200 Ton Stamping Press Capabilities for Versatile High Volume Lamination Production
02/22/2025
When customers began asking for rotors and stators beyond the 10-11 inch envelope of Lasertech’s 60-ton presses, we invested in a 200-ton powerhouse that can hit single-piece laminations up to roughly 20 inches in diameter, complete without sacrificing concentricity or running multiple operations in a Notching Press. The upgrade expands more than capacity. It rewrites the cost model for medium-to-large motor cores.
The Compound-Tool Advantage
Instead of a progressive die that feeds the blank through multiple stations, consider compound tooling where all critical features (OD, ID, slots, and vents) shear in one strike, eliminating progression error and concentricity issues . The only design concession to consider is a ≈0.007-inch corner radius, a small trade-off for the gains:
- Parts cost: customers see 2-2.5x savings versus laser-cut blanks of similar size and complexity.
- Die cost: a single-station compound die can be 40 %–60 % cheaper than a multi-station progressive set-up.
- Throughput: fewer stations mean shorter cycle times and quicker set ups.
Why Most Customers Skip Progressive Tooling
Large progressive dies shine in ultra-high-volume programs, but for most OEMs, and nearly every MRO or service-parts application, they introduce hidden pain points.
| Challenge | Progressive Die | Compound Die |
|---|---|---|
| Rotor & stator ratio | Forces 1:1 output - excess stators pile up when rotors fail more often in the field | Run rotors and stators independently, matching real demand |
| Downtime risk | One damaged station halts the entire die | A cracked rotor punch doesn’t stop stator production |
| Changeover speed | Multiple stations to qualify, shim, and inspect | Single-hit set-up = faster setup and shorter line changeovers |
For plants balancing OEM production with aftermarket spares, the ability to stamp rotors alone, without paying for unwanted stators, has an immediate impact on inventory costs.
Geometry, Capacity, and Corner Radii: What Fits the Window?
Diameter: Ideal for 10-22 in. rotors or stators; parts under 10 in. may still benefit from compound if features are dense.
- Features: Diameter 10”-20” Rotors or Stators
- Material: Electrical steels and Special Alloys with gauges common to EV and industrial motors will fall well within the 200-ton load curve.
- Corner radii: Designs that can accept a 0.007-in. fillet at sharp corners (rather than a laser-cut zero-radius edge) are perfect candidates.
If your print requires crisp 90° Corners or edges, Lasertech can still build a progressive tool or tap its laser fleet—but the cost and lead-time delta deserve an ROI check.
A One-Stop Core Shop
Because Lasertech also operates annealing and high-accuracy bonding and stacking lines under the same roof, stamped laminations can flow straight into annealing ovens, adhesive applications, press curing, and grind finishing cells. This integrated route removes freight, compresses lead time, and locks down quality from blank to finished core.
Ready to Slash Your Lamination Cost Curve?
If you have a 10-22 in. lamination design gathering dust because the tooling quote was eye-watering, or if laser cut parts are eating into margin, send us a print. Our tooling engineers will model tonnage, estimate die life, and quote both compound and progressive options so you can see the savings line-item by line-item.
