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公开(公告)号：US12030098B2
公开(公告)日：2024-07-09
申请号：US17774209
申请日：2021-01-21
发明人： Takashi Norikura , Tadashi Tamagawa
IPC分类号： B21B13/14
CPC分类号： B21B13/147
摘要： A multistage rolling mill includes: four columns 12a, 12b, 12c, and 12d linking, in an up-down direction, four corners of each of an upper mill housing 8, a lower mill housing 9, and a base mill housing 10; a press-down section that is provided on an upper side of the four columns 12a, 12b, 12c, and 12d in a vertical direction and that is capable of raising and lowering the upper mill housing 8; and a lower mill housing spacer that is provided between the lower mill housing 9 and the base mill housing 10 and that adjusts the position of the lower mill housing 9 in the vertical direction. With this configuration, a compact multistage rolling mill with a smaller installation space than a conventional cluster-type rolling mill is provided.
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公开(公告)号：US20220379358A1
公开(公告)日：2022-12-01
申请号：US17774209
申请日：2021-01-21
发明人： Takashi NORIKURA , Tadashi TAMAGAWA
IPC分类号： B21B13/14
摘要： A multistage rolling mill includes: four columns 12a, 12b, 12c, and 12d linking, in an up-down direction, four corners of each of an upper mill housing 8, a lower mill housing 9, and a base mill housing 10; a press-down section that is provided on an upper side of the four columns 12a, 12b, 12c, and 12d in a vertical direction and that is capable of raising and lowering the upper mill housing 8; and a lower mill housing spacer that is provided between the lower mill housing 9 and the base mill housing 10 and that adjusts the position of the lower mill housing 9 in the vertical direction. With this configuration, a compact multistage rolling mill with a smaller installation space than a conventional cluster-type rolling mill is provided.
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公开(公告)号：US20220168790A1
公开(公告)日：2022-06-02
申请号：US17600130
申请日：2020-04-01
发明人： Takashi NORIKURA
摘要： A multistage rolling mill 100 includes support bearings 10a, 10b, 10c, 10d, 10e, 10f, 10g, and 10h arranged on the entry side and/or the exit side of work rolls 2a and 2b, and supporting the work rolls 2a and 2b on an work side and a drive side. The offset positions in a pass direction of the pair of work rolls 2a and 2b for rolling a strip 1 are changed by moving in and out the support bearings 10a, 10b, 10c, 10d, 10e, 10f, 10g, and 10h to the entry side or the exit side with respect to the pass direction. A multistage rolling mill capable of rolling a hard material efficiently and suitable for obtaining a strip of high product quality is thereby provided.
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公开(公告)号：US20220203416A1
公开(公告)日：2022-06-30
申请号：US17600132
申请日：2020-04-01
发明人： Takashi NORIKURA , Tadashi TAMAGAWA
摘要： Within a housing, divided backing bearing assembled shafts are each moved on any one of a housing bore upper surface 8a constituting the housing, spray frame upper surfaces 9, and rails 13, 19, and 20 of a changing carriage 12 by a sliding apparatuses, and outside the housing, the divided backing bearing assembled shafts are extracted from within the housing or inserted into the housing by being moved on the rails 13, 19, and 20 of the changing carriage 12 by sliding apparatuses. There are thus provided a rolling mill that makes changing of divided backing bearing assembled shafts in the rolling mill easier than conventional, and a method of changing the divided backing bearing assembled shafts in the rolling mill.
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公开(公告)号：US11872612B2
公开(公告)日：2024-01-16
申请号：US17600130
申请日：2020-04-01
发明人： Takashi Norikura
摘要： A multistage rolling mill 100 includes support bearings 10a, 10b, 10c, 10d, 10e, 10f, 10g, and 10h arranged on the entry side and/or the exit side of work rolls 2a and 2b, and supporting the work rolls 2a and 2b on an work side and a drive side. The offset positions in a pass direction of the pair of work rolls 2a and 2b for rolling a strip 1 are changed by moving in and out the support bearings 10a, 10b, 10c, 10d, 10e, 10f, 10g, and 10h to the entry side or the exit side with respect to the pass direction. A multistage rolling mill capable of rolling a hard material efficiently and suitable for obtaining a strip of high product quality is thereby provided.
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