重型落地铣镗床主轴组件热特性分析及结构优化.pdf

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1、-⸩຿ᄺԡ䆎᭛䞡ൟ㨑ഄ䪷䬫ᑞЏ䕈㒘ӊ⛁⡍ᗻߚᵤঞ㒧ᵘӬ࣪THERMALCHARACTERISTICSANALYSISANDSTRUCTUREOPTIMIZATIONFORSPINDLECOMPONENTSOFHEAVYDUTYMILLING-BORINGMACHINETOOL䙧عڷξٝྜӖ༰2012ᑈ7᳜೑ݙ೒кߚ㉏ো˖TG548ᄺ᷵ҷⷕ˖10213೑䰙೒кߚ㉏ো˖621ᆚ㑻˖݀ᓔᎹᄺ⸩຿ᄺԡ䆎᭛䞡ൟ㨑ഄ䪷䬫ᑞЏ䕈㒘ӊ⛁⡍ᗻߚᵤঞ㒧ᵘӬ࣪⸩຿ⷨお⫳˖䙧عᇐᏜ˖催ᷟᬭᥜ⬇䇋ᄺԡ˖Ꮉᄺ⸩຿ᄺ⾥˖ᴎẄࠊ䗴ঞ݊㞾ࡼ࣪᠔೼ऩԡ˖ᴎ⬉Ꮉ⿟ᄺ䰶ㄨ䕽᮹ᳳ˖

2、2012ᑈ7᳜ᥜќᄺԡऩԡ˖જᇨⒼᎹϮ໻ᄺClassifiedIndex:TG548U.D.C:621DissertationfortheMasterDegreeinEngineeringTHERMALCHARACTERISTICSANALYSISANDSTRUCTUREOPTIMIZATIONFORSPINDLECOMPONENTSOFHEAVYDUTYMILLING-BORINGMACHINETOOLCandidate˖DengJianSupervisor˖Prof.GaoDongAcademicDegreeAppliedfor˖Mas

3、terofEngineeringSpeciality˖MechanicalManufacturingandAutomationAffiliation˖SchoolofMechatronicsEngineeringDateofDefence˖July,2012Degree-Conferring-Institution˖HarbinInstituteofTechnologyજᇨⒼᎹϮ໻ᄺᎹᄺ⸩຿ᄺԡ䆎᭛ᨬ㽕䞡ൟ᭄᥻㨑ഄ䪷䬫ᑞЏ㽕⫼Ѣ໻ൟ䳊ӊⱘᑇ䴶੠ᄨⱘࡴᎹˈᰃ೑䰆ǃ㟾໽ҹঞ໻ൟᎹ⿟ᴎẄㄝᬃ᷅ѻϮЁⱘ݇䬂䆒໛DŽ催䗳࣪Ꮖ៤Ў䞡ൟ᭄᥻㨑ഄ䪷䬫ᑞⱘϔϾ

4、䞡㽕থሩ䍟࢓ˈᇍᦤ催ᴎᑞⱘࡴᎹ㊒ᑺ੠ࡴᎹᬜ⥛᳝ⴔ䞡㽕ⱘᛣНDŽЏ䕈㒘ӊ԰Ў䞡ൟ᭄᥻㨑ഄ䪷䬫ᑞⱘḌᖗ䚼ӊˈ೼催䕀䗳ϟӮѻ⫳ᰒ㨫ⱘ⏽छϢ⛁বᔶˈⳈ᥹ᕅડᴎᑞⱘ㊒ᑺˈϹ䞡ᯊ䖬Ӯ䗴៤ᴎᑞⱘᤳണDŽᴀ᭛䩜ᇍ䞡ൟ᭄᥻㨑ഄ䪷䬫ᑞЏ䕈㒘ӊⱘ⛁⡍ᗻ䖯㸠њߚᵤˈᑊᦤߎњ㒧ᵘӬ࣪ᮍḜDŽ佪ܜ෎ѢӴ⛁ᄺⱘⳌ݇⧚䆎ˈᓎゟњᴎᑞ⏽ᑺഎⱘ᭄ᄺ῵ൟˈᇍЏ䕈㒘ӊ䕈ᡓ⫳⛁䞣੠⛁䖍⬠ᴵӊⱘ䅵ㅫᮍ⊩䖯㸠ⷨおDŽḍ᥂ᅲ䰙Ꮉމˈᓎゟ䞡ൟ᭄᥻㨑ഄ䪷䬫ᑞЏ䕈㒘ӊ⏽ᑺഎ᳝䰤ܗ῵ൟˈߚᵤЏ䕈㒘ӊ೼1000r/min䕀䗳ϟⱘ⛁ᗕ⡍ᗻˈ㦋ᕫЏ䕈㒘ӊ⏽ᑺഎ੠⛁বᔶഎߚᏗᚙމDŽᔧЏ䕈ⱘ䕀䗳Ў1000r/mi

