干紗纏繞圓柱殼體預成型技術(shù)研究.pdf

1、天津工業(yè)大學博士學位論文干紗纏繞圓柱殼體預成型技術(shù)研究姓名：楊金純申請學位級別：博士專業(yè)：紡織科學與工程（復合材料的設計與成型）指導教師：李嘉祿陳利20060701AbstractInthisdissertagonthetechnologyofcylindernonresinwindingpreformingwasputforwardandstudiedcomprehensivelyandsystematically弛technolog

2、ywasestablishedundertherequirementoffastproducing，lowcostmanufactureandlargethicl口心preforminginthefieldofcylindercompositenetechnologyofcylindernonresinwindingpreformingwasbasedonthetraditionalcircularhelixwindingtechnol

3、ogyButthisnewtechnologyofcylindernonresinwindingpreforminggotridoftheprocessofresin80aking(anddrying)ItWaSanewexploreofdirectlywindbyyarnwithoutresin01“yamonlywimsomeWa：tel“oOnthebaseofnonresinwindingprefonningexperiment

4、slhisdissertationsummarizedandanalyzedpossibleproblemsinlionresin岫di】ngpreformingFeasibilityandsignificanceofcylindernonresin謝ndmgpreformingwasalsoanalyzedanddiscussedConsideringthesignificanceofyamstabilityprobleminnonr

5、esinwindingtechnologyaspatialmechanicsmodelwasestablishedAndbymeansofcalculusanddifferentialgeometrytheorymechanicsanalyzmgwasachievedindifferentplaneduringthenonresinwindingprocessFutchcrmorethemechanicsbalancerequktmen

6、tofnonresinwindingwasdeducedInthestudyofstabilitythefactorofinstabilityintraditionalwindingwhichnamedrelaxinsideand矗ghmessoutsidewasanalyzedUnderthemodelofy訂nlayerpressurewhichemphasizedparticularlyOIlpressurebet、嗍differ

7、entyarnlayersthegradientdescentformulaofwindingtensionwasbroughtforwardforrealizingofequalyarnstressUnderthemodelofincreasingwindingradiuswhichtookincreasingwindingradiusintoaccountonlythetransformationtrendofwindingtens

8、ionwasdeducedandcalculatedAndthevelocitymodifyingformulaWasputforwardwhichwasfitforlargethicknesscylinderpreformingObviously，thisformulaalsoachievedindirectlycontmlofwindingtensionIXpeadingon$ectiOllpartitiontheoryintrad

9、itionwindingtechnologytheprincipleofthreesectionsinnonresinwindingwasestablishedinthedissertationAndthelengthofthreesectionsanddispla蚴entdi_ffelL=ncebetwcondropyampoimanddraughtyampointindifferentretr=ingourveswerecalcul