Features

• A water-cooled copper hearth has 4 small cavities for alloy melting of  4 x 8 g up to 3500ºC max
• The central tube holder allows refractory tube seals, such as Ta, Nb, and Mo.
• 6.6 " ID (168 mm) quartz chamber for observation and protection. 
• Easy electrode tilting and height adjustment
• Compact footprint: can put in a standard Ar gas glovebox with a purification system
• The power cable and water feedthrough will be provided for the glovebox version. 
• Vacuum suction casting 4 mm Dia. The sucking force is generated by evacuating the bottom of the cold copper casting mold. This results in rapid solidification of the melt which is ideal for reducing the shrinkage cavity defects.

 Power Supply  (185A)

• Input voltage: 208V- 240 VAC, single phase, 50/60 Hz
• Power: up to  4000 W @ 240 V. 
• Current: 17A max. @ 240 V (30 Amp power breaker is highly recommended)

 Power Supply  (160A)

• Input voltage: 120 or 240 VAC, single phase, 50/60 Hz (30 Amp power breaker is highly recommended)
• Max Rated current:
  • 120V: 90A-for low melting point metal < 1100oC)
  • 240V: 160A- for melting point metal > 1100oC
• Current @ Rated Duty Cycle

 Tungsten Electrode Gun

• Ø4 mm  tungsten electrode WITHOUT water cooling  
• Max. continuous melting time: 30 s. 
• Electrode tilting and height adjustment (30 mm max) for multiple samples
• Capable of melting samples < 8 g (SS304) in each cavity        

 Copper Hearth

• Water-cooled copper hearth (90 mm diameter) with 4 cavities of φ23x D7 mm.
• Up to 8g (SS304) in each cavity   

Fixture for Tube Seal

• To seal refractory metal tubes, use the welding tube central holder at the center of the copper hearth for adjustable tube sizes: Ø3~16mm Dia. x 30~90 mm Length.
•  

Chamber

• Quartz chamber with vacuum-sealed flange
• Quartz Tube size: OD180 mm x ID 168 mm x Height 150 mm
• A metal shield case is included for use outside a globebox
• Two KF25 and one KF16 port 
• Vacuum level: 10-5 torr by the turbopump

Feedthrough
(Only included in the glovebox version)

• Feedthroughs for use in a glove box
  • KF25 / KF40 vacuum feedthrough x1
  • KF25 angle valve
  • KF25 bellows × 2 
  • KF40 gas inlet/outlet x 1
  • KF40 water inlet/outlet x 1
    
  • KF40 electric feedthrough x 2
  • A total of 5 KF40 ports on a glove box is required. 

Water Chiller (Optional)

• Water cooling is required but not included. 
• Please check out our KJ5000 recirculation water chiller
• Water tubing for KJ5000: 12mm O.D x 8mm I.D

Vacuum casting (Optional)

• Vacuum casting is available upon request at an extra cost (+ $ 2312)
• The casting mold is made of copper and placed in the center of the copper hearth.
• The standard casting mold is for the rod of 6 mm dia x 50 mm L. Other size rods (3-5 mm) are available
• The casting mold kit includes all necessary components, as shown in the picture below for immediate use
• 

For use inside the glovebox

• To operate the furnace inside the glovebox, the metal case can be removed for operation with ease. A pair of Goggles with tinted glasses shall be worn during melting.

• A vacuum pump is preferred but not included.
• 10^-2 torr via a roughing pump. (Roughing Pumps) 
  

• High-purity 4N argon is preferred
• <3% Hydrogen + 95% Argon gas may be used to prevent oxidation during the melting process.

• CE certified
• UL or CSA certification by NRTLs is available at an extra cost. Please contact us for the quote. Click here to understand the certificate and conditions