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Vacuum Annealing Furnaces

Aichelin vacuum annealing furnaces are designed for annealing and stress relieving processes under oxygen-free conditions.

Product details

  • Batch sizeUp to 1,000 × 1,500 × 1,000 mm and more
  • Batch weightUp to 2,000 kg
  • Heating capacityUp to 260 kW
  • Vacuum rangeUp to 10⁻² mbar
  • Energy savings25–30% compared to conventional systems
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Vacuum Annealing Furnaces
Clean and stress-free heat treatment under vacuum

Aichelin vacuum annealing furnaces operate under controlled vacuum conditions to prevent oxidation during the heat treatment process. Precise temperature control ensures uniform annealing and minimizes component distortion, making these systems ideal for applications with high requirements for dimensional accuracy and surface quality.

Additional technical features

  • Excellent temperature uniformity using Inconel heating elements

  • High-density ceramic fiber insulation for maximum energy efficiency

  • Faster heating and cooling cycles through optimized gas circulation

  • Process stability down to 10⁻² mbar vacuum range

  • Gas circulation with N₂, H₂, Ar, or He available

  • Compact design for easy maintenance

Industries

  • Aviation and Aerospace Industry
  • Automotive Industry
  • Energyindustry
  • Tool and Die Making Industry
  • Heat Treatment Facilities
  • Medical Technology Industry

Processes

  • Tempering
  • Annealing
  • Aging
  • Stress Relieving Annealing

Parts

  • Aircraft components
  • Gear parts
  • Machine construction
  • Tools
  • Medical engineering
Technical data
Standard sizes of vacuum annealing furnaces

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

​Batch dimensions W × L × H (mm)Max. gross batch weight (kg)
500600 × 1 100 × 650650
800700 × 1 300 × 8501 200
1 100900 × 1 500 × 8501 500
XXL900 × 1 500 × 1 3002 200
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 Annealing Furnaces
An Aichelin vacuum annealing furnace is designed for precision heat treatment processes such as annealing, stress relieving, and ageing with metallic bright surfaces and reproducible results.
Aichelin vacuum annealing furnaces provide precise temperature control, fast process cycles, bright components, and up to 30% energy savings compared to conventional systems while maintaining consistent product quality.
They are suitable for high-precision heat treatment processes in aerospace, automotive, tooling, energy, and medical industries.
Aichelin offers vacuum heat treatment solutions fully compliant with international standards such as AMS 2750, ASTM, NADCAP, and NADCA CQI-9.
Via a SCADA-based process control system with automatic documentation and trend analysis.
Aichelin offers vacuum heat treatment solutions fully compliant with international standards such as AMS 2750, ASTM, NADCAP, and NADCA CQI-9.
Aichelin offers comprehensive services for vacuum annealing furnaces: 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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