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continuous system-rotary hearth furnace

Rotary hearth furnaces

Aichelin rotary hearth furnaces are specially designed for multi-variety batch production, enabling stable process cycles.

Product details

  • Model specificationsRDE/G/E (s) 130–450 cm hearth diameter
  • Operating temperature820–950 °C (depending on the process)
  • Atmosphere Endothermic gas or nitrogen/methanol with additional gas
  • Process control systemAutomatic control and recording of the heat treatment process
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rotary hearth furnace
Uniform temperature distribution with flexible process control

Rotary hearth furnaces from Aichelin operate with a rotating hearth plate on which the components are positioned during the heat treatment process. This design ensures uniform temperature distribution throughout the entire process. The flexible rotary hearth furnace delivers precise heat treatment results, especially in combination with a quenching press.

Additional technical features

  • Furnace hearth in single- or multi-level design

  • Robust slot door in multi-level design

  • Hearth drive with continuously adjustable speed (forward and reverse)

  • Hearth movement step-by-step or indexing mode

  • Manual, semi-automatic, or fully automatic loading

  • Easy to service

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ahsb-rotary hearth furnace-layout
Technical data
Standard sizes of the rotary hearth furnace

The following table shows the available type sizes of the Aichelin rotary hearth furnace, where G stands for gas heating, E for electric heating, and (s) for operation under protective atmosphere.

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Our Service & Support
Reliable service throughout your entire system lifecycle

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

Questions & Answers
FAQ – Aichelin Rotary Hearth Furnace systems
The Aichelin rotary hearth furnace is an industrial heat treatment system for carburizing, carbonitriding, quenching and tempering, and annealing – with a rotating hearth for uniform heating and flexible process control. The flexible rotary hearth furnace delivers precise heat treatment results, especially in combination with a quenching press.
The Aichelin rotary hearth furnace offers high temperature uniformity, reproducible quality, cost-efficient operation, ease of operation, and a modular design.
Aichelin rotary hearth furnaces are used for batch loading of components, particularly in the automotive industry. Typical applications include transmission components, clutch components, shaft components, tools, as well as press hardening applications.
Aichelin rotary hearth furnace systems use gas or electric heating systems. The atmosphere process is precisely adapted to the process using endogas or nitrogen/methanol with additional gases. All protective atmosphere systems are equipped with a nitrogen safety system.
Automation ranges from manual operation to fully automated system control, including loading and unloading, quenching press, washing machine, and tempering furnace.
Aichelin rotary hearth furnaces are characterized by high reproducibility of components, consistent quality, ease of maintenance, high energy efficiency, and cost-effective operation – designed for continuous industrial use.
Aichelin rotary hearth furnace systems are available in various configurations. The range extends from the smallest model RDE / G (s) 130 with a hearth diameter of 130 cm to the largest system RDE / G (s) 450 with a hearth diameter of 450 cm. Custom sizes are available on request.
Aichelin rotary hearth furnace systems in combination with quenching presses communicate either via the control system of the rotary hearth furnace or via the control system of the quenching press.
With our extensive experience in heat treatment, we ensure optimal coordination and communication between our customers and press manufacturers.
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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