竹節(jié)紗捻度測試方法與分布規(guī)律的研究.pdf

1、江南大學碩士學位論文竹節(jié)紗捻度測試方法與分布規(guī)律的研究姓名：李玲珍申請學位級別：碩士專業(yè)：紡織工程指導教師：徐伯俊20070301江南人學碩l：學位論文AbstractAmcthodtomeasuretwistangleofbasicyamandslubindividuallyforslubyamisintroducedinthispapt21Thedistributionregularpatternofslubyamandslubya

2、m’Sparameterespeciallytwist’SinfluenceonstrengthalealsoanalyzedByusingtraditionalmeasurelnellttogaugetwistofslubyam，WecanonlygetaaverageresultbutnottheindividualoneWecouldgetthetwistanglefirstlythanconvertitintotwistwith

3、thespecialformulaIt’Sdifficulttomeasurethetwistangledirectly；theindirectwayismoresuitableInthismethod，themagnifiedimageswhichcarlshowfibers’仃endonthesurfaceofyarnsalecollectedatfirstthanthetwistanglesofslubyarnscouldbeme

4、asuredbyaspecializedinstrumentInordertogetdistinctimageswhichhavevisualfibers’trendOilverticalyams，weusuallymagnifytheyarnsby250—300timestogathertheimagesofbasicyarns；by120200timestogathertheimagesofslubsThereare40kindso

5、fdifferentslubyarnsadoptedintheexperimenttoanalyzedistributionregularpanemoftwistforbasicyamsandslubsandtheaffectionontwistbyslubyams’parameterThesekindsaredeliveredinto5aspectswhichcontainslubmultipleslublengthslubsp目re

6、theproportionofslublengthtocirculatedlengthwiththecirculatedlengthisnotchangedtheratioI：miw∞oslublengthandslubspaceThesameconsultationforparameterofslubyamisusedinthestrengthtestfocusingontheinfluenceoftwist011strengthSl