extrusion dies

Massive H13 Extrusion Dies Heat Treat Hardened for Ohio Companies

/ FEATURED NEWS, MANUFACTURING HEAT TREAT, VACUUM FURNACES NEWS

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Michael Johnson
Director of sales
Solar Atmospheres of Western PA

Two large H13 extrusion dies for two separate companies were vacuum heat treated in a high pressure gas quench vacuum furnace that fully hardened the dies in successive cycles.

Solar Atmospheres, using a furnace from Solar Manufacturing, provided two Ohio companies as-quenched dies with hardness of HRC 50-52 using nitrogen as the quench gas. The hollow die was 30” outer diameter x 15” inner diameter x 103” long and weighed 16,000 pounds. The solid die, belonging to a different customer, was 34” outer diameter x 64” long and weighed 14,000 pounds. Post-quench each component was triple air tempered resulting in a final hardness of HRC 46-48.

The 10-bar 600 HP high pressure vacuum furnace permits the company to obtain the desired cooling rates, commented Mike Johnson, director of sales at Solar Atmospheres.

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Nitriding System To Bring Heat Treat In-House

/ ALUMINUM PROCESSING NEWS, FEATURED NEWS, MANUFACTURING HEAT TREAT, NITRIDING NEWS

HTD Size-PR LogoThe Lenox Group, an aluminum extrusion profiles company, decided to add a turnkey nitriding system from a supplier with North American locations. The new heat treat furnace will further aid in production of products like windows, doors, solar panels, lighting systems, etc.

Marcin Stokłosa
Project Manager
Nitrex Poland
LinkedIn.com

Lenox has opted to bring operations in-house (in Bulgaria) to improve die reliability through more stringent quality control. “Previously, the company sent extrusion dies for salt bath nitriding and gas nitriding," explains 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."

The N-EXT 412 is a compact-size Nitrex gas nitriding furnace for low volume quantities. This turnkey nitriding system is built on a self-contained platform that includes the furnace, control system with Nitreg® technology, and an exhaust neutralizer for clean and green processing. With a temperature distribution of +/-5°C, it is suitable for nitriding H11 and H13 extrusion dies.

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Captive Extrusion Die Maker Levels Up With 11 New Furnaces

/ FEATURED NEWS, MANUFACTURING HEAT TREAT, VACUUM FURNACES NEWS

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Peter Zawistowski
Managing Director
SECO/VACUUM TECHNOLOGIES, USA
Source: secowarwick.com

An international extrusion die maker with in-house heat treating is set to modernize its gas-fired combustion technology with eleven furnaces at three U.S., Canada, and Mexico locations. The upgrade: new vacuum, nitriding, and tempering furnaces that will increase consistency and precision nitriding potential and reduce gas emissions. 

SECO/VACUUM will deliver four Vector® single-chamber gas quench vacuum furnaces, six tempering furnaces, and one ZeroFlow® pit-type gas nitriding furnace for use in the aluminum extrusion industry.

"This is a big deal for the customer," said Peter Zawistowski, managing director of SECO/VACUUM.  "They’ll benefit from a complete modernization of their heat treatment capabilities across all of North America with clean, efficient vacuum heat treatment technologies. It’s a bigger deal for vacuum heat treating as a whole. It proves we’ve made great strides in the industry to convert legacy atmosphere users into vacuum technology believers."

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