Darrell Quander Jr.

In deep drawing, with or without draw beads, the sheet metal blank is restrained at the periphery of the die by the blank holder force (BHF). The relative motion between the punch and the die forces the metal to flow into the die cavity (see Figure 1). The quality of the formed part is determined...

: Stamping AHSS comes with forming challenges such as wrinkling, tearing, and springback. A servo’s controlled force can help resolve some of those problems—and keep you from tearing your hair out.