B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/06 (2006.01) B22D 11/20 (2006.01)
Patent
CA 2297587
Twin roll strip caster comprising parallel casting rolls (16) one of which is mounted on moveable roll S supports (104) which allow it to move bodily toward and away from the other roll (16). A pair of roll biasing units (110) act on roll supports (104) to bias the moving roll (16) toward the other roll. Biasing units (110) comprise compression springs (112) acting on roll supports (104) through thrust transmission structures (122) and thrust reaction structures (121). A control system controls the operation of biasing units (110) responsive to electrical signals from sensors which monitor strip thickness below the casting rolls (16) in order to inhibit variation in thickness across the strip. The positions of thrust reaction structures (121) are set by hydraulic cylinder units (119) operable vary the position of each reaction structure (121) to replicate movements of the respective thrust transmission structure 122 so as to maintain a constant compression of the biasing springs (112) regardless of lateral movements of the roll supports (104).
Kaul Harold Roland
Nikolovski Nikolco S.
Bhp Steel (jla) Pty Ltd.
Castrip Llc
Ishikawajima-Harima Heavy Industries Company Limited
Oyen Wiggs Green & Mutala Llp
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