论述了采用双阶梯支承辊的必要性。 提出了接触长度、阶梯深度及工作辊凸度的计算方法。
The paper discusses the necessity of applying double stepped backup rolls, and describes the methods for calculating the contact length and stepped depth and work roll crown.
通过切削试验，研究了限制接触刀具前刀面的刀—屑接触长度逐渐减小时切削力的变化规律。
Through cutting experiments in which the contact length between chip and rake face of restricted contact cutter is reduced step by step, the variation principle of cutting force is studied.
以某中板厂生产条件和数据为基础，讨论了变接触长度支承辊辊间接触压力相等时的轧辊变形情况。
Based on production conditions and data, this article discusses the varying contact length back-up roll deformation under the condition of equal contact pressure between rolls.
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