Mewatec Mechanische Werkstatt & Technologie e.K.  deutsch | german
 
   
 
 




Hot gas fans made from fibre glass


 
We are in the process of developing prototypes of blades for hot gas fans in a fibre glass construction. This project has been promoted by the Federal Ministry for Economics and Technology within the framework of a program called “Central Innovation Programme for small and medium-sized companies” (ZIM)

The blades are made from fibre glass and a matrix of high temperature resin. What makes them so special is their design as a concave chambers construction. The blades are thus extremely light, yet solid at the same time. Prototypes of the blades have successfully passed tests on the hot gas test rig at MTU AeroEngines in Munich at  400 degrees Celsius over 120 minutes.

In cooperation with the German Institute for Composite
  Materials (IVW) of the University of Kaiserslautern, we have developed a processing method for this particular high-temperature resin.
Together with the IVW, we are developing a way that enables us to produce these blades cost-effectively in series. Our intention is to make blade families that cover various cross sections of flow (fan diameter). The blades are connected to the hub by a plate base which enables us to adjust or exchange them individually.
In the framework of another project, we are developing hollow sheet metal blades for similar purposes. From the outside, these sheet metal blades have the same design and connection to the hub. However, their heat resistance of up to around 600 degrees Celsius will be even higher.
   
Mewatec Mechanische
Werkstatt & Technologie e.K.


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