Metal deforming – With means to actuate both elements of tool-couple
Patent
1986-10-21
1988-08-02
Crane, Daniel C.
Metal deforming
With means to actuate both elements of tool-couple
72402, B21J 500
Patent
active
047607289
ABSTRACT:
A press apparatus for reducing widths of hot slabs comprises a pair of anvils movable toward and away from each other in width directions of the hot slabs, width reduction heads to which the pair of anvils are attached, respectively, and eccentric presses for reciprocatively driving the width reduction heads through sliders, respectively. The apparatus further comprises width adjusting means incorporated in the eccentric presses, respectively, for changing distances between the width reduction heads and the sliders. Each of the anvils has a parallel portion in parallel to a feeding direction of the hot slabs and an inclined portion on an entry side in the feeding direction. With this arrangement, the reducing distance can be set according to the desired distance of reduction in width in continuous width reduction and the reduction in width can be continuously effected with the set reducing distance with high efficiency. The press apparatus preferably further comprises buckling preventing means such as rollers controlled by hydraulic cylinders for urging at least two locations of the slab along a central longitudinal line of the slab and on upstream and downstream sides of a line connecting junctions of the parallel portions and the inclined portions of the anvils, thereby preventing any buckling of the slab occurring in reduction in width of the slab.
REFERENCES:
patent: 3495427 (1970-02-01), Balamuth
patent: 3834214 (1974-09-01), Kralowetz
patent: 4578983 (1986-04-01), Kimura
Patent Abstracts of Japan, vol. 7, No. 9 (M-185)[1154], Jan. 14, 1983; & JP-A-57 168 707 (Ishidawajima Harima Jukogyo K.K.).
Patent Abstracts of Japan, vol. 8, No. 43 (M-279)[1480], Feb. 24, 1984; & JP-A58 199 601 (Sumitomo Kinzoku Kogyo K.K.) 21-1183.
Patent Abstracts of Japan, vol. 9 No. 275 (M-426) [1998], Nov. 2, 1985; & JP-A-60121 001 (Hitachi) 6/28/1985.
Patent Abstracts of Japan, vol. 7, No. 137 (M-222) [1282], Jun. 15, 1983; & JP-A-5853301 (Hitachi Seisakusho K.K.) 3/29/1983.
Komori Atsushi
Naoi Takayuki
Nihei Mitsuo
Nikaido Hideyuki
Crane Daniel C.
Hitachi , Ltd.
Kawasaki Steel Corporation
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