SP-MSM207 is a compact arc melting furnace, consisting of a water-cooled tungsten electrode, a water-cooled copper hearth, and a water-cooled stainless steel chamber. A wobble stick is included to flip metallic sample for re-melting. A vacuum casting fixture can be added as optional. It is an excellent tool for melting metals into alloys.
Note: Upgrade Max current to 250A, since July 15, 2023
SPECIFICATIONS:
Features
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- Designed for melting samples < 10g refractory alloy up to 3500 °C under vacuum or ambient pressure.
- A water-cooled vacuum chamber, tungsten electrode, and copper crucible
- A DC power supply for melting current up to 250 A
- A wobble tungsten electrode with azimuthal and vertical adjustment and to melt samples in different cavities
- A wobble stick to flip samples for re-melting
- A tinted observation window.
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| Pressure Gauge |
- Choice of a pressure guage
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Power Supply
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- 7000W (250A) arc melting power supply with ETL Listed
- 208-240VAC, 1 and 3 ph, 50/60Hz.
@240V 1 Ph: 32A (50A breaker) @240V 3 Ph: 16A (30A breaker)
- Output DC output duty cycle:
- Minimum DC current output: 10 A
- Foot pedal control of the output current
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Tungsten Electrode
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- 4 mm Dia. tungsten electrode with water cooling
- Easy electrode tilting and height adjustment (30 mm max) for multiple-cavity melting
- Capable of melting samples < 10 g refractory alloy in each cavity up to 3500 °C.
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Copper Crucible
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- Water-cooled copper hearth with 7 cavities of 25 mm Dia. × 8 mm depth (2 ml) (Fig. 1)
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The customizable copper hearth is available upon request at extra cost (Pic 2 ).
- A larger arc melter, MSM200 is also available for Fe < 300 g
- A vacuum casting variation, MSM208 is also available (Fig. 4).
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 Fig1  Fig. 2
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Vacuum Chamber
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- Water-cooled vacuum chamber with dimensions of Φ 182 mm × 225 mm H
- A Φ120mm front door for easy sample loading and retrieving
- A tinted observation window on the front for monitoring the melting process
- A built-in wobble stick for sample flipping.
- Pressure < 3 psig
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Vacuum Pump (Optional)
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- The vacuum level is dependent on the vacuum pump used:
- 10^-2 torr via a roughing pump. (Roughing Pumps)
- 10^-5 torr via a turbopump.
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Water Chiller & Gas (Optional)
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| Compliance |
- CE certified
- UL/CSA certification by NRTLs is available at an extra fee.
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| Related Article |
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B.10 g 
