gas quench furnace

Heat Treat Furnace Amplifies Large Die Manufacturer’s Capabilities

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Peter Zawistowski
Managing Director
SECO/VACUUM TECHNOLOGIES, USA
Source: SECO/WARWICK

A U.S.-based international manufacturer of dies will expand their operation with a high-pressure gas quench furnace. The equipment will accommodate increasing orders for the company’s largest dies.

The manufacturer’s equipment requires the use of precisely heat treated large dies. Currently the company utilizes a pair of vacuum furnaces that have some limits. The Vector® furnace they are about to receive from SECO/VACUUM, a SECO/WARWICK Group company is bottom loading with 6 bar nitrogen gas quench, 60”x 72”, with a 3-ton capacity working zone. This is room enough to treat 3 of their largest dies at once compared to only 2 per cycle for the old furnace. 

With [the furnace’s] wide range of quenching features, [the manufacturer will] have room to grow, even enabling them to conduct low-pressure carburizing processes if they ever need to,” said Peter Zawistowski, managing director of SECO/VACUUM. 


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Massive H13 Extrusion Dies Heat Treat Hardened for Ohio Companies

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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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