[B-4-7] Improvement of Processing Time by Utilizing Cover Plate in Gyro Barrel Finishing 〇Yugo Nakayama1、Yohei Hashimoto1、Takuma Ito1、Tatsuaki Furumoto1、Tomohiro Koyano1、Akira Hosokawa1 (1.Kanazawa University) キーワード:Polishing、Mass finishing、Processing time、Contact force、