辊磨机减速器中英文对照外文翻译文献.docx
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辊磨机减速器中英文对照外文翻译文献.docx
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辊磨机减速器中英文对照外文翻译文献
中英文资料对照外文翻译
外文资料:
TalkingabouttheoptimumDesignforreductionbox
Summary:
reducerisgearingwidelyusedamongtheallkindsofmechanicalequipment.Gearboxdesignmeritswillbedirectlyaffectthedriveperformanceofthetransmissionequipment.Thisarticleanalysisoftwomaingearboxdesignoptimizationmethodsbycontrastanalysis,then,reducerdesignneedtoconsideringfactorswaspresented.whichisconstraintsrestraintconditions,objectfunctionsandvariables,andsoon.
Keywords:
reduceroptimization
Traditionalgearboxdesignnormallythroughrepeateddiscussiontogether,checktodeterminethedesign,althoughitcangetthatmeetthegivencriteriadesigneffects,butgenerallynotbethebest.Inordertomakethereducerforbestperformance,youmustbeoptimizedforspeedreducer,reduceroptimizationcandifferentoptimizationgoals.Exceptforsomeveryspecialoccasions,oftencanbedividedintotheformfromthestructureonthepursuitofthesmallestsize(weight),fromtheuseofperformancepursuitofmaximumloadcapacity,fromtheeconomicpointofviewtoconsiderpursuingtheminimumfee,threeclassgoals.Firstclassgoalsandobjectivesofthesecondclassofthereducerofacontradiction,i.e.mass(weight)andcarryingcapacity.Toacertainvolume,reducerloadcapacityislimited;incarryingcapacitymust,reducervolume(weight)ofreduceislimited.Thus,thesetwotypesofobjectivesembodiedinessenceisthesame.Justbeforeaclasstoloadcapacityasdesigncriteria,thesize(weight)astheoptimizationgoal;thelattercategoryinstead,toacertainsize(weight)asdesigncriteria,thecarryingcapacityasoptimizationgoals.Thethirdgoal,willinvolveasignificantnumberoffactors,inadditiontothedesignoftherationalityofthereducer,alsodependsonthecompany'slabororganization,management,equipment,personnelandmaterialpricesandotherfactors.Butfordesigners,thegoalofultimatelycomesdowntoafirstclassorsecondclasstarget,thatis,reduceorincreasethevolumereductiongearsitscarryingcapacity.
First,single-stageoptimaldesignofcylindricalgearreducerorincreaseitscarryingcapacityofthevolume.
Single-stagefinaldrive,whichcanconsistofapairofconicalgear,apairofcylindricalgearsorcomposedbytheworm,hasasimplestructure,thequalityofsmall,lowcost,easytouse.Butitsmaintransmissionratioi=0nottoolarge,thegenerali=0≤7,andfurtherenhancei=0willincreasethediameterofthedrivengear,therebyreducingthegroundclearance,andsodrivengearheattreatmentdifficult.Widelyusedsingle-stagemaingearboxcarsandlightandmediumgoodsvehicledrivenbythebridge.SingleGearreducersizeisminimizedbytheoptimaldesign,isa166-dimensionalinequalityconstraintoptimizationproblem,itsmathematicalmodelcanbedenotedas:
minf(x)x=[x1x2x3x4x5x6]T∈R6
S.t.gj(x)≤0(j=1,2,3∧,16)
Optimizeddesign;meetthestrengthrequirementsreducergreatlyreducethesizeof,reducingmaterialanddesigncostsandincreasedefficiencyandquality.Optimizationmethodiscloselyassociatedwithtraditionaldesign,optimizethedesignisbasedonthetraditionaldesign,followsthetraditionaldesignoflargeamountsofdataaccumulatein,whiletakingintoaccountthetraditionaldesignoftherelevantfactorsinvolved.Optimaldesignalthoughtraditionaldesignofsome,butthedesignstillhasitslimitationssothatitcanbeusedinoptimumdesignreliabilitytechnology,introducedinfuzzylogic,formingreliabilityoptimizationorreliabilityandothermoderndesign,engineeringdesignandtechnologyby"hard"to"soft"development.
Second,concretemixertruckOptimalDesignofgearreducer
1.themainarguments
Concretemixertruckmixerdrum(tank)volume8~10m3,maximum12°angle,speed2~4r/minand10~12r/min(dischargeofreversespeed);reducer,131:
1gearratioformaximumoutputtorque60kN•m,requiretransmissionofhighefficiency,sealing,noise,interchange.2.2Thestructuraldesignincludesthefrontcovercomponents,passivewheelassembly,thefirststageplanetarygearassembly,thesecondstageplanetarygearassembly,thecentralcomponentandthebodyflange6mostofthecomponents.Bodyconnectionbetweentheuseofboltsandpinsandpositioning,betweenthebodyandtheinnerringgearpinsusingflexiblesetofinstitutionsaresetout.Inordertofacilitatetheuserinusingassemblyanddisassembly,themainaxisreducerdesignandinstallationofa15°angle,flangeaxiscanX,YandZdirectionofswing±6°,andusespecialsphericalbearingsasbearing.Intoplanetarygearbearings,thespringringmountedonthelateralandaxialbearingclearance≤0.2mm,reducermaximumdimensions467mm×460mm×530mm,totalweight(withoutoil)to290kg.
