Schedule 4 2:00 PM - 2:15 PM [S112-05] A Study on the Variation of Bolt Tightening Torque in the calibrated wrench method 〇Soichi Hareyama1, Ken-ichi Manabe1, Satoshi Kobayashi1 (1. 東京都立大学) Keywords:機械要素、ねじ締結体、締付けトルク、初期軸力