HT-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)
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Specifications:
Features | l 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 l 300mm diameter copper flywheel with max. 45 meter /sec. spinning speed l Lab-scale system for melting metallic samples up to 50 grams per batch (material melting point < 1000°C) l Crucible to copper wheel distance adjustable 0~10mm (manual adjustment) l 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) l Featured a position adjustable "scraper" can prevent ribbon spin-off to the inside of the chamber l Vacuum casting attachment is optional as a great add-on feature of the melt spinning system. |
Power Requirements | l Input Voltage: 220VAC, Three-Phase, 60Hz l Input Power: 25 KW (50A breaker required) |
Control Station | l 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. l Combined digital vacuum display for Pirani gauge and Ionized gauge. |
Vacuum Chamber & Pump | l Stainless steel vacuum chamber: 400 W x 380 D x 600 H, mm l Hinged type door with quartz observation window (120mm dia.). l The extra coil is available for casting function is available upon request l 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 | l Dual Station 25KW (30 - 80Khz) Induction Heater l Max. sample load: 10 - 50g for a loose sample and 100g max with pressed sample (based on NbFeB material) l 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) l 30 segments temperature profile programmable with +/- 2°C accuracy |
Crucibles | l Two standard BN crucibles are included in the package (Two nozzle sizes: 1mm diameter and 10mm L x 1mm W). l Two quartz crucibles for vacuum casting are included (1mm Diameter nozzle). l Customized crucibles made of quartz, alumina or BN is available upon request at an extra cost |
Gas Pressure & Solenoid Valves | l 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. l Gas driven solenoid valves are used for isolating the pumps from the chamber when not used, chamber purging and pressure relief |
Spinning wheel | l Copper flywheel without water cooling (300 mm Dia. x 40 mm W) l 0 - 45 meter / second (2850 RPM max.) adjustable |
Casting function | l The extra induction coil for bulk sample casting is included using the same induction power supply l Customized water cold copper mold is available upon request at the extra cost. (Please specify sample size for a quote) l A water-cooling copper wheel is available upon request for > 500g melting at an extra cost l A water-cooling chiller is optional |
Footprint | l 2500 x 1000 x 2000mm (L x W x H); Chamber: 400 x 380 x 600mm (W x D x H) |
Shipping Weight & Dimensions | l Two Pallets ① 1500 lbs, 80" x 41" x 87" ② 550 lbs, 48" x 40" x 70" |
Warranty | l One year limited warranty with lifetime support |
Application Notes | l 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 l 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 l 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. |
Specifications:
Features | l 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 l 300mm diameter copper flywheel with max. 45 meter /sec. spinning speed l Lab-scale system for melting metallic samples up to 50 grams per batch (material melting point < 1000°C) l Crucible to copper wheel distance adjustable 0~10mm (manual adjustment) l 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) l Featured a position adjustable "scraper" can prevent ribbon spin-off to the inside of the chamber l Vacuum casting attachment is optional as a great add-on feature of the melt spinning system. |
Power Requirements | l Input Voltage: 220VAC, Three-Phase, 60Hz l Input Power: 25 KW (50A breaker required) |
Control Station | l 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. l Combined digital vacuum display for Pirani gauge and Ionized gauge. |
Vacuum Chamber & Pump | l Stainless steel vacuum chamber: 400 W x 380 D x 600 H, mm l Hinged type door with quartz observation window (120mm dia.). l The extra coil is available for casting function is available upon request l 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 | l Dual Station 25KW (30 - 80Khz) Induction Heater l Max. sample load: 10 - 50g for a loose sample and 100g max with pressed sample (based on NbFeB material) l 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) l 30 segments temperature profile programmable with +/- 2°C accuracy |
Crucibles | l Two standard BN crucibles are included in the package (Two nozzle sizes: 1mm diameter and 10mm L x 1mm W). l Two quartz crucibles for vacuum casting are included (1mm Diameter nozzle). l Customized crucibles made of quartz, alumina or BN is available upon request at an extra cost |
Gas Pressure & Solenoid Valves | l 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. l Gas driven solenoid valves are used for isolating the pumps from the chamber when not used, chamber purging and pressure relief |
Spinning wheel | l Copper flywheel without water cooling (300 mm Dia. x 40 mm W) l 0 - 45 meter / second (2850 RPM max.) adjustable |
Casting function | l The extra induction coil for bulk sample casting is included using the same induction power supply l Customized water cold copper mold is available upon request at the extra cost. (Please specify sample size for a quote) l A water-cooling copper wheel is available upon request for > 500g melting at an extra cost l A water-cooling chiller is optional |
Footprint | l 2500 x 1000 x 2000mm (L x W x H); Chamber: 400 x 380 x 600mm (W x D x H) |
Shipping Weight & Dimensions | l Two Pallets ① 1500 lbs, 80" x 41" x 87" ② 550 lbs, 48" x 40" x 70" |
Warranty | l One year limited warranty with lifetime support |
Application Notes | l 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 l 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 l 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. |
