileandtheaviationindustry,andhasbecomehastheexperiencethecuttingtoolcompanytoresearchanddevel

4、opthedepartmentthemostimportantdrivinginfluence.Forexample,takesthemodularcastirontosaythat,ithasbecometheenginepartandotherautomobiles,theagriculturethematerialwhichseedaybydaywiththeequipmentandinthemachinetoolindustrycomponents.Thiskindofalloyprovidesthelowproductioncostandthegoodmachinecapabilit

5、ycombination.Theyarecheaperthanthesteelproducts,buthasahigherintensityandtoughnesscomparedtothecastiron.Butatthesametimethemodularcastironisextremelywear-resisting,hasfastbreaksbyrubbingthecuttingtoolmaterialthetendency.Inthiswearresistantverygreatdegreebeadluminousbodycontentinfluence.Someknownmodu

6、larcastironbeadluminousbodycontenthigher,itsresistancetowearbetter,moreoveritsmachinabilityisworse.Moreover,themodularcastironporositycausesoffandontocut,thisevenmorereducesthelife.Mayestimatethat,thehighdegreeofhardnessandthehighwear-resistingcuttingmaterialqualitymustconsiderthemodularcastirontheh

7、ighresistancetowear.AndthematerialqualitycontainsextremelyhardTiCinfact(carbonizedtitanium)orTiCN(carbontitaniumnitrides)thickcoatingwhencuttingspeedeachminute300metersprocessesthemodularcastirontoproveusuallyiseffective.Butalongwithcuttingspeedincrease,scrap/Thecuttingtooljunctionplanetemperatureal

8、soisincreasing.Whenhassuchsituation,theTiCcoatingfavorsinhasthechemicalreactionwiththeironandsoftens,morepressuresfunctioninanti-crescentmoonhollowattritioncoating.Undertheseconditions,hopedhasonechemicalstabilitybettercoating,likeA12O3(althoughunderlowspeedwasinferiortoTiChardoriswear-resisting).Th

9、echemicalstabilitybecomesanimportantperformanceperformancedividinglinecomparedtotheresistancetowearthefactor,thespeedandthetemperatureisdecidedinisprocessedthemodularcastironthecrystalgrainstructureandtheperformance.ButusuallythickcoatingofTiCNandTiCoronlyductileironoxidesinthesoilcoatingisappliedto

10、,becausethetodaymajorityofthiskindsareprocessedthematerialthecuttingspeedineachminute150to335metersbetween.Ishigherthaneachminute300meterapplicationsregardingthespeed,thepeopletothiskindofmaterialaresatisfied.Inordertocausethisscopeperformancetobemostsuperior,themountainhighresearchedanddevelopedand

11、haspromotedinviewofmodularcastironprocessingmaterialqualityTX150.Thiskindofmaterialqualityhashardalsotheanti-distortionsubstrate,isveryidealregardingtheprocessingmodularcastiron.Itscoatingtheoxidecompoundcoatingwhichhollowlywearsbythickverywear-resistingcarbontitaniumnitridesandathinanti-crescentmoo

12、n,thetopisthinlayerTiN.ThiskindofcoatingwhichneedsthecenterwarmchemistrygasphasedepositionusingthestateoftheartproductionresistancetowearandtheanticrescentmoonhollowattritionwhichtheCVDcoatingcompletedegreeofhardnessmoreoverthetoughsmoothnessincreases(MTCVD)thecraft.SubstrateZThecoatingcombinationpe

13、rformancegivestheveryhighanti-plasticdeformationandthecuttingedgemicrocollapsestheability,causesittobecomeunderthenormalspeedtoprocessthemodularcastirontheidealmaterialquality.Thecoatingceramicsalsodisplaycaneffectivelyprocessthemodularcastiron.Inthepast,thealuminumoxideceramicsapplicationwhichnotth

14、ecoatingtoughgoodsuchasnitridingsiliconandthesiliconcarbidetextilefiberstrengthenedtheworkpiecematerialchemistryparalysislimit.Todaybutcouldresistthescrapdistortionprocessthroughtheusetohavethehighthermalcoatingcuttingtoollifealreadyremarkablytoincrease.Butcertainearlythisdomainsworkpieceprocessingu

15、sealuminumoxidesspreadthelayercrystalstohavetostrengthentheceramics,todaymostresearchconcentrateintheTiNcoatingnitridingsilicon.Thiskindofcoatingcanremarkablyopenupthetoughgoodceramicstheapplicationscope.Whenmachining,theworkpiecehasprocessedthesurfaceisdependsuponthecuttingtoolandtheworkpiecemakest

16、herelativemotiontoobtain.Accordingtothesurfacemethodofformation,themachiningmaydivideintotheknifepointpathlaw,theformedcuttingtoollaw,thegeneratingprocessthreekinds.Theknifepointpathlawisdependsupontheknifepointtobeoppositeintheworkpiecesurfacepath,obtainsthesuperficialgeometryshapewhichtheworkpiecerequests,liketheturningouterannulus,theshapingplane,thegrindingouterannulus,withtheprofileturningformingsurfaceandsoon,theknifepointpatharedecidedthecuttingtoolandtheworkpiecerelati

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