|
AVI |
Description
|
Courtesy
|
Size |
|
301a |
Roller Hemming |
Li Zhang |
2.99MB |
Roller hemming along a
straight flange - pre-roller flanges the upstanding
flange at an 45 degree angle and final roller
completes the hemming process. Flange blank is held
by deformable inner part at the top and rigid part
(anvil) at the bottom. Breakdown wrinkles are
visible.
|
|
301 |
Roller Hemming |
Li Zhang |
5.4MB |
|
Mean stress contour
animation of the same flange in roller hemming
process viewed from another angle. Compressive
stresses develop during movement of the pre-roller
and followed by tensile stresses developed during
movement of the final roller |
|