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Aichelin Unitherm Endo gas generator

Endo Gas Generator

Proven technology for carburizing and heat treatment under protective gas.

Product details

  • System typesProtective Gas Generator
  • Operating modesManually or Automatic quantity control.
  • CapacityEndo 20, 30, 40, 60, 80, 3 100, 120 m /hr.
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Auxiliary equipment for heat treatment plants
Protective Gas Generator

Gas carburising processes and other heat treatments under protective gas, where the carbon exchange with the work piece surface plays an important role, make high demands on the controllability of the atmosphere. The carrier gas procedure using endogas, proven since many years, offers the best atmosphere conditions and accordingly process engineering for the following:

  • Exact process control

  • Best reproducibility of the final results

  • High quality requirements.

  • Capacity varying from Endo 20, 30, 40, 60, 80, 100, 120 m /hr.

The λ-probe control

The measuring gas is conducted through a temperature constant-probe. At the same time a mV-signal is emitted by the λ-probe, which is used for measuring, control and regeneration of the Endogas-composition and is displayed in °C dew point.

A very precise control of gas/air mixture is required to produce constant quality of endogas.

Quantity control

The Endogas generator capacity can be adjusted to therequired capacity manually or by automatic quantity control. The unused protective gas is burned off in manually controlled Endo Gas Generator. In automatic controlled quality control system the amount of Endogasis generated automatically with minimum wastage at burn-off. Through adapted design and using the imported compressor the Endogas generation can be controlled in the range of 100 %, 75% and 50 % of the nominal capacity is now possible.

Advantages:

  • Protective gas quantity according to requirements

  • Reduction of costs

  • No difficult manual adjustments

Fully automatic regeneration device (optional)

This device enables a fully automatic regeneration of the protective gas generator, whereby the start can be carried out

  • Manually

  • Automatically with time control

The production of protective gas is stopped automatically when the generator temperature is reduced to regeneration temperature, and the generator is regenerated afterwards. 

When the auto generation (de-sooting) mode is selected, the production of protective gas is stopped automatically. The generator temperature is reduced to the regeneration temperature and regeneration (de-sooting) is completed.

After the regeneration, the ENDOMAT® is automatically heated up again to operation temperature and prepare for protective gas production again.

Additional technical features

  • With immersion, dunking, spraying and drying.

  • Spraying system with rotating jet arms.

  • Option of one / two washing liquid containers with mild steel / stainless steel construction.

  • Drying device by hot air (optional)

  • Coalescence oil separation by disk-phase separator working on the principle of gravity and coalescence.

  • Fresh water automatic top-up to spray and rinse tank. OPTIONS AVAILABLE

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

Questions & Answers
FAQ – Aichelin Unitherm Endo Gas Generator
The Aichelin Unitherm Endo Gas Generator is an advanced system designed to produce high-quality endogas for controlled atmosphere heat treatment processes such as carburising, carbonitriding, annealing, and hardening. It ensures precise carbon exchange and consistent metallurgical results.
Aichelin Unitherm combines proven global technology with precision engineering to deliver: Highly accurate atmosphere control, Excellent reproducibility of results, Energy-efficient operation, Robust and reliable system design and Seamless integration with heat treatment furnaces
Endogas plays a critical role in maintaining the correct carbon potential during heat treatment. Aichelin Unitherm Endo Gas Generator ensure a stable and controlled atmosphere, resulting in uniform case depth, hardness, and surface quality.
Aichelin Unitherm offers Endo Gas Generators in capacities ranging from 20 Nm³/h to 120 Nm³/h, enabling flexibility for different production scales and furnace requirements.
The integrated λ-probe continuously measures oxygen potential and provides real-time feedback in the form of an mV signal. This is converted into dew point values, allowing systems to maintain precise control of the endogas composition.
By combining precise control systems with optimized burner and compressor design, Aichelin Unitherm Endo Gas Generator minimizes energy consumption while maintaining high-quality endogas generation.
In automatic mode, the Aichelin Unitherm Endo Gas Generator produces only the required amount of endogas, significantly reducing unnecessary burn-off compared to manual systems.
Consultation & Inquiry

Request consultation on Auxiliary Equipments

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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