Lenox Group buys compact Nitrex nitriding system

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The Lenox Group, an aluminum extrusion profiles company, bought a Nitrex turnkey nitriding system. (Courtesy: Nitrex)

The Lenox Group, an aluminum extrusion profiles company, decided to buy a Nitrex turnkey nitriding system after expanding operations with the addition of a second extrusion press to its plant in Bulgaria. Faced with increased production and disappointing nitriding results from third-party processing services, Lenox opted to bring operations in-house to improve die reliability through more stringent quality control.

“Previously, the company sent extrusion dies for salt bath nitriding and gas nitriding, but there were quality issues and results were inconsistent, never living up to customer expectations,” said Marcin Stokłosa, project manager at Nitrex. “Lenox Group experimented with various case hardening technologies in search of the best one, the results of which would be repeatable and consistent with their expectations.” 

In the end, the choice fell on the N-EXT 412, a compact-size Nitrex gas nitriding furnace for low volume quantities best suited for Lenox’s production needs. The plug-and-play N-EXT is a turnkey nitriding system built on a self-contained platform that includes the furnace, control system with Nitreg® technology, and an exhaust neutralizer for clean and green processing. Its small footprint allows it to fit into limited spaces within a plant. 

The new Nitrex system complies with AMS2750 for pyrometry and AMS2759/10 for controlled nitriding standards. With a temperature distribution of ±5°C, it is suitable for nitriding H11 and H13 extrusion dies.

With Lenox Group, the need for a fast delivery also weighed in heavily when choosing Nitrex. The system was delivered and started up in the first quarter of 2022.

“Lenox Group could always count on our guidance and involvement through every stage of the project,” said. “This is the story of a long-term relationship, and an experience rewarded with a signed contract after talks spanning several years.”

MORE INFO  www.nitrex.com