棉型集聚赛络菲尔纺成纱机理与纺纱工艺-.研究

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1、东华人学顾．I：论文摘要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