高线轧机机械传动系统典型故障解析

1121(1:100022;2:100022),,,,,TG17AAnalysisontheTime-FrequencyCharacteristicoftheTypicalFaultintheGearBoxoftheHighSpeedWireRollingMillZhangJianyu1GaoLixin1DingQingxin2CuiLingli1(1:KeyLaboratoryofAdvancedManufacturingTechnology,BeijingUniversityofTechnology;2:BeijingNo.1MachineToolCo.,Ltd.)ABSTRACTAstherollingspeedofthehighspeedwirerollingmillsisveryhigh,theaccidentalfaultisveryeasytocomeoutonthetransmissionparts.Thefaultdiagnosisonthehighwirerollingmillsmustbecarriedoutcon2sideringthestructureoftheequipments.Fordifferentkindsoffaults,theadaptabilityoftheanalysisonthetimeandfrequencydomainisalsodifferent.Theresultsoftheanalysisonthemeasuringdataindicatedthatthefaultofthebearingsissensitivetothetimeanalysisindex.Ontheotherhand,therecognitionandjudgementofthefaultsofthespindlesaredifficultcomparingwiththeothertypes.KEYWORDSHighspeedwireFaultdiagnosisTime-domainanalysisFrequencyanalysis1,,1,V90,10,,,,,,4TotalNo1151June2005METALLURGICALEQUIPMENT151200563(KZ0107200382);(H030330050110);(00419):,,1975,,,,,,120m/s122:,,,,[3][4],,[5]2,11,5.354.6,3:,138.232.807.219.125.31.6754.63,[6],,,,3.1343I,42005129,30255;29,30;I(),5000Hz,3,58.59Hz10m/s2;:I,,5:200563,3.23.2.156530#():(5a),,178.571Hz2.553mm/s,234,5b10,5.872mm/s,234,,()(6),,0.14mm,0.5mm,,22.5mm,,3.2.277,7a),7b)FFT,989Hz,,,,41),,/;2),,;3),,(38)61512005636,,,10,,,,,34,3.2,,,,,,,,,,,,,,,,,20,,3.3,,,,,,,,,,4,,,,,,,,,,,,[1]..1:,1991[2]..:,1995(:2005-02-18)(6)[1],,..,2001,23(6):547-548[2],,..,2001,5:63-65[3]G.Dalpiaz,A.Rivola.EffectivenessandSensitivityofVibrationprocessingTechniqueforLocalFaultDetectioninGears.MechanicalSystemsandSignalProcessing,2000,14(3):387-412[4]Wenyi.WangAlbertK.Wong.SomeNewSignalProcess2ingApproachesforGearFaultDiagnosis.FifthInterna2tionalSymposiumonSignalProcessinganditsApplica2tion.ISSPA’991999[5]..,2004[6],,..,1999,19(9):31-33(:20050321)83151200563