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Arc 50 Cold Crucible Arc Melting Furnace and Casting Module

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Testmelt of Arc50

The Arcast Inc Micro Vacuum Arc Melter offers the ability to melt, cast and rapidly solidify metal alloys of nominal 50 gram mass using a clean, ceramic free cold crucible process. You can use it to melt and alloy metals at over 3000 Deg. C, such as titanium alloys, memory alloys and bulk amorphous glass alloys. The furnace is enclosed in a quartz vacuum chamber and offers many standard options. The standard options include:

There are also two vacuum options: medium (1E-2 mbar) and high (5E-6 mbar). All options are designed for quick cycle times and user friendly operation.

The intended use for the Vacuum Arc Melter is to allow metallurgists and technicians to alloy reactive or nonreactive metals, and cast these alloys with the least running and capital costs, while maintaining a high engineering standard.

Specifications   Requirements
Capacity: 50g Nominal   Electrical: Requires 1-Phase Power,
Crucible/Hearth: Copper Water Cooled     208 – 240 VAC, 50/60 Hz
  Graphite (Optional)     10kVA
Chamber: 304 Stainless Steel   Water: 4 lpm below 30 deg. C. @ 5bar
Arc/Torch Tip: Thoriated Tungsten Rod   Gas: Argon or other inert gas
Melt Tempurature: Over 3000 Deg C.      

Arc 50 cold Crucible Furnace showing crucible and isolating cylinder

Above, the original concept; below, the concept realized

Arc 50 Furnace, shield closedArc 50 Furnace, Shield Open
Arc 50 MeltingButton CrucibleArc 50 Button Cooling
Button casting and custom crucibles are availableArc 50 installed
Typical Arc 50 installation, with power supply and vacuum pump