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

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EQ-SKJ-ZM1650 is a 1650°C maximum zone melting furnace system for directional solidification of metal purification.  It can be used for single crystal growth with the crystal top seed loading.    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. Specifications:

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: 16 L/min
  • Water Tank: 12 Liters made of stainless steel
  • Note: It is recommended to use a specific 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
  • 350 lbs, 49x41x58"
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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