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1、東華人學顧.I:論文摘要STUDYoNTHESPINNINGMECHANlSMANDTHETECHNoLoGYoFCoTTONCOMl.ACT-SIROFILSPININGABSTRACTInthispaper,anadvancedspinningtechnologywhichcombinedcompactspinningandSirofilspinningintraditionalringspinningmachineisstudied.Basiconuniquecharacteristicsofspinningsystemandya
2、rnstructureappliedbyboththecompactandSirofilspinning,Compact—SirofilSpinningprovidetechnicalsupporttohighqualityandhighaddedvalueproducts.Butthelackofrelatedresearchonthistechnologyhindersitsapplicationanddevelopment.Soit’Smeaningfultostudythespinningprocessandyarnstruct
3、urebasedontheoryanalysisofCompact—Sirofilspinning.Firstly,thespinningmechanismofCompact-Sirofiltechnologyisdiscussedinthispaper.Therearetwofeaturesforfiberbandincompactfield:oneisdiameterreductionandtheotherisadditionaltwists,whichaffectthevibrationformofconvergentpoints
4、obviously.Wepresentedthecoordinatepositionandmotionstateofconvergentpointbypictureanalyzing.11hetwistsupanddowntheconvergentpointwerestudiedbytheoreticdeductionandalso,theexpressionformulaswereoatatnecl●,●tThen,thepaperinvestigatedtheprocessparametersofCompact-Sirofilspi
5、nning.Weselectedsingle—factor,includingthetwistofyam,thespacebetweenthefilamentandtheroving,airnegativepressure.Whenasinglefactormentionedaboveischangedandotherfactorsarefixed,theyampropertieshavebeentestedandanalyzed.Bydoingthethreefactorsandfivelevelsorthogonalcombinat
6、ionexperiment,theoptimumspinningparameterswereobtained:thetwistofyam,720tpm;thespace,9mm;theairnegativepressure,(270x9.8)Pa.TheoptimizationofcottonCompact·Sirofilspinningwasresearchedinordertoinvestigatedtheintegrativeinfluenceofthethreefactors,whichacentralcompoundrotat
7、abledesignunderfivelevels.Theoptimumtechnicalparametersareasfollows:thetwistofyam,728tpm;thespace,9mm;theairnegativepressure,(264x9.8、Pa.ComparingthepropertiesoftheCompact-SirofilyamandtheSirofilyam,therelationofCompact—Sirofilyarnstructureandpropertieshasbeenstudied.Bya
8、nalyzingthestructureofverticalandhorizontalcross—section,Compact.Sirofilcottonyamhadlesshairiness.Theco