B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
B21B 35/00 (2006.01) B21B 13/10 (2006.01)
Patent
CA 2283368
A rolling mill comprising a roll unit and a drive unit for driving the roll unit. The drive unit comprises an outer housing, a pair of large-diameter ring-like driving bevel gears disposed concentric with the pass line, an input shaft mechanism for rotating the driving bevel gears, and transmission mechanisms for transmitting the torque of the driving bevel bears to the rolls. Each transmission mechanism comprises a small-diameter transmission bevel gear caught between and engaging with the driving bevel gears and first and second transmission shafts for transmitting the torque of the transmission bevel gear to a roll. The drive and roll units are coupled and uncoupled by couplings. Four positioning parts are formed on the outer periphery of the inner housing of the roll unit. The outer housing of the drive unit is generally in the shape of a ring, and four positioning parts are formed on the inner periphery of the outer housing. When the inner housing is fitted into the outer housing, the inner housing is positioned in the outer housing by the positioning parts laterally and longitudinally and also in both directions of the pass line by stoppers and hold-downs.
Fujiwara Hiroshi
Inui Sho
Itadani Motoaki
Kodaka Mikio
Ochi Shigeharu
Jfe Steel Corporation
Kawasaki Steel Corporation
Marks & Clerk
Sumitomo Heavy Industries Ltd.
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