Orange punch slowly pushes yellow workpiece through pink die for reducing outer diameter of the workpiece.

Fast wobbling motion of the die makes forming process easy.

Joint between the die and the base (sphere with a pin) gives the die 2 degrees of freedom.

Green conrod is connected to blue crank by spherical joint and to the die by revolution joint.

The workpiece and the die are cut off partly for easy understanding.W

orkpiece feeding device is not shown.