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Compact Lines

Flatten and Feed AHSS, Even in Constrained Spaces

Lightweighting strategies have resulted in an increasing use of advanced high strength steels (AHSS), which are challenging stampers during the straightening process prior to feeding the press. To overcome this issue, COE has developed a series of straighteners specifically meant to effectively address both the coil set and crossbow issues required to achieve the flatness required to process high strength, high yield materials, all backed by FEA and software utilities that prove out the performance capabilities. These straighteners are also capable of processing a wider range of materials — both thick and thin — than conventional equipment. Nahanni is an excellent example of success in AHSS processing.

Nahanni, an Excellent Example of Success in AHSS

“By taking the Coe line on board we’ve taken away one big question mark. Is the steel coming in the right shape before we put it through the tool? And the answer is yes. Now we can manipulate it, change it, flatten it, choose what we do to it (to a point). That’s a big, big asset.”

– Sebastijan Zupanec, General Manager, Nahanni