Effect of Flexible 3D Multipoint Stretch Bending Dies on the Shape Accuracy and the Optimal Design

Figure 8

The equivalent stress distribution of the profile after the vertical bending along the x-z plane: (a) the number of die units: m = 15, (b) the number of die units: m = 20, (c) the number of die units: m = 25, and (d) the number of die units: m = 30.

(a)

(b)

(c)

(d)