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平辊轧制时轧制力的理论计算,从1925年卡尔曼建立微分平衡方程以来,已经有五十年历史。现有的轧制力计算公式,有许多是在卡尔曼方程基础上,加上各种假设条件解出来的。由于假设条件不同,各公式的形式及计算结果也不相同,特别是与实测结果相比,各公式的适用范围及可靠程度都有很大的局限性,以致在使用时心中无数。 一般在推导轧制力计算公式时最基本的假设有以下几个方面:
The theoretical calculation of the rolling force during flat roll rolling has been fifty years since Kalman established the differential equilibrium equation in 1925. The existing rolling force calculation formula, many are based on the Kalman equation, coupled with various assumptions solution. Due to the different assumptions, the formulas and the calculated results are not the same. In particular, compared with the measured results, the scope and reliability of the formulas are very limited, resulting in countless hearts. Generally in the derivation of rolling force calculation formula, the most basic assumptions have the following aspects: