| 摘要 |
PROBLEM TO BE SOLVED: To automatically perform the works such as the carry-in and the fitting of a ring stock to a vertical ring forming machine, the rolling of the ring stock and the completion of the rolling of a ring product by the vertical ring forming machine, and the detachment and carry-out of the ring product from the vertical ring forming machine, to improve the safety and the efficiency of the works, and unnecessitate any skilled worker. SOLUTION: A hydraulic device 2 to control the rolling interval is provided on a vertical ring forming machine 1, a sensor to detect the rotation of an auxiliary roll is provided, a carry-in device 4 to carry in a ring stock W0 and fit it to a mandrel 11 is movably arranged, a carry-out device 6 to detach and carry out a ring product W1 from the mandrel 11 is movably arranged, and a control device to control the carry-in and the fitting of the ring stock W0 to the vertical ring forming machine 1, the slidable support on the open side of the mandrel 11 during the rolling, rolling of the ring stock W0 and the completion of the rolling of the ring product W1 by the vertical ring forming machine 1, and the detachment and the carry-out of the ring product W1 from the vertical ring forming machine 1 is provided.
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