| 摘要 |
A screw tightening work management system (1) includes screw tightening devices (3) arranged in a plurality of cells (2) for assembling work and a management computer (4) for managing the screw tightening work of the screw tightening devices (3). Each of the screw tightening devices (3) includes a controller (6) and a plurality of electric driver devices (5). Each of the electric driver devices (5) includes an electric driver (8) and a counter (9). The counter monitors the screw tightening state of the electric driver (8) and the state is transmitted via the controller (6) to the management computer (4). The management computer (4) builds up screw tightening history data according to the received screw tightening work data D (worker's name, electric driver used, work for tightening a screw, screw tightened by the work, tightening state judgment result, work date, etc.).
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