主催: 一般社団法人 日本機械学会
会議名: 第11回生産加工・工作機械部門講演会
開催日: 2016/10/22 - 2016/10/23
Although a NC machine tool moves along previously designed machining path, it has mostly controlled with analog feedback loop. As high-speed tracking motion of XY table inspires vibration in the system, people desires feedforward trajectory without arousing residual vibration. In this study, we propose to design intermittent feed drive trajectory in NC machine tool by using vibration manipulation function (VMF) with discrete sampled-data control. We discuss rotational vibration of column on XY table, which is treated as two-mass one-spring model without damper. Rapid accelerated or decelerated trajectory can be designed from serially combined two VMFs with suppressing residual vibration.