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1、ReverseEngineeringofMechanicalDevicesLibinKBabu&KarthikSS6,DepartmentofMechanicalEngineeringMohandasCollegeofEngineeringandTechnologyAbstractWhetherit'srebuildingacarengineordiagrammingasentence,peoplecanlearnaboutmanythingssimplybytakingthemapartandputtingthembackt
2、ogetheragain.That,inanutshell,istheconceptbehindreverse-engineering—breakingsomethingdowninordertounderstandit,buildacopyorimproveit.Ascomputer-aideddesignhasbecomemorepopular,reverseengineeringhasbecomeaviablemethodtocreatea3Dvirtualmodelofanexistingphysicalpartfor
3、usein3DCAD[computer-aideddesign],CAM,CAEandothersoftware.Thereverse-engineeringprocessinvolvesmeasuringanobjectandthenreconstructingitasa3DmodelWiththeever-increasingpopularityofCAD,‘reverseengineering’hasproventobeablessingforcreationof‘3Dvirtualmodel’oftheonhandph
4、ysicalparttobeusedin3DCAE,CAM,CADandmanyothersoftwares.Themeasuringofphysicalobjectcanbedonebymakinguseof‘#Dscanningtechnologies’suchascomputedtomography,‘structuredlightdigitizers’,laserscanners,andCMMs.Thedatathatismeasuredusuallygetsrepresentedas‘pointcloud’.Itis
5、devoidoftopologicalinformation.That’swhy,theprocessingandmodellingtakesplaceintousableformatlikea‘triangularfacedmesh’,CADmodel,oracollectionofsurfacesofNURBS.ApplicationssuchasPolyworks,Imageware,Geomagic,orRapidformareusedforprocessingthe‘pointclouds’intotheformat
6、sthatcanbeusedinapplicationslike3DCAE,CAM,CADorvisualization.IntroductionFORWARDENGINEERINGV/SREVERSETheterm"reverseengineering"includesanyENGINEERING;activityyoudotodeterminehowaproductworks,ortolearntheideasandtechnologythatThemosttraditionalmethodofthedevelopment
7、wereoriginallyusedtodeveloptheproduct.ofatechnologyisreferredtoas"forwardReverseengineeringisasystematicapproachforengineering."Intheconstructionofaanalyzingthedesignofexistingdevicesortechnology,manufacturersdevelopaproductbysystems.Tobemoreprecise,reverseengineeri
8、ngimplementingengineeringconceptsand(RE)istheprocessofdiscoveringtheabstractions.Bycontrast,reverseengineeringtechnologicalprinciplesofade
