Case sharing

Mold Design for Progressive Die Stamping Motor Housings

Balancing Forces & Tool Life
Progressive dies have to pull off many complex steps in a single stroke, which makes force distribution uneven. We need to calculate die strength precisely; otherwise, stress can snap the tooling or quickly cut its lifespan.
Nailing Down Precision & Alignment
Getting that perfect alignment is tough. We need guide pins and side cutters to keep everything on track, but the top and bottom halves still tend to shift or wobble when they close. That’s why we need high-precision alignment features (like interlocking slots or guide posts) to make sure they mate perfectly and don't get out of sync.
Keeping the Carrier from Warping
The carrier strip (the scrap web holding the parts) has to stay rigid during the whole process. If it bends, our pitch accuracy is toast. We have to pick the right carrier style (like a double-sided carrier) and optimize the scrap width to keep it stiff.
Ejecting Parts & Handling Scrap
Since these dies run super fast, we need heavy-duty springs to make sure the parts actually eject. Plus, with so many punching and trimming operations, scrap tends to fly up and get stuck. We must build in anti-scrap features—like shaped punches, air blow-offs, or scrap traps—to keep the die running smoothly.