(부산대학교 지능기계공학과 대학원)
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(부산대학교 기계공학부)
(Dept.of Intelligent Mechanical Engineering, Graduate School of Busan National University)
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(Busan National University)
Roundness measurement method using three displacement sensors makes in-process roundness measurement possible on the NC machine because it eliminates the vibration signal and eccentricity signal from measured roundness signal from the workpiece. But there are noises in measured signals, it isn't possible to measure the roundness with high precision. In this study, a high precision in-process roundness measurement system is development, which can eliminate vibrations of the spindle by using three displacement sensors and which can also estimate the noisy roundness measurement signals by applying Kalman filter.