Page 77 - MetalForming October 2016

Trending: More Responsibility on the Die Shop
Schmit’s tale underscores an over- riding trend in the metalforming indus- try. That is, as stampers look to elimi- nate downstream operations from their processes, such as additional press action to add details to parts, or assem- bly work in tapping or welding machines, their reliance on die shops to design and build highly performing and complex tools continues to grow. Die shops—designers and builders— then become the backbone of the industry. And, the die-design and sim- ulation software they use becomes that much more treasured.
Oldenburg tooling engineer Matt Bunkelmann cites collision detection with SolidWorks and Logopress3 as key software features that help create bulletproof die designs. “We can run collision-detection and die animations in just a few minutes,” he says.
Commenting on features within the Logopress3-Solid- Works software package that prove their mettle with just about every tool Oldenburg develops, tooling engineer Matt Bunkelmann first cites collision detection. With SolidWorks, he says, the designer quickly checks bolts, nitrogen springs, pad retainers and other components for interferences.
“Logopress3 then allows us to actually simulate the designed tool in a virtual press,” Bunkelmann explains, “lifting the strip and feeding the material forward, watching
stripper movement and how the part forms, checking clear- ances on the blocks and ensuring that there is no interference. “We can run collision-detection and die animations in just a few minutes,” he continues, “and those software capa- bilities have continued to improve with each iteration. The graphics have improved noticeably, allowing us to see what’s happening in a tool more clearly and definitively. And the updates run more quickly than ever, at least 50 percent
faster than they used to.”
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