| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a workbench configured so as to stop when the speed of the workbench suddenly changes or an accident occurs by some reason. <P>SOLUTION: The workbench A travels on a material Ca to be processed and performs predetermined processing (welding) by using a processing tool (welding torch B) mounted thereon. The workbench A comprises: a workbench body 1; a plurality of wheels 4 provided on the workbench body 1; a drive motor 3a for driving the wheels 4; an acceleration sensor 10 for detecting the acceleration acting on the workbench; and a control unit 12 configured so as to determine that an abnormality has occurred and to stop the drive motor 3a when a sudden change in speed is detected by the acceleration sensor 10. <P>COPYRIGHT: (C)2011,JPO&INPIT |
