[B-2-9] Accurate Estimation of Workpiece Dimension in Plunge Grinding without Sizing Gauge 〇Takashi Onishi1, Yuki Murata1, Kohei Fujiwara1, Moriaki Sakakura2, Kazuhito Ohashi1 (1.Okayama University, 2.Daido University) Keywords:Abrasives、Cylindrical plunge grinding、Grinding energy、Dimensional accuracy、Sizing gauge