Twin roll casting metal strip

申请公布号：EP1025934(A2)

申请号：EP20000300786

申请日期：2000.02.01

申请公布日期：2000.08.09

申请人：

ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD.;BHP STEEL (JLA) PTY. LTD.

发明人：NIKOLOVSKI, NIKOLCO S.;WOODBERRY, PETER A.;GRAY, BRETT

分类号：B22D11/00;B22D11/06;B22D11/16;B22D11/20;(IPC1-7):B22D11/20

主分类号：B22D11/00

摘要：<p>Twin roll casting of metal strip (20) by rotation of parallel casting rolls (16) supplied with molten metal through distributor (19a) and delivery nozzle (19b). X-ray scanner (44) continuously scans the thickness of strip (20) to produce a signal which is a continuous measure of thickness variation along the strip due to eccentricities of the casting rolls (16). This signal controls operation of roll drive motors (53) to impose a pattern of speed variation on the rolls so as to reduce the amplitude of the thickness variations.</p>

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