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1650C Vacuum Induction Zone Melting System for Directional Solidification - EQ-SKJ-ZM1650

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Item Number: SKJ1650ZM

EQ-SKJ-ZM1650 is a 1650°C max. zone melting system for directional solidification and zone melting. Equipped with a 10 kW ultra-high-frequency induction power supply, it can melt thin metallic rods at ease. The dual translational stages for induction coil and sample holder allow customers to try different growth methods in one working station, such as top-seed growth, Bridgeman, and zone melting. 
The hermetic quartz chamber is compatible for operations under vacuum or inert gas flow. 

Key Features:
1. Vacuum Induction Zone Melting for metallic material
2. Vacuum sealed quartz tube chamber sample loading;
3. Induction coil traveling by servo motor.


Advanced Features
  • Maximum temperature: 1650 ºC 
  • Vacuum or Atmosphere controlled
  • Induction coil traveling distance: Max. 300 mm
  • Applications: melt purification, directional solidification, or  single crystal growth for metallic material
  • Voltage: AC 220 V, Three Phases
  • 50/60Hz
  • 15 KW
PLC Control
  • Touch Screen, User-Friendly
  • Parameters: Induction coil and crucible position, Moving speed, Induction power by percentage, Temperature
Working Temperature 
  • Induction Heating with 15 KW power supply
  • Maximum Working Temperature: 1650°C ( <1hr)
  • Frequency: 30 - 80 KHz
  • Digital Temperature control:  +/- 2ºC
Tube and Flange
  • 2" O.D. High purity quartz tube ( smaller tube is available upon request )
  • Top stainless steel flange with KF 25 vacuum connection port, mechanical pressure gauge, over-pressure relief valve
  • Bottom stainless steel flange with the gas delivery port and 1/4" Feedthrough for the thermal couple
  • Graphite crucible 40 mm O.D x 60 mm H with the Boron Nitride Liner
  • One thermal couple on the bottom of the crucible for temperature control
Coil Traveling Mechanism

  • Maximum traveling distance of coil: 150 mm
  • Servo motor controlled
  • High speed: 0 - 200 mm/min
  • Slow speed for single crystal growth: 1 - 50 mm/hr
  • The speed mode can be customized with extra cost
Water Chiller

  • Temperature range: 5 - 30°C
  • Water Flow Rate: 58 L/min
  • The KJ6200 water chiller is included
  • Water Tank: 15 Liters made of stainless steel
  • Note: It is recommended to use a coolant to get the best performance.
Vacuum Pump (Not included)
  • 10E-2 torr via dual-stage mechanical vacuum pump (bottom right picture)
  • 10E-5 torr via Turbopump (bottom left picture)
  • The vacuum pump is optional. Please click here to choose a vacuum pump.
  • CE certified
  • NRTL certification is available upon request at $5000 extra
  • One-Year limited warranty with lifetime support

  • 600 mm L X 500 mm W X 800 mm H
Net Weight
  • 75 kg
  • 165 lbs
Shipping Weight & Dimensions
  • 1000 lbs, 53"x43"x59"
  • 550 lbs, 44"x32"x71"
Installation Video

 Application note

  •  In order to zone melting for metallic materials, you may make a solid rod sample from powder before zone melting via CIP as the link below

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