| 摘要 |
PROBLEM TO BE SOLVED: To easily replace a tool and to improve a space factor of a production line, for instance. SOLUTION: A mounted tool (50a, for instance) is mounted at an empty portion of a tool stocker 60 located at a prescribed position, and the tool is detached from a robot 20 for a work. By the robot 20 for the work of this state, the tool stocker 60 is rotated till a tool to be mounted next (any of 50B to 50F) reaches the prescribed position. The next tool (any of 50B to 50F) is mounted on the robot 20 for the work.
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