| 摘要 |
PROBLEM TO BE SOLVED: To provide a screw fastening device which can reduce its cost by omitting a sequencer and reducing electric power consumption by driving a pneumatic cylinder by means of a controller and driver instead of the sequencer. SOLUTION: A screw fastening device is configured in such a manner that a plurality of the pneumatic cylinders 7 provided in a device body 1 are driven by means of the controller and driver 4 without using the sequencer 3. COPYRIGHT: (C)2008,JPO&INPIT
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