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为了使热轧粗轧平辊与立辊之间的微张力保持恒定,从而减少轧辊打滑和卡钢现象,通过增加立辊速度补偿、优化微张力建立程序、调整微张力闭环控制参数、调整微张力最终补偿速度系数对微张力控制进行优化。优化后,改善了中间坯的宽度和平直度,对粗轧轧辊打滑有一定的改善,减少了主传动变频器跳闸造成的卡钢损辊,降低了生产中异常辊耗成本。
In order to keep the micro-tension between the rough rolling flat roll and the vertical roll of the hot rolling constant so as to reduce the roll slippage and the steel-carding phenomenon, the micro-tension setting procedure is optimized by increasing the vertical roll speed compensation, Tension Ultimate Compensation Speed Coefficients Optimize micro tension control. After optimization, the width and flatness of the middle billet are improved, the slippage of the roughing roll is improved to some extent, the damaged steel strip of the steel plate caused by the tripping of the main driving frequency converter is reduced, and the abnormal roll consumption cost is reduced.