Abstract
Withtherapiddevelopmentofdeepspaceexploration,thedemandforlarge-sizespace
structureshasgraduallyincreased,andconventionalgroundmanufacturingtechnologyhas
beenunabletomeetthedemandfortheconstructionofspacekilometertrussstructures.The
on-orbitformingrodunitcannotonlybeusedintheconstructionandmaintenanceservicesof
largespacestructures,butalsoshortenthetimeperiodofouterspaceexplorationand
construction,andtheon-orbitformingmanufacturingofpipeshasimportantengineering
applicationvalue.Tosolvetheaboveproblems,thispaperproposesaspacepipewinding
formingmethod,takingthermoplasticresinfilmstripastheresearchobjecttocarryoutthe
designandteststudyofthewindingformingpipedevice,andcomprehensivelyusestheoretical
analysis,structuraldesign,simulationanalysis,numericalcalculationandothermethodsto
verifythefeasibilityofthespaceon-orbitwindingformingdevice.Themainresearchcontents
ofthispaperinclude:
Firstly,takingon-orbitcontinuousformingpipeastheresearchobjective,startingwiththe
cross-sectionstiffnesstheoryoftheexistingelasticrod,themechanicalcharacteristicsofthe
existingrodareequivalentcalculated,andthepreliminarystaticanalysisiscarriedoutbyAnsys.
Avarietyofmoldformingschemesareputforward.Thesuitablemoldforpipeformingis
determinedbyevaluatingandoptimizingeachmold.
Secondly,thethin-shelltheoryisusedtoestablishtheequivalentmodelofthinfilmand
thetheoreticalmodelofthewindingbendingdeformationstiffnessofthecircularsectionpipe.
Theinternalforceandstrainenergyexpressionsinthewindingprocessofthethinfilmstripare
analyzed.Theequivalentelasticmodulusofthewindingcircularsectionp