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Hochschule für nachhaltige Entwicklung Eberswalde

FoMo / Formulation development for the forming and modification process of European woods

Gitarren- Zarge

This FoMo project deals with a plant for shaping and thermal modification of European woods for strongly curved components of stringed and plucked instruments. The aim of the project is to design a plant that can be used to shape and modify the curved sides of plucked instruments in a single process. The reason for the development is to prevent frequent fiber breakage and reverse deformation, which occur during subsequent plasticizing due to the embrittlement of the modified wood, and thus to prevent increased scrap during production. The thermal modification of the wood is to be carried out using microwave technology.
The research project was made possible by the
SubMat4Music network project.

In its subproject, the HNEE is developing the formulations for the forming and modification process of the European woods, taking into account the dependencies on the wood species, the musical instrument, and the desired sound and color values. Another development point is the elaboration of specifications for model laboratory processes in order to prepare the testing more effectively. HNEE is carrying out the pilot application, in which the different types of wood will be measured, and the results analyzed and evaluated.

  • more projects about thermowood you can find here.
  • more projects about musical instruments you can find here.

Research project partners


Pfahl Gerätebau GmbH

Subproject 1: Development of the microwave system, process control, prototype construction

Ingenieurbüro Dipl.-Ing. Reinhard Fischer

Subproject 2: Calculation and simulation, implementation of measurements


Reinhardt Best Acoustics GmbH

Subproject 3: Development of frame processing with focus on bonding, testing of sound behavior


Guitarras Raimundo S.A. Spain

Subproject 4: Development of the frame processing with focus on varnishing, testing of the sound behavior


TH Wildau

Subproject 5: Development of the continuous microwave-induced modification process chain, process parameters, pilot plant testing


Federal Ministry for Economic Affairs and Climate Action (BMWK) via Central Innovation Programme for SME (ZIM)

Funding code: 16KN072626

Project duration: 01.07.2020 - 31.12.2022, extended until 30.06.2023



Head of project

Prof. Dr.-Ing. Alexander Pfriem (

Contact persons

Lothar Clauder M.Sc. (

Tobias Bender M.Sc. (

Christoph Munk M.Sc. (