The wear model for back-up roll on wide hot strip tanderm mills was developed by dividing the barrel into uniform slices on the basis of measured contours of worn back-up rolls.

• 在实测热连轧支承辊磨损辊形的基础上,采用分割法,沿支持辊轴向把辊身分成均匀的等分,建立了热连轧支承辊磨损辊形数学模型,该模型根据带钢的轧制工艺参数可以及时地计算出支承辊在线磨损辊形。