5、nⱘᴵӊϟˈᇍ䞡ൟ᭄᥻㨑ഄ䪷䬫ᑞЏ䕈㒘ӊ݇䬂⚍ⱘ⏽ᑺϢ⛁বᔶ䖯㸠ᅲ偠⌟䞣ϢߚᵤDŽ䞛⫼ℷѸ䆩偠ᮍ⊩ᇍ᳝䰤ܗ῵ൟЁⱘᇍ⌕㋏᭄䖯㸠ℷˈᦤ催῵ൟⱘ䅵ㅫ㊒ᑺDŽᑊ䗮䖛ϡৠⱘᎹމϟЏ䕈㒘ӊ݇䬂⚍ⱘ⏽ᑺϢ⛁বᔶᅲ偠⌟䞣㒧ᵰϢ᳝䰤ܗ䅵ㅫ㒧ᵰⱘ↨ᇍˈ偠䆕ℷৢⱘ᳝䰤ܗ῵ൟⱘޚ⹂ᗻ੠ᇍϡৠᎹމⱘ䗖⫼ᗻDŽ߽⫼᳝䰤ܗ῵ൟ乘⌟Џ䕈㒘ӊ೼2500r/min䕀䗳ϟⱘ⏽ᑺഎϢ⛁বᔶߚᏗᚙމˈߚᵤњЏ䕈㒘ӊ೼催䗳ϟ༅ᬜⱘॳ಴DŽḍ᥂᳝䰤ܗߚᵤ㒧ᵰˈᇍЏ䕈㒘ӊⱘދै㒧ᵘ䖯㸠њᏗሔӬ࣪ˈᑊӬ࣪ৢⱘЏ䕈㒘ӊ㒧ᵘ䞡ᮄ䖯㸠⛁⡍ᗻ᳝䰤ܗߚᵤˈ偠䆕Ӭ࣪ⱘ᳝ᬜᗻDŽ݇䬂䆡˖䞡ൟ䪷䬫ᑞ˗Џ䕈㒘ӊ˗⛁

6、⡍ᗻ˗᳝䰤ܗߚᵤ˗㒧ᵘӬ࣪-I-જᇨⒼᎹϮ໻ᄺᎹᄺ⸩຿ᄺԡ䆎᭛AbstractNCheavydutymilling-boringmachinetoolismainlyusedforprocessingtheplaneandholeoflargeparts,whichisankeyequipmentinthepillarindustriessuchasnationaldefenseindustry,aerospaceindustryandlargeengineeringmachinery,etc.Highspeedhasbecomeanimp

7、ortantdevelopmenttrendforNCheavydutymilling-boringmachinetool,whichhassignificantimplicationsforimprovingtheprocessingprecisionandefficiencyofmachinetool.AsthecorepartsofNCheavydutymilling-boringmachinetool,spindlecomponentsproducesignificanttemperatureriseandthermaldeform

8、ationinhighspeed,whichdirectlyimpacttheprocessaccuracyandinsomeseverecasescancausethedama