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1400-DEG F BOX FURNACE FROM GRIEVE

No. 863 is an electrically heated 1400-deg F(~760-deg C) box furnace used for preheating molds.

Posted: February 10, 2011

No. 863 is an electrically heated 1400-deg F(~760-deg C) box furnace from Grieve (Round Lake, IL), currently used for preheating molds. 52 KW are installed in nickel chrome wire coils supported by a stainless steel frame. A heat-resisting alloy recirculating blower is powered by a 7½ HP motor with a V-belt drive. The blower provides upward airflow to the oven. Workspace dimensions are 30 in wide x 48 in deep x 30 in high.

The oven was specially built with inert atmosphere construction. This consists of a continuously welded outer shell, high temperature door gasket, sealed heater terminal boxes, inert atmosphere inlet and inert atmosphere outlet.

Controls onboard No. 863 include a motor-operated vertical lift door and a 4-point strip chart recorder.

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