VBF-1200X-T Compact Arc Assisted Vacuum Melting Furnace for High-Temperature Refractory Metals up to 2000℃
The VBF-1200X-T is engineered to facilitate the melting of small batches of high-temperature refractory metals and rare metal alloys such as neodymium. This compact vacuum arc melting furnace is optimized for laboratory-scale sample preparation, offering precise control over melting conditions to achieve uniform and high-purity ingots.
The furnace employs a dual tungsten electrode system where one electrode is connected to a stainless steel crucible and the other inserted into a graphite crucible. The graphite crucible is heated by a low-voltage DC power supply, while the quartz tube enclosing the crucible is maintained at a uniform temperature of up to 1100℃ by a vertical resistance box furnace. This setup ensures stable melting conditions and temperature uniformity during the arc melting process, which can reach temperatures up to 2000℃.
주요 기능
- 8-inch vacuum quartz tube with sealed flange inserted vertically into a muffle furnace for controlled atmosphere melting.
- Dual tungsten electrodes generate arc plasma inside the graphite crucible, enabling melting temperatures up to 2000℃.
- Secondary feeding device integrated into the furnace flange allows addition of doping materials during melting.
- Vertical box furnace heats the quartz chamber to 1100℃ to maintain sample temperature post-melting.
- PID temperature controller with ±1℃ accuracy and 30 programmable segments for precise thermal process control.
- Arc generator with DC power supply delivering up to 200A current and 18V output for stable arc plasma generation.
- Optional vacuum pumps available to achieve vacuum levels from 50 m-torr (mechanical pump) to 10^-5 torr (turbopump).
기술 사양
| 매개변수 | 사양 |
|---|---|
| Maximum Melting Temperature | Up to 2000℃ |
| Vacuum Tube Size | 8″ (single-ended quartz tube, Ф200 × 425 mm) |
| Box Furnace Power | 4 kW max, AC 220V 50/60Hz |
| Box Furnace Temperature Range | Up to 1100℃ continuous, heating rate ≤10℃/min |
| Temperature Controller | PID with auto-tune, ±1℃ accuracy, 30 programmable segments |
| Arc Generator Input Power | 208 VAC + PE, 50-60Hz, 10 kW |
| Arc Generator Output | 0-200 A max current, 0-18 V DC max voltage, constant power mode |
| Electrodes | Ceramic-sealed tungsten rods, KF clamp connection |
| Vacuum Level (Optional Pumps) | 50 m-torr (mechanical pump), 10^-5 torr (turbopump) |
대표적인 적용 분야
Ideal for preparing small samples of rare metal alloys and refractory metals requiring high melting temperatures and controlled atmospheres. Commonly used in research laboratories for alloy development, material synthesis, and metallurgical studies involving neodymium and similar metals.
구성 및 작동 안내
The furnace includes a feeding device integrated into the flange for adding doping materials during the melting process. Water cooling is required for the vacuum flange, and an optional recirculating water chiller can be ordered separately. Vacuum pumps are optional accessories and must be selected based on desired vacuum levels. The system features built-in protections for overheating and thermal couple failure to ensure safe operation.
