B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
B21B 37/16 (2006.01) B21B 13/02 (2006.01)
Patent
CA 2279920
An object of the present invention is to provide a cross rolling machine in which the simplification of a drive system and the improved rigidity of a housing are achieved, the accuracy of crossing operation is enhanced, and the economical efficiency is high. To achieve the above object, a pair of top work roll chock 22 and top backup roll chock 44 are fixed by operating hydraulic cylinders 244 and 444 on the delivery side in synchronism to move pressing members 241 and 441 in the direction of delivery side to the position for positioning and by moving pressing members 231 and 431 on the entrance side in the direction of delivery side by hydraulic cylinders 234 and 434 on the entrance side to press the chocks 22 and 42 on the pressing members 241 and 441 on the delivery side. A pair of bottom work roll chock 32 and bottom backup chock 52 are positioned on the entrance side and fixed by operating hydraulic cylinders 334, 534, 344 and 544 in the opposite direction (entrance direction). Thus, the top pair and the bottom pair are pair crossed.
Hayashi Kanji
Kimura Shinsaku
Nakagawa Tadashi
Fetherstonhaugh & Co.
Mitsubishi Heavy Industries Ltd.
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