作者: Izumi Matsuzaki , Jinichiro Hirose , Katsuhiko Terada , Takafumi Kunimi
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摘要: A fastening device includes first to third rotary sensors (position detecting unit) which are provided in a support arm and detect position of nut runner (fastening tool), main controller (controlling has storage unit for storing plurality positions chain cover, drives the when detection result from coincides with information cover stored by unit. Therefore, during work, an operator does not need pull trigger drive rotate runner, thus reducing burden on work.