2.DriveSystem
Thereductionreducerwiththreeoptions:
first-classhigh-speedgeartransmission,theothertwofortheNGWplanetarygeartransmission.Amongthem,thesecondandthirdrespectively,threeandfourhollow-typeplanetwheel,planetarygearrackinstalledinthearm-typeplanets,planetarygearandtheuseofrollingbearingasfloatingbearing;thesecondlevelbetweentheplanetcarrierandtheflangeuseofdoubletoothgearcouplingtoconnect,concretemixertruckonthetoothsurfacecontactfatiguestrengthreducer,geartoothrootbendingfatiguestrengthandwearrequirementsaretoostringent,soareasonablechoiceofcoefficientandformodificationcalculationisveryimportant.
Third,themathematicalmodelofoptimaldesignreducer
1.theobjectivefunction
FortheC-typeproblem,theobjectivefunctionisA=min(f(x))=min(f(x1,x2,...,xn))typein:
A-Totalpitchreducer,thatthesumofalllevelsofthecenterdistance;x-thedesignvariables(includingalllevelsofpitch,module,helixangle,numberofteeth,toothwidthandthecoefficient,etc.);n-thenumberofdesignvariables.FortheP-typeproblem,theobjectivefunctionisP=max(f(x))=max(f(x1,x2,...,xn)).Theformula:
P-Reducerlicensebearingpower;x-withtheC-type;n-thesameCtype.
2.Constraints
Theconstraintisthejudgmentoftheobjectivefunctioninthedesignofthevariableifpossiblesomeprovisions,thereforereduceroptimizationprocesseachchoiceofdesigns;shouldbeareallconstraintsaresatisfiedoftheoptimization.Forreducer,inthelistsfortheoptimaldesignofconstraints,shouldrespectthishastobeconsideredinacarefulandcomprehensive.Forexample,thedesignofthevariableitselftakesrules,gearandotherpartsoftherelationshipbetween,andsoon.Reduceroptimizationshouldconsiderthefollowingconstraints:
(1)valuesofthediscretedesignvariableconstraints
Teeth:
Theteethofeachgearshouldbeintegers;module:
moduleshouldbestandardgearmoduleseries(GB1357-78);centerdistance:
Inordertoavoidthecreationandmaintenanceofthevariousproblems,thecenterdistanceto10mmfortheunitsteplong.
(2)designvariablevaluesofupperandlowerboundsconstraints
HelixAngle:
Thezerogear,helicalgearbytheuseofengineeringtotake8°~15°;totalcoefficient:
Giventhatthecoefficientwillaffectthecarryingcapacityofgear,oftentakentobe0to0.8.
(3)gearstrengthconstraints
Gearstrengthconstraintisthegeartoothcontactfatiguestrengthandtoothbendingfatiguestrength,bothcalculatedaccordingtonationalstandardGB3480-83inthemethod.Strengthissufficient,accordingtotheactualfactorofsafetyisreachedorexceededapredeterminedfactorofsafetyinspection.
(4)gearofundercuttingconstraints
Toavoidundercutting,aminimumnumberofteeth,gearsis17,helicalgearis14~16.
(5)partsoftheinterferenceconstraints
RequirementsofCenterdistance,addendumcircleandshaftdiameteramongmeetgeometricrelationshipofnon-interference.Fortri-reducer(Figure1),interferenceconstraintisequivalenttotwoconstraints:
thesecondlevelofCenterdistanceshouldbegreaterthanthelevel1largegeartopRADIUSandthird-levelPinionaddendumcircleradiusofand;atthethirdlevelofCenterdistanceshouldbegreaterthanthesecond-largestgeartopRADIUSand4thaxisradiusofand.L2gearanalogy.
Figure1Schematicdiagramofthreereducer
Four.concludingremarks
Mechanicaloptimizationisingeneralmachineryonthebasisofthedesigndevelopmentandextensionofthenewdesign,andoptimizationofthegearboxisoneofthemistotraditionaldesigns,followsthetraditionaldesignoflargeamountsofdataaccumulatein,whiletakingintoaccountthetraditionaldesignoftherelevantfactorsinvolved.Inpracticehasproducedagoodtechnicalandeconomicefficiency,reducedmaterialanddesigncostsandincreasedefficiencyandquality,thereducertobestperformance.
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[4]LeungHIOlightoptimizationmethodin-geardesign[J];Shanximachinery,2003.
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[6]MAXiao-yun.Concretemixerreducermanufacturingexperts[J].CommercialVehiclemagazine(CommercialVehicleMagazine),2007,(8):
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中文翻译:
浅谈减速机的优化
摘要:
减速器是各类机械设备中广泛应用的传动装置。
减速器设计的优劣直接影响机械设备的传动性能。
本文通过对两种减速器主要优化设计方法的分析,提出了减速器设计中应考虑的约束条件、目标函数和变量等。
关键词:
减速器优化设计
传统的减速器设计一般通过反复的试凑、校核确定设计方案,虽然也能获得满足给定条件的设计效果,但一般不是最佳的。
为了使减
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