The piezo-shaker systems are designed for handy use in non destructive testing and vibration analysis. They are tested to function beyond 50kHz (100kHz). The modules can be calibrated for predetermined excitation forces. Vacuum cups are available for quick and easy fixing on the object.
The small portable piezo shaker permits local excitation of defects such as cracks, de-laminations and dis-bonds. Vibrating in their local mode shapes, the system visualizes defects during a frequency sweep within seconds. The excitation frequencies (sweeps) are software or manual controlled. For mobile applications portable rack systems include power amplifier, function generation and vacuum pumps for easy piezo mounting with vacuum cups are available.
The image on the upper right shows a Piezoshaker with vacuum cup being used to detect defects. The images left show two prepared dis-bonds within a carbon fibre composite structure.
Piezoshaker
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Copyright by isi-sys GmbH, T:++49 (0) 561-739798-0, info@isi-sys.com, last update on 11. oct 2011
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