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VHM Hephaistos Microwave Heating and Drying Chamber

The newly developed VHM HEPHAISTOS Heating and Drying Oven is an internationally patented system and characterized by a high field homogeneity. For the first time, the advantages of microwave technology have been developed successfully to an industrially mature high technology. The high field homogeneity allows for the manufacture of high-quality CFC aircraft structures, for instance.

  • Heating
  • Drying
  • Hardening
  • The innovative WEBSeason® user interface allows you to program, control and monitor your tests at any time and anywhere – even from your tablet or smartphone


Microwave system

The “VHM Hephaistos” microwave system from Vötsch is an internationally patented system. Fast and energy-efficient production processes are possible by using microwaves. The system is characterized by the hexagonal geometry with a very high field homogeneity. One of the main areas of application is the thermal shaping of fiber composite materials (CFKs) for the aerospace and automotive industries.

Reduced production costs

The system guarantees reduced production costs as a result of shorter heating, processing and cooling times required to harden CFK components. The microwave produces energy input into the component to be heated while the oven itself remains cold. In comparison to the process in autoclaves, the processing times are reduced by up to 50 %. Energy consumption is reduced by up to 70 %.




  • Possibility to use of metal parts, such as conventional metal tools and feed systems, in the microwave field
  • High degree of product quality thanks to the maximum homogeneity of the microwave fields: Hexagonal chamber structure. By using microwave absorbing tool materials, additional positive effects can be achieved.
  • Sizes from laboratory scale to large systems, e.g., as are required in the aerospace industry, can be achieved
  • The modular design allows a flexible adjustment to your product
  • Precise heating of the products
  • Hybrid heat transfer possible


Microwave VHM Hephaistos Brochure


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