Small Bell Jar Arc Melt Furnace MODEL ABJ - 3380 pages

Small Bell Jar Arc Melt Furnace
MODEL ABJ-338
Our small bell jar arc melt furnace is a compact turn-key system and provides a cost saving
alternative to resistance and induction furnaces. It is simple to operate, extremely reliable
and has a low acquisition and operating cost. The furnace can instantly reach temperatures
over 3500ºC, and will cool down to room temperature in minutes. MRF will provide custom
melt cavities in the hearth plate at the customer’s request. The many available options such
as load locks, splat rod, crystal growing kit, high vacuum systems, etc, make this furnace
versatile and adaptable.
MRF Model ABJ-338 Bell Jar Arc Melting Vacuum Furnace specifications:
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Operating temperature: over 3500ºC.
Small Bell Jar hinged loading configuration.
100% 304L grade stainless steel vacuum
chamber construction.
Copper stinger with tungsten electrode.
Custom copper hearth plate 3.38” dia. (85mm
dia.) arrangement.
Sight window with 2.75" dia. viewport.
One illumination port with halogen light.
Power supply: 400 Amp @ 60% Duty Cycle, 35 kVA.
Power cables 1.8 meters long, water-cooled.
Pressure relief port.
Water safety interlock.
Inert gas system.
Pumping system with roughing pump, vacuum
gauge and valve.

Common Applications:
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Powder melting
Creating alloys
Metallic buttons
Arc Casting

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Annealing
Crucible welding
Material densification

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