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徐州工程学院毕业设计(论文)1英文部分ThenewconceptofcuttingprocessingThenowadayscuttingtoolcompanycannotonlybeagainthemanufactureandthesalescuttingtool,inordertosucceed,theymustbeconsistentwiththeglobalizationmanufacturetendencymaintenance,throughenhancestheefficiency,cooperateswiththecustomerreducesthecost.ApproachestheinstantaneousglobalcompetitionafterthisafterNAFTA,theWTOtime,theworldcompanyismakingquicklytothesamefeeling,islighter,acheaperresponse.Inotherwords,theymaketheproductandthecomponentscontaincaninhighspeedunderrevolve,asaresultofthecostpressure,best,islightermoreovermustmakecheaply.Obtainsthesegoalsabestwayisthroughdevelopsandappliesthenewmaterial,buttheseisnewandtheimprovementmaterialusuallyallwithdifficultyprocesses.Ininthiskindofcommercialpowerandthetechnicaldifficultycombinationisespeciallyprominentintheautomobileandtheaviationindustry,andhasbecomehastheexperiencethecuttingtoolcompanytoresearchanddevelopthedepartmentthemostimportantdrivinginfluence.Forexample,takesthemodularcastirontosaythat,ithasbecometheenginepartandotherautomobiles,theagriculturethematerialwhichseedaybydaywiththeequipmentandinthemachinetoolindustrycomponents.Thiskindofalloyprovidesthelowproductioncostandthegoodmachinecapabilitycombination.Theyarecheaperthanthesteelproducts,buthasahigherintensityandtoughnesscomparedtothecastiron.Butatthesametimethemodularcastironisextremelywear-resisting,hasfastbreaksbyrubbingthecuttingtoolmaterialthetendency.Inthiswearresistantverygreatdegreebeadluminousbodycontentinfluence.Someknownmodularcastironbeadluminousbodycontenthigher,itsresistancetowearbetter,moreoveritsmachinabilityisworse.Moreover,themodularcastironporositycausesoffandontocut,thisevenmorereducesthelife.Mayestimatethat,thehighdegreeofhardnessandthehighwear-resistingcuttingmaterialqualitymustconsiderthemodularcastironthehighresistancetowear.AndthematerialqualitycontainsextremelyhardTiCinfact(carbonizedtitanium)orTiCN(carbontitaniumnitrides)thickcoatingwhencuttingspeedeachminute300metersprocessesthemodularcastirontoproveusuallyiseffective.Butalongwithcuttingspeedincrease,scrap/Thecuttingtooljunctionplanetemperaturealsoisincreasing.Whenhassuchsituation,theTiCcoatingfavorsinhasthechemicalreactionwiththeironandsoftens,morepressuresfunctioninanti-crescentmoonhollowattritioncoating.Undertheseconditions,hopedhasonechemicalstabilitybettercoating,徐州工程学院毕业设计(论文)2likeAl2O3(althoughunderlowspeedwasinferiortoTiChardoriswear-resisting).Thechemicalstabilitybecomesanimportantperformanceperformancedividinglinecomparedtotheresistancetowearthefactor,thespeedandthetemperatureisdecidedinisprocessedthemodularcastironthecrystalgrainstructureandtheperformance.ButusuallythickcoatingofTiCNandTiCoronlyductileironoxidesinthesoilcoatingisappliedto,becausethetodaymajorityofthiskindsareprocessedthematerialthecuttingspeedineachminute150to335metersbetween.Ishigherthaneachminute300meterapplicationsregardingthespeed,thepeopletothiskindofmaterialaresatisfied.Inordertocausethisscopeperformancetobemostsuperior,themountainhighresearchedanddevelopedandhaspromotedinviewofmodularcastironprocessingmaterialqualityTX150.Thiskindofmaterialqualityhashardalsotheanti-distortionsubstrate,isveryidealregardingtheprocessingmodularcastiron.Itscoatingtheoxidecompoundcoatingwhichhollowlywearsbythickverywear-resistingcarbontitaniumnitridesandathinanti-crescentmoon,thetopisthinlayerTiN.Thiskindofcoatingwhichneedsthecenterwarmchemistrygasphasedepositionusingthestateoftheartproductionresistancetowearandtheanti-crescentmoonhollowattritionwhichtheCVDcoatingcompletedegreeofhardnessmoreoverthetoughsmoothnessincreases(MTCVD)thecraft.Substrate/Thecoatingcombinationperformancegivestheveryhighanti-plasticdeformationandthecuttingedgemicrocollapsestheability,causesittobecomeunderthenormalspeedtoprocessthemodularcastirontheidealmaterialquality.Thecoatingceramicsalsodisplaycaneffectivelyprocessthemodularcastiron.Inthepast,thealuminumoxideceramicsapplicationwhichnotthecoatingtoughgoodsuchasnitridingsiliconandthesiliconcarbidetextilefiberstrengthenedtheworkpiecematerialchemistryparalysislimit.Todaybutcouldresistthescrapdistortionprocessthroughtheusetohavethehighthermalcoatingcuttingtoollifealreadyremarkablytoincrease.Butcertainearlythisdomainsworkpieceprocessingusealuminumoxidesspreadthelayercrystalstohavetostrengthentheceramics,todaymostresearchconcentrateintheTiNcoatingnitridingsilicon.Thiskindofcoatingcanremarkablyopenupthetoughgoodceramicstheapplicationscope.Whenmachining,theworkpiecehasprocessedthesurfaceisdependsuponthecuttingtoolandtheworkpiecemakestherelativemotiontoobtain.Accordingtothesurfacemethodofformation,themachiningmaydivideintotheknifepointpathlaw,theformedcuttingtoollaw,thegeneratingprocessthreekinds.Theknifepointpathlawisdependsupontheknifepointtobeoppositeintheworkpiecesurfacepath,obtainsthesuperficialgeometryshapewhichtheworkpiecerequests,liketheturningouterannulus,theshapingplane,thegrindingouterannulus,withtheprofileturningformingsurfaceandsoon,theknifepointpatharedecidedthecuttingtoolandthewor