
Vacuum Annealing Furnace
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
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.
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) |
|---|---|---|
| 500 | 600 × 1 100 × 650 | 650 |
| 800 | 700 × 1 300 × 850 | 1 200 |
| 1100 | 900 × 1 500 × 850 | 1 500 |
| XXL | 900 × 1 500 × 1 300 | 2 200 |
Reliable service throughout your entire furnace lifecycle
We support our customers throughout the entire lifecycle of their furnaces – from commissioning and operation to modernization and digital integration.
FAQ – Aichelin Vacuum Annealing Furnaces
Let’s Discuss Your Heat Treatment Requirements!
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.

