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2 in 1 Vacuum Melt Spinning System with Melting-Casting Function - EQ-VTC-500

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Item Number: VTC500
EQ-VTC-500 is a lab-scale vacuum melt spinning system for preparing amorphous metallic ribbons. In this technique, metal ingots (<50g) are melted via the induction heating method and then propelled by overpressurizing the crucible. A thin stream of molten is then dropped onto a fast-moving surface of a scold copper drum. This causes rapid quenching & solidification of the molten and thus forms the liquid metal alloy. 
   One extra swingable induction coil is included in the vacuum chamber to make the melting casting sample small ingot ( < 500 g)


  • The complete system consists of the stainless steel vacuum chamber, turbo & mechanical pumps, 25KW induction heating system, rack system, and one meter long discharging tubular collector
  • 300mm diameter copper flywheel with max. 45 meter /sec. spinning speed
  • Lab-scale system for melting metallic samples up to 50 grams per batch (material melting point < 1000°C)
  • Crucible to copper wheel distance adjustable 0~10mm (manual adjustment)
  • TC insert to the bottom of the crucible can measure the temperature above the melt (direct contact between the TC and melt should be avoided)
  • Featured a position adjustable "scraper" can prevent ribbon spin-off to the inside of the chamber 
  • Vacuum casting attachment is optional as a great add-on feature of the melt spinning system. (Please refer to the picture to the left to see the setups for vacuum casting and melt spinning. Casting crucible and mold is not included.)
Power Requirements
  • Input Voltage: 220VAC, Three-Phase, 60Hz
  • Input Power: 25 KW (50A breaker required)
Control Station
  • All functional controls in one panel: Temperature & induction power control, copper drum spinning speed & ON/OFF, Mechanical & Turbo Pump ON/OFF, solenoid valves for pump isolation and gas purging, Melt-Spinning ON/OFF. Please click pic.1 for details
  • Combined digital vacuum display for Pirani gauge and Ionized gauge. Please click pic.2 for details
               Pic.1     Pic.2
Vacuum Chamber & Pump
        Pic.1                        Pic.2
  • Stainless steel vacuum chamber: 400 W x 380 D x 600 H, mm, please click pic.1 to see detail
  • Hinged type door with quartz observation window (120mm dia.).
  • The extra coil is available for casting function is available upon request  (Please see pic.2 for details)
  • Built-in turbo backed by the mechanical pump can pump down the chamber to 5 x10 E-5 torrs within 30 minutes (Max. vacuum level 10E-7 torr with chamber baking)
Induction Heater
& Temperature Controller

  • Dual Station 25KW (30 - 80Khz) Induction Heater 
  • Max. sample load: 10 - 50g for a loose sample and 100g max with pressed sample (based on NbFeB material)
  • A precision temperature controller is integrated with B type TC (24'' long) insert inside the heating crucible. (direct contact between the TC and melt should be avoided)
  • 30 segments temperature profile programmable with +/- 2°C accuracy
  • Two standard BN crucibles are included in the package (Two nozzle sizes: 1mm diameter and  10mm L x 1mm W). Please click the pic.1 & pic.2 below for details
  • Two quartz crucibles for vacuum casting are included (1mm Diameter nozzle). Pls click pic.3 
  • Customized crucibles made of quartz, alumina or BN is available upon request at an extra cost
Gas Pressure & Solenoid Valves

  • PID pressure regulator is included to precisely control the gas pressure applied to the crucible in order to propel the molten out from the nozzle. Please refer to the picture on the left to see the device
  • Gas driven solenoid valves are used for isolating the pumps from the chamber when not used, chamber purging and pressure relief 
Spinning wheel
  • Copper flywheel without water cooling (300 mm Dia. x 40 mm W)
  • 0 - 45 meter / second (2850 RPM max.) adjustable
Casting function

  • The extra induction coil for bulk sample casting is included  using the same induction power supply
  • Customized water cold copper mold is available upon request at the extra cost. (Please specify sample size for a quote)
  • A water-cooling copper wheel is available upon request for > 500g melting at an extra cost
  • A water-cooling chiller is optional,  please click the rightmost image below to order
  • 2500 x 1000 x 2000mm (L x W x H); Chamber: 400 x 380 x 600mm (W x D x H)
Shipping Weight & Dimensions
  • Two Pallets
    • 1500 lbs, 80" x 41" x 87"
    • 550 lbs, 48" x 40" x 70"
  • CE Certified
  • NRTL certification is available upon request at an extra cost
Warranty One year limited warranty with lifetime support
Operation Manual & Video         
Application Notes
  • For better melt spinning, the sample shall is > 5 mm diameter bulk. If the sample is powder and smaller particle, must be pre-melt and casting into a > 5 mm diameter bulk
  • Please be advised that it is not every material that can be spun. In order to melt-spun successfully,  material melton must match suitable viscosity. It is the customer's responsibility to find the right composition, crucible size, and power supply
  • For the materials that can not be heated by induction well, you may add a graphite heating ring outside BN crucible to enhance temperature higher. Please contact the MTI team for details

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