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Vacuum Brazing Furnaces

Aichelin vacuum brazing furnaces are designed for reproducible brazing processes under vacuum with high joint quality.

Product details

  • Batch sizeUp to 900 × 1,500 × 900 mm
  • Batch weightUp to 5,000 kg and more
  • Process temperaturesStandard up to 1,350 °C – higher on request
  • LiningAll-metal or graphite insulation with multi-zone control
  • CoolingHigh-pressure gas quenching (N₂ / Ar / He / H₂) up to 20 bar
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Vacuum Brazing Furnaces
Reproducible brazing processes with maximum surface quality

Aichelin vacuum brazing furnaces enable clean brazing processes without oxidation at the joint interfaces. The controlled atmosphere ensures uniform wetting and stable joint quality, making these systems ideal for demanding joining applications in serial production.

Technical features

  • Vacuum down to 10⁻⁶ mbar for oxidation-free brazing

  • Brazing, hard brazing, and tempering in a single system

  • Heating system made of graphite or molybdenum

  • Energy-efficient cold-wall design

  • Heat treatment under argon, helium, nitrogen, or hydrogen in the partial pressure range

  • Advanced control system for optimized process control and monitoring

Technical data
Standard sizes of vacuum brazing furnaces

The following table shows the available sizes and batch data of Aichelin vacuum brazing furnaces:

Our Service & Support
Reliable service throughout your entire system lifecycle

We support our customers throughout the entire lifecycle of their systems – from commissioning and operation to modernization and digital integration.

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Questions & Answers
FAQ – Aichelin Vacuum Brazing Furnaces
An Aichelin vacuum brazing furnace is a high-precision system for joining metallic components at elevated temperatures under vacuum. The controlled atmosphere enables oxidation-free, dense, and durable brazed joints, even for complex geometries.
Vacuum brazing in Aichelin furnaces offers key advantages: uniform heating and controlled cooling for low distortion, clean and defect-free joints without oxidation, and the ability to combine processes such as brazing, hardening, and tempering. Precise control and efficient insulation ensure high energy efficiency, process stability, and reproducibility.
Aichelin vacuum brazing technology is used across a wide range of industries, including aerospace, energy technology, tool and die making, automotive, medical technology, and commercial heat treatment operations.
Aichelin vacuum brazing furnaces operate at process temperatures up to 1,350 °C and can process a wide range of base materials and filler metals, including copper, nickel, and stainless steels. Precise temperature control ensures uniform joints without surface oxidation.
Key features include all-metal heating systems with uniform temperature distribution, multi-zone heating for high reproducibility, and advanced insulation for improved energy efficiency. Integrated multi-process capability allows brazing, hardening, and tempering within a single system.
Aichelin provides vacuum heat treatment solutions fully compliant with international standards such as AMS 2750, ASTM, NADCAP, and NADCA CQI-9.
Aichelin offers comprehensive services: maintenance, modernization, spare parts supply, TUS/SAT testing, leak testing, and remote support to ensure maximum system availability.
Consultation & Inquiry

Request consultation on systems and components

We are happy to support you with questions regarding heat treatment systems, components, and process requirements. We assist you in selecting the optimal system solution.

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