The tooling set is built around a hardened punch, reinforced die cavity, and carefully matched blank holder. Depending on the housing geometry, we select alloy steel, SKD11, or coated inserts to resist abrasion during continuous drawing. Finite element analysis helps confirm material flow before cutting steel, reducing trial-and-error and protecting the customer's launch schedule.
During production, lubrication, press speed, and cushion pressure are balanced to prevent tearing, earing, and excessive thinning. The die can incorporate draw beads, pressure pins, and adjustable gaps to tune performance for different coil batches. This approach helps manufacturers maintain concentricity and wall uniformity, which are critical for motor housings that must fit bearings, stators, and end covers.
Each die is tested with sample strips and measured against agreed drawings before shipment. We provide setup guidance, spare wear parts, and maintenance recommendations for long-run automotive programs. The result is a dependable forming tool that supports stable output, quick changeover, and consistent quality across repeated production orders.
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