Structural analysis

Pollrich DLK is using conventional strength calculation methods as well as numerical structural analysis by FEM (Finite-Elements-Method) for the verification of the strength of the fan.

Besides the strength analysis of single components there are also complete systems being examined, which means that the interaction of different sub-assemblies will be evaluated. Within the scope of the structural analyses, joints between components, e.g. welding seams, bolted or rivet connection, are being examined concerning their strength resistance. In this regard, the determination of strengths and stresses due to thermal and mechanical loads are particular essential. Additionally, the vibration behaviour is being analysed in order to ensure an operation of the fan with a minimum vibration level.

The parameters strength and efficiencies are optimised with the help of the structural analysis during the development of new products as well as for the further development of the existing portfolio. Also the use of new materials is evaluated.

FEM-Analysis: comparison of stress values on a logarithmic curved blade

Stress analysis by FEM


Manufacturer of heavy industrial fans with production and headquarters in Germany. Individual and tailor-made exhaust air solutions for industry.

The extensive know-how of the traditional company DLK Ventilatoren guarantees continuous innovation.


DLK Ventilatoren GmbH
Ziegeleistraße 18
74214 Schöntal-Berlichingen
Phone: +49 7943 9102 0
Fax: +49 7943 9102 10

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