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Lucifer Furnaces, Warrington, Pa., has delivered a model HS8-181224 dual-chamber, high-temperature furnace to Compacting Tooling Inc., McKeesport, Pa., to add capacity for CPM high-speed steel heat treating.
The custom-designed furnace, powered with 42 kW, reaches 2,450 degrees F in the upper chamber and 1,200 degrees F in the lower tempering oven. A combined 6.5 in. of ceramic fiber modules with mineral wood backup insulation allows for fast heating/cooling cycles.
Silicon carbide heating elements operate off the line through an SCR power supply with a current-limiting circuit that automatically adjusts the voltage to elements as their resistance increases. Heat-treating recipes can be stored in the Honeywell digital temperature controllers with a seven-day timer. High limit controllers were added for safety.
-The
18th Guangzhou Die-casting, Foundry & Industry Furnace Exhibition
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