| 摘要 |
PROBLEM TO BE SOLVED: To improve a guide in a casting strand from the vertical casting direction to the horizontal rolling direction in a continuous casting facility. SOLUTION: The whole driving mechanism 21-23 or the whole driving rollers 13' are adjusted to have the pre-given number of revolutions so that the revolutional speed of these driving rollers is equalized within the limit of a provided casting speed or the revolutional moment of the attached motor (motor moment) is kept below the allowable limited moment in the uniform level as much as possible compared with the load capacity of a solidified shell in the strand. For calculating the allowable limited moment, firstly, in the individual driving moment is started from zero and continuously raised during adjusting the whole other driving mechanisms to have the pre-given reference casting speed, and at this time, the number of revolutions of the rollers 13' is monitored, and when the number of revolutions A is suddenly raised, the limited moment B is fixed so as to interrupt this process.
|
