Effect of Bending Speed on Forming Quality of 0Cr21Ni6Mn9N Stainless Steel Tube NC Bending
Based on the nonlinear FE platform ABAQUS, an elastic plastic 3D-FE model of 0Cr21Ni6Mn9N stainless steel tube was established to simulate the whole process, and its reliability was validated by experiment. Using the model, the effect of bending speed on forming quality was studied and the influence laws of bending speed on wrinkling wave ratio, wall thinning, cross section deformation and springback angle were revealed. The results show that the wrinkling wave ratio and springback angle decrease with the increasing of bending speed, while the effect of bending speed on wall thinning and cross section deformation are not significant. The maximum cross section deformation degree presents in the vicinity of the bending angle 30° along the bending direction and its position is almost unchanged with the variation of bending speed.
Z.S. Liu, L.P. Xu, X.D. Liang, Z.H. Wang and H.M. Zhang
J. Fang et al., "Effect of Bending Speed on Forming Quality of 0Cr21Ni6Mn9N Stainless Steel Tube NC Bending", Advanced Materials Research, Vol. 1015, pp. 198-202, 2014