140 Position Vacuum Arc Melting Furnace for Refractory Metal and Alloy Synthesis

Product Overview

This advanced vacuum arc melting furnace is engineered for high-purity melting of refractory metals and alloys under controlled atmosphere. With a unique 140-position crucible design, it enables sequential or batch processing of diverse samples, making it an indispensable tool for material research and small-scale production. The system combines a high-vacuum environment with ultra-high temperatures up to 3500°C, ensuring clean, oxidation-free melts.

Designed for demanding laboratory environments, this unit excels in producing high-quality melts from powders, wires, chips, and irregular shapes. Its integrated suction casting station allows for direct fabrication of bulk amorphous alloys, expanding its utility in advanced material development. Backed by robust engineering, it delivers repeatable performance in continuous operation, trusted by leading research institutes worldwide.

Key Features

• Ultra-High Temperature Capability: Electric arc generates temperatures exceeding 3500°C, sufficient to melt even tungsten and other refractory metals effortlessly.
• 140-Position Crucible Array: Multi-station design accommodates 140 hemispherical cavities (Ø20×12 mm each) with 5–20g capacity per position, enabling high-throughput material screening and alloy development.
• Electromagnetic Stirring Integration: One station includes built-in electromagnetic stirring, promoting homogeneous mixing and compositional uniformity in the melt pool.
• In-Situ Sample Manipulation: A manual flip and transfer mechanism allows for turning over or moving samples between stations without breaking vacuum, saving time and preventing contamination.
• Vacuum Suction Casting Module: An additional casting station with 30–80g capacity features a quick-release slip-fit mold design, ideal for producing bulk metallic glasses and shaped castings directly from the melt.
• High Vacuum Performance: Equipped with a direct-drive pump and turbo molecular pump, the system achieves an ultimate vacuum of ≤5.0×10⁻⁴ Pa, ensuring minimal oxygen and impurity pickup.
• Precision Motorized Control: Electrode positioning, arc swinging, and station indexing are all motorized and controlled via a handheld pendant, offering effortless 360° manipulation and ergonomic operation.
• Side-Door Access with Observation Window: The vessel features a conveniently positioned side door for easy loading/unloading, plus a large viewing port to monitor the melting process in real time.
• Flexible Feedstock Compatibility: Accepts a wide range of input forms—powders, wires, chips, granules, strips, and irregular shapes—accommodating diverse research needs.
• PLC Touchscreen Interface: All process parameters are managed through an intuitive touchscreen PLC controller, enabling precise recipe control, data logging, and repeatable operation.

Applications

Technical Specifications

Why Choose This Product

• Proven High-Temperature Reliability: Engineered to sustain 3500°C arc conditions cycle after cycle, with minimal electrode wear and consistent arc stability, ensuring long-term research campaigns without downtime.
• Contamination-Free Processing: The combination of a high-vacuum molecular pump system and pure argon backfill guarantees an oxygen-free environment, preserving sample purity and enabling synthesis of sensitive reactive materials.
• Modular Customization: From crucible geometries to casting mold shapes, this platform can be tailored to specific experimental requirements. Additional options like electromagnetic stirring, specialized gas environments, and automation upgrades are readily available.
• Ergonomic and Safe Operation: Side-loading design, electric controls, and a handheld pendant reduce operator fatigue and risk, while the PLC interface provides clear process monitoring and safety interlocks.
• Global Service & Support: Backed by responsive technical assistance, installation guidance, and comprehensive documentation, helping you maximize the system’s utility. Contact us today for a detailed quote or to discuss your custom configuration needs.