AToleranceAnalysisApproachwithModifiedJacobianMatrixandTorsorforMechanicalProducts
AToleranceAnalysisApproachwithModifiedJacobianMatrixandTorsorforMechanicalProducts.pdf
Mechanicalproductsusuallyconsistofmanycomponentsandparts.Amechanicalpartalwaysshowsvariationsinitsge-ometricalcharacteristicsbecauseofuncertaintiesinmanufacturingprocesses.Qualityisoftenreflectedbyhowwelltolerancesandfunc-tionalrequirementsarebeingachievedbythemanufacturingprocessesinthefinalproduct.Theappropriateallocationoftolerancesamongthedifferentpartsofanassemblyisthefundamentaltooltoensureassembliesthatworkcorrectlyatalowercost.Therefore,anefflicienttoleranceanalysismethodmustbeapplied.Butexistingmodelsareoftenbasedonpointswhicharelimitedanddifficult,andtheimpactofthetiltedtolerancezonealongthedirectionofanalysisisn'tconsideredinmanymodels.ThepaperproposestheunificationofmodifiedJacobianmatrixandmodifiedtorsoralongthedirectionofanalysis.Anewmethodtogetthestack-uppathisproposed.Thecalculationofpercentagecontributiontoassemblyerrorfromimpactfactorsispresented.Thisapproachhasbeenillustratedbyanumericalexample.
作者：LiQisheng YangZhihong LiuYuetianZhangGengnanLiHui
作者单位：ChongqingChanganAutomobileCompanyLimitedKeyLaboratoryofHigh-efficiencyandCleanMechanicalManufacturing(ShandongUniversity)MinistryofEducation
母体文献：第19届亚太汽车工程年会暨2017中国汽车工程学会年会论文集
会议名称：第19届亚太汽车工程年会暨2017中国汽车工程学会年会
会议时间：2017年10月24日
会议地点：上海
主办单位：中国汽车工程学会
语种：chi
分类号：
关键词：toleranceanalysisstack-uppathjacobianmatrixtorsor
在线出版日期：2020年7月9日
基金项目：
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