Ryunosuke Arakawa, Hitoshi Ohmori, Yoshihiro Uehara, Teruko KATO, and Shinjiro Umezu “Research on Machining Condition Search Method for Fine Grovoving of Ti-6Al-4V” The 16th China-Japan International Conference on Ultra-Precision Machining Process (CJUMP2021)2021.11.19