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外文翻译--高速铣削.doc

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外文翻译--高速铣削.doc

HIGHSPEEDMILLINGHIGHSPEEDMACHININGISANADVANCEDMANUFACTURINGTECHNOLOGY,DIFFERENTFROMTHETRADITIONALPROCESSINGMETHODSTHESPINDLESPEED,CUTTINGFEEDRATE,CUTTINGASMALLAMOUNTOFUNITSWITHINTHETIMEOFREMOVALOFMATERIALHASINCREASEDTHREETOSIXTIMESWITHHIGHEFFICIENCY,HIGHPRECISIONANDHIGHQUALITYSURFACEASTHEBASICCHARACTERISTICSOFTHEAUTOMOBILEINDUSTRY,AEROSPACE,MOLDMANUFACTURINGANDINSTRUMENTATIONINDUSTRY,SUCHASACCESSTOAWIDERANGEOFAPPLICATIONS,HASMADESIGNIFICANTECONOMICBENEFITS,ISTHECONTEMPORARYIMPORTANCEOFADVANCEDMANUFACTURINGTECHNOLOGYFORALONGTIME,PEOPLEDIEONTHEPROCESSINGHASBEENUSINGAGRINDINGORMILLINGEDMEDMPROCESSING,GRINDING,POLISHINGMETHODSALTHOUGHTHEHIGHHARDNESSOFTHEEDMMACHINEPARTS,BUTTHELOWERTHEPRODUCTIVITYOFITSAPPLICATIONISLIMITEDWITHTHEDEVELOPMENTOFHIGHSPEEDPROCESSINGTECHNOLOGY,USEDTOREPLACEHIGHSPEEDCUTTING,GRINDINGANDPOLISHINGPROCESSTODIEPROCESSINGHASBECOMEPOSSIBLETOSHORTENTHEPROCESSINGCYCLE,PROCESSINGANDRELIABLEQUALITYASSURANCE,LOWERPROCESSINGCOSTS1ONEOFTHEADVANTAGESOFHIGHSPEEDMACHININGHIGHSPEEDMACHININGASADIEEFFICIENTMANUFACTURING,HIGHQUALITY,LOWPOWERCONSUMPTIONINANADVANCEDMANUFACTURINGTECHNOLOGYINCONVENTIONALMACHININGINASERIESOFPROBLEMSHASPLAGUEDBYHIGHSPEEDMACHININGOFTHEAPPLICATIONHAVEBEENRESOLVED11INCREASEPRODUCTIVITYHIGHSPEEDCUTTINGOFTHESPINDLESPEED,FEEDRATECOMPAREDWITHTRADITIONALMACHINING,INTHENATUREOFTHELEAP,THEMETALREMOVALRATEINCREASED30PERCENTTO40PERCENT,CUTTINGFORCEREDUCEDBY30PERCENT,THECUTTINGTOOLLIFEINCREASEDBY70HARDENEDPARTSCANBEPROCESSED,AFIXTUREINMANYPARTSTOBECOMPLETEDROUGH,SEMIFINISHINGANDFINE,ANDALLOTHERPROCESSES,THECOMPLEXCANREACHPARTSOFTHESURFACEQUALITYREQUIREMENTS,THUSINCREASINGTHEPROCESSINGPRODUCTIVITYANDCOMPETITIVENESSOFPRODUCTSINTHEMARKET12IMPROVEPROCESSINGACCURACYANDSURFACEQUALITYHIGHSPEEDMACHINESGENERALLYHAVEHIGHRIGIDITYANDPRECISION,ANDOTHERCHARACTERISTICS,PROCESSING,CUTTINGTHEDEPTHOFSMALL,FASTANDFEED,CUTTINGFORCELOW,THEWORKPIECETOREDUCEHEATDISTORTION,ANDHIGHPRECISIONMACHINING,SURFACEROUGHNESSSMALLMILLINGWILLBENOHIGHSPEEDPROCESSINGANDMILLINGMARKSTHESURFACESOTHATTHEPARTSGREATLYENHANCETHEQUALITYOFTHESURFACEPROCESSINGALUMINUMWHENUPRA0406UM,PIECESOFSTEELPROCESSINGATUPTORA0204UM13CUTTINGREDUCETHEHEATBECAUSETHEMAINAXISMILLINGMACHINEHIGHSPEEDROTATION,CUTTINGASHALLOWCUTTING,ANDFEEDVERYQUICKLY,ANDTHEBLADELENGTHOFTHEWORKPIECECONTACTSANDCONTACTTIMEISVERYSHORT,ADECREASEOFBLADESANDPARTSOFTHEHEATCONDUCTIONHIGHSPEEDCUTTINGBYDRYMILLINGOROILCOOKEDUPABSOLUTEMISTLUBRICATIONSYSTEM,TOAVOIDTHETRADITIONALPROCESSINGTOOLINCONTACTWITHTHEWORKPIECEANDALOTOFSHORTCOMINGSTOENSURETHATTHETOOLISNOTHIGHTEMPERATUREUNDERTHECONDITIONSOFWORK,EXTENDEDTOOLLIFE14THISISCONDUCIVETOPROCESSINGTHINWALLEDPARTSHIGHSPEEDCUTTINGOFSMALLCUTTINGFORCE,AHIGHERDEGREEOFSTABILITY,MACHINABLEWITHHIGHQUALITYEMPLOYEESCOMPAREDTOTHECOMPANYMAYBEVERYGOOD,BUTOTHERTHANTHECOMPANYSEMPLOYEESMAYSUANBULEOUTSTANDINGWORKPERFORMANCEFOROURCHINAPRACTICE,WEUSETHEMODELSTODETERMINETHEMETHODOFSTAFFTRAININGNEEDSARESIMPLEANDEFFECTIVETHISSTUDYMODELSCANBEANEXTERNALOBJECT,ITCANALSOBEACOMBINATIONOFINTERNALANDEXTERNALWEMUSTFIRSTCLEARSTRATEGYFORTHEDEVELOPMENTOFENTERPRISESTHROUGHTHEINTERNALANDEXTERNALBUSINESSENVIRONMENTANDORGANIZATIONALRESOURCES,SUCHASANALYSIS,THEFUTUREDEVELOPMENTOFACLEARBUSINESSGOALSANDOPERATIONALPRIORITIESACCORDINGTOTHEBUSINESSDEVELOPMENTSTRATEGYCANBECOMPAREDTOFINDTHEBUSINESSMODELS,THROUGHACOMPARATIVEANALYSISOFTHEFINALIZATIONOFBUSINESSMODELSINDETERMININGBUSINESSMODELS,A,ISTHEUNDERSTANDINGOFITSDEVELOPMENTSTRATEGY,ORITSMARKETSHAREANDMARKETGROWTHRATE,ORTHESTAFFOFTHESITUATION,ANDSOON,ACCORDINGTOTHECOMPANIESTODETERMINETHEACTUALSITUATIONASENTERPRISESINDIFFERENTPERIODOFDEVELOPMENT,ITSFOCUSISDIFFERENT,WHICHMEANSTHATENTERPRISESNEEDTOINVESTTHEMANPOWERANDFINANCIALRESOURCESTHEFOCUSISDIFFERENTSOINACERTAINPERIODOFTIME,ENTERPRISESSHOULDACCURATELYSELECTEDTHEIRBUSINESSMODELSCOMPAREDWITHTHEDEPARTMENTSANDPOSTS,SOMOREPRACTICALSIGNIFICANCE,BECAUSETHEBUSINESSMODELSARENOTALWAYSGOOD,BUTTOCOMPARESOMEASPECTSDIDNOTHAVEMUCHPRACTICALSIGNIFICANCE,FURTHERMORETHISCANMOREFULLYCONCENTRATEONTHEBUSINESSUSEOFLIMITEDRESOURCESIDENTIFYBUSINESSMODELS,ANDTHENTAKETHEENTERPRISEOFTHECORRESPONDINGDEPARTMENTSANDSTAFFWITHTHEBUSINESSMODELSFORCOMPARISON,THETWOCANBEFOUNDINTHEPERFORMANCEGAP,ACOMPARATIVEANALYSISTOFINDREASONS,INACCORDANCEWITHTHISBUSINESSREALITY,THEFINALIDENTIFICATIONOFTRAININGNEEDSTHECOSTOFTRAININGISNEEDED,IFNOTTHROUGHANEFFECTIVEWAYTODETERMINEWHETHERCOMPANIESNEEDTOTRAINANDTHETRAININGOFTHEWAY,BUTBLINDTOTRAINING,SUCHTRAININGISDIFFICULTTOACHIEVETHEDESIREDRESULTSACOMPARISONONLYDIFFERENCEBETWEENTHISMODELISSIMPLEANDPRACTICALTRAINING15CANBEPARTOFSOMEALTERNATIVETECHNOLOGY,SUCHASEDM,GRINDINGHIGHINTENSITYANDHIGHHARDNESSPROCESSINGHIGHSPEEDCUTTINGAMAJORFEATUREOFHIGHSPEEDCUTTINGMACHINEHASTHEHARDNESSOFHRC60PARTSWITHTHEUSEOFCOATEDCARBIDECUTTERMOLDPROCESSING,DIRECTLYTOTHEINSTALLATIONOFAHARDENEDTOOLSTEELPROCESSINGFORMING,EFFECTIVELYAVOIDTHEINSTALLATIONOFSEVERALPARTSOFTHEFIXTUREERRORANDIMPROVETHEPARTSOFTHEGEOMETRICLOCATIONACCURACYINTHEMOLDOFTRADITIONALPROCESSING,HEATTREATMENTHARDENINGOFTHEWORKPIECEREQUIREDEDM,HIGHSPEEDMACHININGREPLACETHETRADITIONALMETHODOFCUTTINGTHEPROCESSING,MANUFACTURINGPROCESSPOSSIBLETOOMITDIEINEDM,SIMPLIFYINGTHEPROCESSINGTECHNOLOGYANDINVESTMENTCOSTSHIGHSPEEDMILLINGINTHEPRECINCTSOFCNCMACHINETOOLS,ORFORPROCESSINGCENTRE,ALSOINTHEINSTALLATIONOFHIGHSPEEDSPINDLEONTHEGENERALMACHINETOOLSTHELATTERNOTONLYHASTHEPROCESSINGCAPACITYOFGENERALMACHINETOOLS,BUTALSOFORHIGHSPEEDMILLING,ADECREASEOFINVESTMENTINEQUIPMENT,MACHINETOOLSINCREASEDFLEXIBILITYCUTTINGHIGHSPEEDPROCESSINGCANIMPROVETHEEFFICIENCY,QUALITYIMPROVEMENT,STREAMLINEPROCESSES,INVESTMENTANDMACHINETOOLINVESTMENTANDMAINTENANCECOSTSRISE,BUTCOMPREHENSIVE,CANSIGNIFICANTLYINCREASEECONOMICEFFICIENCY2HIGHSPEEDMILLINGHIGHSPEEDMILLINGTHEMAINTECHNICALHIGHSPEEDCUTTINGTECHNOLOGYISCUTTINGTHEDEVELOPMENTDIRECTIONOFONEOFITWITHCNCTECHNOLOGY,MICROELECTRONICTECHNOLOGY,NEWMATERIALSANDNEWTECHNOLOGY,SUCHASTECHNOLOGYDEVELOPMENTTOAHIGHERLEVELHIGHSPEEDMACHINETOOLSANDHIGHSPEEDTOOLTOACHIEVEHIGHSPEEDCUTTINGISTHEPREREQUISITEANDBASICCONDITIONS,INHIGHSPEEDMACHININGINTHEPERFORMANCEOFHIGHSPEEDMACHINETOOLMATERIALOFCHOICEANDTHEREARESTRICTREQUIREMENTS21HIGHSPEEDMILLINGMACHINEINORDERTOACHIEVEHIGHSPEEDMACHININGGENERALUSEOFHIGHLYFLEXIBLEHIGHSPEEDCNCMACHINETOOLS,MACHININGCENTERS,ANDSOMEUSEADEDICATEDHIGHSPEEDMILLING,DRILLINGATTHESAMETIMEAHIGHSPEEDMACHINETOOLSPINDLESYSTEMANDHIGHSPEEDFEEDINGSYSTEM,HIGHSTIFFNESSOFTHEMAINCHARACTERISTICSOFHIGHPRECISIONTARGETINGANDHIGHPRECISIONINTERPOLATIONFUNCTIONS,ESPECIALLYHIGHPRECISIONARCINTERPOLATIONFUNCTIONHIGHSPEEDMACHININGSYSTEMSOFTHEMACHINEAHIGHERDEMAND,MAINLYINTHEFOLLOWINGAREASGENERALUSEOFHIGHLYFLEXIBLEHIGHSPEEDCNCMACHINETOOLS,MACHININGCENTERS,ANDSOMEUSEADEDICATEDHIGHSPEEDMILLING,DRILLINGATTHESAMETIMEAHIGHSPEEDMACHINETOOLSPINDLESYSTEMANDHIGHSPEEDFEEDINGSYSTEM,HIGHSTIFFNESSOFTHEMAINCHARACTERISTICSOFHIGHPRECISIONTARGETINGANDHIGHPRECISIONINTERPOLATIONFUNCTIONS,ESPECIALLYHIGHPRECISIONARCINTERPOLATIONFUNCTIONHIGHSPEEDMACHININGSYSTEMSOFTHEMACHINEAHIGHERDEMAND,MAINLYINTHEFOLLOWINGAREASHIGHSPEEDMILLINGMACHINEMUSTHAVEAHIGHSPEEDSPINDLE,THESPINDLESPEEDISGENERALLY10000100000M/MIN,POWERGREATERTHAN15KWBUTALSOWITHRAPIDSPEEDORINDESIGNATEDSPOTSFASTSTOPPINGPERFORMANCETHEMAINAXIALSPACENOTMORETHAN00002MMOFTENUSINGHIGHSPEEDSPINDLEHYDROSTATICBEARINGS,AIRPRESSUREBEARING,MIXEDCERAMICBEARINGS,MAGNETICBEARINGSTRUCTUREOFTHEFORMSPINDLECOOLINGGENERALUSEWITHINTHEWATERORAIRCOOLEDHIGHSPEEDPROCESSINGMACHINEDRIVENSYSTEMSHOULDBEABLETOPROVIDE4060M/MINOFTHEFEEDRATE,WITHGOODACCELERATIONCHARACTERISTICS,CANPROVIDE04M/S2TO10M/S2ACCELERATIONANDDECELERATIONINORDERTOOBTAINGOODPROCESSINGQUALITY,HIGHSPEEDCUTTINGMACHINESMUSTHAVEAHIGHENOUGHSTIFFNESSMACHINEBEDMATERIALUSEDGRAYIRON,CANALSOADDAHIGHDAMPINGBASEOFCONCRETE,TOPREVENTCUTTINGTOOLCHATTERAFFECTTHEQUALITYOFPROCESSINGAHIGHSPEEDDATATRANSFERRATE,CANAUTOMATICALLYINCREASESLOWDOWNPROCESSINGTECHNOLOGYTOIMPROVETHEPROCESSINGANDCUTTINGTOOLLIFEATPRESENTHIGHSPEEDMACHINETOOLMANUFACTURERS,USUALLYINTHEGENERALMACHINETOOLSONLOWSPEED,THEFEEDOFTHEROUGHANDTHENPROCEEDTOHEATTREATMENT,THELASTINTHEHIGHSPEEDMACHINEONTHEHALFFINISHEDANDFINISHED,INIMPROVINGTHEACCURACYANDEFFICIENCYATTHESAMETIME,ASFARASPOSSIBLETOREDUCEPROCESSINGCOST22HIGHSPEEDMACHININGTOOLHIGHSPEEDMACHININGTOOLISTHEMOSTACTIVEONEOFTHEIMPORTANTFACTORS,ITHASADIRECTIMPACTONTHEEFFICIENCYOFPROCESSING,MANUFACTURINGCOSTSANDPRODUCTPROCESSINGANDACCURACYTOOLINHIGHSPEEDPROCESSINGTOBEARHIGHTEMPERATURE,HIGHPRESSURE,FRICTION,SHOCKANDVIBRATION,SUCHASLOADING,ITSHARDNESSANDWEARRESISTANCE,STRENGTHANDTOUGHNESS,HEATRESISTANCE,TECHNOLOGYANDECONOMICPERFORMANCEOFTHEBASICHIGHSPEEDPROCESSINGPERFORMANCEISTHEKEYONEOFTHEFACTORSHIGHSPEEDCUTTINGTOOLTECHNOLOGYDEVELOPMENTSPEED,THEMOREAPPLICATIONSSUCHASDIAMONDPCD,CUBICBORONNITRIDECBN,CERAMICKNIVES,CARBIDECOATING,CTITANIUMNITRIDECARBIDETICNANDSOONCBNHASHIGHHARDNESS,ABRASIONRESISTANCEANDTHEEXTREMELYGOODTHERMALCONDUCTIVITY,ANDIRONGROUPELEMENTSBETWEENTHEGREATINERTIA,IN1300℃WOULDNOTHAVEHAPPENEDSIGNIFICANTROLEINTHECHEMICAL,ALSOHASAGOODSTABILITYTHEEXPERIMENTSSHOWTHATWITHCBNCUTTINGTOOLHRC3567HARDNESSOFHARDENEDSTEELCANACHIEVEVERYHIGHSPEEDCERAMICSHAVEGOODWEARRESISTANCEANDTHERMALCHEMICALSTABILITY,ITSHARDNESS,TOUGHNESSBELOWTHECBN,CANBEUSEDFORPROCESSINGHARDNESSOFHRC50PARTSCARBIDETOOLGOODWEARRESISTANCE,BUTTHEHARDNESSTHANTHELOWCBNANDCERAMICSCOATINGTECHNOLOGYUSEDKNIVES,CUTTINGTOOLSCANIMPROVEHARDNESSANDCUTTINGTHERATE,FORCUTTINGHRC4050INHARDNESSBETWEENTHEWORKPIECECANBEUSEDTOHEATRESISTANTALLOYS,TITANIUMALLOYS,HIGHTEMPERATUREALLOY,CASTIRON,CHUNGANG,ALUMINUMANDCOMPOSITEMATERIALSOFHIGHSPEEDCUTTINGCUT,THEMOSTWIDELYUSEDPRECISIONMACHININGNONFERROUSMETALSORNONMETALLICMATERIALS,ORTHECHOICEOFPOLYCRYSTALLINEDIAMONDGANGCOATEDTOOL23HIGHSPEEDPROCESSINGTECHNOLOGYHIGHSPEEDCUTTINGTECHNOLOGYFORHIGHSPEEDMACHININGISTHEKEYCUTTINGMETHODSMISCONDUCT,WILLINCREASEWEARTOOLTOLESSTHANHIGHSPEEDPROCESSINGPURPOSESONLYHIGHSPEEDMACHINETOOLANDNOTAGOODGUIDETECHNOLOGY,HIGHSPEEDMACHININGEQUIPMENTCANNOTFULLYPLAYITSROLEINHIGHSPEEDMACHINING,SHOULDBECHOSENWITHMILLING,WHENTHEMILLINGCUTTERINVOLVEMENTWITHTHEWORKPIECECHIPTHICKNESSASTHEGREATEST,ANDTHENGRADUALLYDECREASED

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