RTM工藝制品復合效應與使用性能評價方法研究.pdf

1、武漢理工大學碩士學位論文RTM工藝制品復合效應與使用性能評價方法研究姓名：覃海藝申請學位級別：碩士專業(yè)：固體力學指導教師：鄧京蘭20060401武漢理工大學碩士學位論文AbstractResintransfermolding(RTM)iswidelyusedforthecharactedsticsofhighproductionefficiencylowinvestment，留00dworkingenvironment，strongcr

2、afcompatibilityandsoOBIndeveIopedcountries、刪isdevelopingmuchfasterthanothercrafts，howeverinalinaRTMdevelopedrelativelylate，so耵Mproductshavelowoutput10wintensityanddonotperformwellTheperformanceofChineseproductsisfarbelow

3、thespecificationsofothercountriesTherearestillnumerousproblemsinRTM，suchas：theproducthasvoidsanddryspots，thearrangementofgatesandventsisdifficult，theparameterdatabaseisdisintegrated，theproperevaluationofproductperformanc

4、eishardtogetThisthesismainlycarriesonresearchrespondingtotheproblemsreferredtoabove：(1)Theeffectofparameterson硎productcompoundswerestudiedThesestudiesreferredtothestudyoffiberpermeabilityAccordingtothetwodimensionalperme

5、abilitytestingmethod，thepermeabilityofdliferentfabricswastestedwithdi肫rentparametersAruleaboutthee任bdofparameterstopermeabilitywasatlastdevelopedTheresultsofthepermeabilitytestingalsoprovideddataforthenumericalsimulation

6、ofthell!n訌process(2)ThearrangementofgatesandyentswerestudicdtoimprovethecompoundeffectontheRTMproducthviewofthedifficultyofgatcsventsandresinflowchanneldesignitwasproposedtoapplythenumericalsimulationsoftwaretosolvethepr

7、oblemLater’EAM洲softwarewasused勰atooltooptimizethegates，ventsandresinflowchanneldesignItdiscussedemphaticallytheprocessandmethodofusingthenumericalsimulafionanalymssystem，andestablishedapropermethodandskiIIofthefiniteelem

8、entmodelestablishmentAtlastcontrastingresultsbetweentheexamj)leproductandtherealproductwereproducedFromtheseresults，thefollowingconclusionwasreached：ThenumericalsimulationresultscanbetterreflecttherealproductsresuitsThen

9、umericalsimulationsoftwareisgoodatdesigningthearrangementofgatesandvents，theremovingofflawsandenhancingtheproduct’scompoundeffect(3)TheperformanceofIi：11垤productswcreevaluatedbyComputerNumericalSimulationTechnology(CNST)

10、ThetrunkofacarwasusedasanexampletodisCUSStheapplicationof鍘STin硎processInthisexampleCNSTwasappliedtothewholeproductionprocessOfIHM。fromthecstublishmentoftheCADmodeltothefiniteelementmodelandfromthemechanicsperformanceeval

11、uationtotheprocesssimulationItdiscusseddetailsaboutthemethodsandprocessesusedbvCNSTinRTMTheskillsandthemethodsabouthowtotransformtheCADmodeltothefiniteelementmodelwercstudiedvigorouslvAtlastitestablishedaneffectiveapplic