Vibrational analysis of power tools using a novel three-dimensional scanning vibrometer

Karl Bendel; Martin Fischer; Matthias Schuessler

doi:10.1117/12.579525

22 June 2004 Vibrational analysis of power tools using a novel three-dimensional scanning vibrometer

Karl Bendel, Martin Fischer, Matthias Schuessler

Proceedings Volume 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2004) https://doi.org/10.1117/12.579525
Event: Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2004, Ancona, Italy

Abstract

Scanning Laser Doppler Vibrometers (SLDV) are widely used in product development. Power tools as for example percussion drilling machines are known to be noisy and vibrating. It is state of the art to reduce the noise and vibration by finding the sources therefrom with LDV. Although these data give important information about the vibrational behavior, for a deeper understanding three dimensional vibration data is required. Therefore, for the first time measurements on power tools have been performed using a novel 3D SLDV, which simultaneously measures three components of the vibration vectors using three vibrometers. Power tools are observed under operating conditions close to reality, operated by a human. As the device under test performs movements in all directions, the three laser beams do not perfectly intersect. It is shown, that the introduced error can be neglected for low frequencies. Results are presented for a percussion drilling machine and a random orbit sander.

Citation Download Citation

Karl Bendel, Martin Fischer, and Matthias Schuessler "Vibrational analysis of power tools using a novel three-dimensional scanning vibrometer", Proc. SPIE 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 June 2004); https://doi.org/10.1117/12.579525

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