Control device of the control method and roll interval of roll spacing in twin roll type thin continuous casting machine

摘要

PROBLEM TO BE SOLVED: To provide the control method of interval between rolls in a twin roll type thin sheet continuous caster by which the effect due to thermal deformation of frame is removed without needing a large scaled cooling device. ;SOLUTION: This method controls the interval between the rolls in the twin roll type thin sheet continuous caster in which one pair of the mold-rolls 3 arranged in parallel mutually are supported be freely rotatable to the frame 1 through bearing boxes 2, the bearing boxes 2A supporting both end parts of one side of mold roll 3A are provided at the other side mold roll 3 side movably by moving devices 4, and a control device 6 for adjusting the interval between both mold rolls 3 by controlling the moving device 4 is provided. Then, at the time of moving the bearing boxes 2A of one side of the mold-roll 3A by the moving devices 4 based on a target set value, the method is considered as a correcting value to the deformed value caused by the heat of the frame corresponding to the previously obtained cast working time.;COPYRIGHT: (C)1999,JPO