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页数:5页
时间:2020-03-28
《2011-一种切削颤振监测技术地研究与实现.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、!45"!11#!"#$%&&'Vol.45No.112011$11%JOURNALOFXI′ANJIAOTONGUNIVERSITYNov.2011!"#$%&'()*+,-./0-./,456,UVW,XY,Z[(]^_G`abcd`e,710049,])12:()*+,-./0123456789:;<=>?@.ABCD,EF,-GHIJ).KLMN=>O9.PQRSTU.VL、WLXYYZ,[]@.N^X_`]abcdKLefgh,[)ijklmnjopqrsMN-t.uvwx,()=>
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4、狅狀犻狋狅狉犻狀犵LKaibo,JINGMinqing,ZHANGYongqiang,LIUHeng,LIMeng(SchoolofMechanicalEngineering,Xi′anJiaotongUniversity,Xi′an710049,China)犃犫狊狋狉犪犮狋:Chattervibrationsinmetalcuttingresultinpoorsurfacefinish,reducedproductivity,andshortenedtoollife.Ontheexternalr
5、econfigurableintegratedmonitoringanddiagnosisprototypesystemforcomputernumericalcontrol(CNC),takingthetypicalmachiningprocessesofturningandmillingasmonitoringobjects,theaccelerometersarechosentoacquirethecuttingstatesandthefeatureextractionofchatteri
6、nthetimeandfrequencydomainsareanalyzed,thenthecriterionofchatteroccurringisformulatedinaccordancewiththevarianceandspectrum.Acomparisonschemebetweenthemonitoringdataandthereferencedatabaserepresentingthestablecuttingstateisconsidered,subsequently,thec
7、hattermonitoringmoduleandalgorithmsareimplementedwithC#programming,wheredelaystrategyandoverlapprocessingenabletoimprovetheaccuracyandrapidityofthemonitoringanddiagnosissystem.Theindustrialtestsareconductedtoverifythatthediagnosticrateisuptoorbeyond80
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