Approach for On-Line Measuring the Variance of the Turning Size of a Workpiece
L Haibao, Qi Xinmin (National University of Defense Technology) Deng Li(No.5 Research Institute, Aerospace Department) Song Jiadong(Shenzhen Jiannan Computer Development Corporation)
In the paper an experimental system for on-line controlling turning size ofa workpiece is introduced. In the system the variation of the turning size ofthe workpiece is measured using a laser triangulation equipment.Then the var- iance is used as a feedback signal, and cutting size is timely compensated usingthe tool that is controlled by a microcomputer. The development of experimentalequipment for on-line measuring the variance of turning size is emphatically pre-sented in the paper. A lowpass filter is disposed in the system, so that the eff-ect of vibration in cutting and cutting trace of the workpiece surface on measur-ing may be effectively eliminated.