Abstract
A new method for machining error inspection of T-spline surface by on-machine measurement (OMM) is investigated in this study. With the presented method, a relatively small number of sampling points are needed to evaluate the machining error of the surface. The sampling strategy based on the dominant of the control vertex is proposed. Based on the inspection data, the machined surface can be obtained through a T-spline surface reconstruction algorithm. Verification experiments showed that the inspection error between the OMM method and the coordinate measuring machine (CMM) method is within 13.3%. Simulation results shows that the fitting error in critical area can be improved with less additional sampling points while the surface is presented in T-spline surface.
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Lai, J., Fu, J., Shen, H. et al. Machining error inspection of T-spline surface by on-machine measurement. Int. J. Precis. Eng. Manuf. 16, 433–439 (2015). https://doi.org/10.1007/s12541-015-0059-4
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DOI: https://doi.org/10.1007/s12541-015-0059-4