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Vacuum Gas Quenching Furnaces

Aichelin vacuum gas quenching furnaces enable controlled cooling processes under defined conditions for precision components.

Product details

  • Batch sizeUp to 1,000 × 1,500 × 1,000 mm and more
  • Loading configurationHorizontal and vertical
  • Process temperatures200–1,350 °C
  • LiningGraphite or molybdenum
  • CoolingHigh-pressure gas quenching up to 20 bar (N₂ | Ar | He | H₂)
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Vacuum Gas Quenching Furnaces
High-pressure gas quenching for low-distortion hardening processes

Aichelin vacuum gas quenching furnaces are designed to cool components uniformly and in a controlled manner after heat treatment. Precisely adjustable quenching parameters allow reproducible control of cooling rates, which is particularly beneficial for components with tight tolerances and high quality requirements.

Additional technical features

  • Integrated partial pressure control to prevent alloy evaporation in the range of 10⁻² mbar to 10⁻⁶ mbar

  • Energy-efficient cold-wall design

  • SCADA-based process control system with automatic documentation

  • Maintenance-friendly design with good accessibility

Industries

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

Processes

  • Hardening
  • Tempering
  • Soldering
  • Annealing
  • Low Pressure Carburizing (LPC)

Parts

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

The following table shows the available sizes and batch data of Aichelin vacuum gas quenching 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 Gas Quenching Furnaces
An Aichelin vacuum gas quenching furnace is a heat treatment system operating under vacuum, where components are quenched using high-pressure gases up to 20 bar – ensuring bright surfaces, high precision, and minimal distortion.
The system ensures reproducible hardness results, high surface quality, and low energy consumption through cold-wall design and SCADA-based control.
It is suitable for components with high dimensional accuracy requirements, such as gears, shafts, and turbine components in aerospace and automotive industries.
Nitrogen, argon, helium, or hydrogen can be used for cooling; gas pressure is adjustable up to 20 bar depending on the component.
Via a SCADA-based process control system with automatic documentation and trend analysis.
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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