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公开(公告)号：US10722940B2
公开(公告)日：2020-07-28
申请号：US16009568
申请日：2018-06-15
Applicant: NUCOR CORPORATION
Inventor： Robert G. Nooning, Jr. , Harold Bradley Rees , Jeffery Edward Keffer
Abstract: Methods and apparatus for continuously casting thin strip where one or more expansion rings are positioned within at least one of a pair of casting rolls, and automatically measuring a thickness of the cast strip close to the first side edge of the strip using at least one sensor, and if the thickness measured is too thin, automatically decreasing the radial dimension of the expansion ring arranged in close proximity to the first side edge to cause the cylindrical tube to contract and increase the thickness of the cast strip during casting, and if the thickness measured indicates that the thickness of the cast strip is too thick, automatically increasing the radial dimension of the expansion ring arranged in close proximity to the first side edge to cause the cylindrical tube to expand and reduce the thickness of the cast strip during casting.
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公开(公告)号：US11529676B2
公开(公告)日：2022-12-20
申请号：US17054077
申请日：2019-05-09
Applicant: NUCOR CORPORATION
Inventor： Robert G. Nooning, Jr. , Wilhelm Schmitz , Roland Sellger , Ulrich Albrecht-Frueh
Abstract: An apparatus for continuously casting thin strip has a pair of internally cooled counter-rotatable casting rolls having casting surfaces, the pair of casting rolls laterally positioned to form a gap at a nip between the casting rolls through which a thin metal strip can be cast, where the casting surface of each casting roll has a roll profile extending in an axial direction of the corresponding casting roll; a metal delivery system adapted to deliver molten metal above the nip to form a casting pool; and a temperature altering source external to the casting roll and having one or more zones configured to alter the casting roll profile of at least one of the pair of casting rolls by locally heating or cooling the casting roll.
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