[B-1-22] Investigation of Search Range for Suppression of Chatter Vibrations by Randomized algorithm 〇Takaya Kondo1, Jumpei Kitayama2, Shintaro Mizuno1, Hirohisa Narita1, Takashi Kubo1 (1.Meijo University, 2.YAMAZAKI MAZAK Corporation) Keywords:Machining、Chatter vibrations、Stability lobe diagrams、Monte Carlo method、Tabu search