本文讨论了用代数运算直接决定轧辊弹性压扁时接触变形区的长度。其结果符合实测值,同图算法相比,误差不大于±5％。确定冷轧轧制力时,必须考虑在变形区中因轧辊弹性压扁而使变形区长度增大这一因素。在实践中,往往由于不能准确地决定出接触变形区的长度,而得不到比较准确的轧制力 In this paper, the algebraic calculation is used to directly determine the length of the contact deformation zone when the roll is elastically crushed. The results in line with the measured value, compared with the algorithm, the error is not greater than ± 5%. When determining the cold rolling force, the factor that the length of the deformation zone increases due to the elastic crushing of the roll in the deformation zone must be considered. In practice, often due to the inability to accurately determine the length of the contact deformation zone, and can not get more accurate rolling force