基于零件模型的逆向造型研究.pdf

1、江南大學(xué)碩士學(xué)位論文基于零件模型的逆向造型研究姓名：張良申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：輕工技術(shù)與工程指導(dǎo)教師：何雪明周宏雷20090301AbstractReverseengineering(RE)technologyisaburgeoningadvancedmanufacturingtechnologyusedtodesignandexploitnewproductsShapedataacquiringanddataprocessingar

2、etwokeyproblemsThispaperconcentratesonshapedataacquiringanddataprocessingandauthormakestheresearchonsomecurrentproblemsinreverseengineeringtechnologybasedonconcludingandreviewingpreviousworkThepans’digitizationisacquired

3、geometriccoordinatedataofdiscretepointsinparts’surface，anddoescomplexsurfacemodeling，evaluation，improvementandmanufactureonthisbasisThus，it’Simportantforimplementingdatacollectionofparts’surfacehighefficientlyandhighprec

4、isionThispaperisbasedonthis，researchingadaptivepathplanningproblemofCMMAfterrealizing“selfstudy”typemeasurement，circularinterpolation，polynomialmethodandfourpolynomialmethod，thispaperpresentscurvaturecontinuousprediction

5、methodforCMMmeasurementThoughprogramming，werealizetheactualmeasurementabouttheabovemethodsfinallyandverifytheeffectivenessandaccuracyofthecurvaturecontinuouspredictionmethodthoughtwoexamplesIt’Sthemostcriticalandmostcomp

6、lexaspectoftheobjects’three—dimensionalCADmodelreconstructioninreverseengineering，sincetheyneedthesupportofCADdigitalmodelforfollowupproductsmanufacturing，rapidprototyping，virtualmanufacturingsimulation，engineeringanalys

7、isandproductre—designTheseapplicationsrequirethatthereconstructedCADmodelCanaccuratelyrestorethesampleofobjectfordifferentdegreesThispaperdiscussesandresearchesmodelreconstructionmethodandstepsbasedontheparts，andmainlydi