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应用弹塑性理论对管材弯曲矫正过程进行了分析，对矫正过程中的各曲率值进行了定量计算，在保证矫正质量的基础上，提出了确定管轴反弯曲线曲率的方法。
Based on the theory of elasto-plasticity, the bending process of pipe bending was analyzed. The curvature of the pipe during the correction was quantitatively calculated. On the basis of ensuring the quality of correction, a method to determine the curvature of pipe bending curve was proposed.