Theoretical Investigation into Continuous Tension Leveling Process of Metal Strip (3)——Analysis on the Tension Leveling Process during Bending Moment Decreasing Period and Re-increasing Period

The tension leveling process is investigated in detail the bending moment decreasing period on the first bending roll. The result shows that the residual curvature is big enough to analyze the deformation of tension leveled metal strip. The tension leveling process of the metal strip on the second roll is much differentfrom that on the first roll. The calculation method of the elongation of the tension leveled metal strip on multiple rolls is discussed also.