基于CMM复杂曲面测量的采样方法及测头半径补偿研究

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1、中南大学硕士学位论文基于CMM复杂曲面测量的采样方法及测头半径补偿研究姓名：廖菲申请学位级别：硕士专业：机械制造及其自动化指导教师：曾韬20090501插值的采样方法和基于四点共球理论的测头半径补偿方法实现了对自由曲面的测量优化，满足了使用要求，有一定的实际应用价值。关键词：三坐标测量机，测量规划，采样方法，测头半径补偿ABSTRACTThemeasuringproblemofcomplexsamplesexistswidelyinthefieldofautomobilemanufactureandmolding．Itisdifficultt

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7、proposedbasedonpresenttwo．dimensionalcompensationandthree—dimensionalcompensationmethods．1116·Thetwocompensatingmethods，micro．spherecompensatingandsphnecompensatingmethodareusedtoanalyzethedatafromthegasolineshellexperiment．Theresultsshowthattheerrorsbymicro。spherecompensat

8、ingmethodiSfarlowerthanthat’Sobtainedbyusingsplinecompensatingmethod，andthemainlyr