NDLI: Vibration Monitoring for Local Fault Detection in Synchronous Belts

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Basso, Roberto Fanti, Giulio
Copyright Year	2008
Abstract	The possibility of diagnosing the presence of a fault in a synchronous belt transmission during its work, without dismantling it, by monitoring the vibrations of the pulley support, was investigated in this work. After a few simulations with a multi-body numerical model, several experimental tests were carried out in an apparatus made up of a test bench, motion sensors, a system of signal acquisition and software for data processing. The behavior of mechanical transmissions with healthy and faulty synchronous belts was compared. The damage was simulated by removing a tooth from the belt. The results show that a localized defect on a synchronous belt modifies the frequency spectrum of the motion signals measured on the pulley support. From the experimental tests performed, the following results were obtained: the direction of vibrations measured on the pulley support must be chosen so as to be parallel to the direction of the taut side of the belt; the presence of a defect can be seen in the frequency spectrum by the change in the amplitude of the peaks at the first harmonics of the run frequency; the best condition to highlight the different behaviour in the power spectra occurs when the transmission is under load.
Sponsorship	International
Starting Page	577
Ending Page	583
Page Count	7
File Format	PDF
ISBN	9780791848364
DOI	10.1115/ESDA2008-59197
e-ISBN	0791838277
Volume Number	Volume 2: Automotive Systems; Bioengineering and Biomedical Technology; Computational Mechanics; Controls; Dynamical Systems
Conference Proceedings	ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis
Language	English
Publisher Date	2008-07-07
Publisher Place	Haifa, Israel
Access Restriction	Subscribed
Subject Keyword	Flaw detection Vibration Pulleys Computer simulation Computer software Mechanical drives Stress Timing belts Simulation Spectra (spectroscopy) Belts Signals Engineering simulation Sensors Damage
Content Type	Text
Resource Type	Article

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