ALLOY MUFFLE BENCH FURNACE MINIMIZES SCALE OXIDATION ON TREATED PARTS
The Model 7000AM electrically heated bench furnace from Lucifer Furnaces is rated for operation to 2050 deg F and is ideal for annealing M4 electrical steel used in the construction of protective relays and switches.
Posted: November 16, 2010
Lucifer Furnaces' (Warrington, PA) Model 7000AM is an electrically heated bench furnace currently in operation for annealing M4 electrical steel used in the construction of protective relays and switches. Rated for operation to 2050 deg F, the 10 in x 10 in x 12 in workspace is lined with a heavy gauge flat wall alloy muffle for use with a nitrogen atmosphere.
The muffle separates the chamber refractory and heating elements from the workload and inert protective atmosphere to achieve a lower dew point that minimizes scale and oxidation on the parts being treated. Heating element panels, located on the side walls and below the hearth, are designed with coiled Kanthal wire in V grooves to provide maximum radiation and fast heat response time.
The 7000AM unit is built with a silicon carbide hearth plate to fully support the muffle and conduct and transmit heat from the floor elements providing uniform temperature. A double pivot, insulated, horizontal swing door with a ceramic gasket provides a complete seal against the muffle flange.
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