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Accessory Drive Belt Pulley Entry Friction Study and Belt Chirp Noise
Technical Paper
1999-01-1709
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Accessory belt “chirp” noise is a major quality issue in the automotive and truck industry. Chirp noise control is often achieved by very tight pulley alignment, a guideline being .33 degree maximum belt entry angle into each grooved pulley. Occasionally belts will chirp at pulleys where the system alignment is this good or better. This study offers an explanation for such occurrences.
This is a study to see if fundament groove side sticking theory correlates with the belt entry angle, and how the coefficient of friction relates to this entry angle. The study combines theory with lab data.
In summary, the study fundamentally links the coefficient of friction of the belt to the belt chirp noise phenomenon, and allows the projection of a belt's general tendency to chirp to be predicted by the measurement of belt coefficient of friction on a test stand.
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Authors
Topic
Citation
Meckstroth, R., Deneszczuk, W., and Skrobowski, J., "Accessory Drive Belt Pulley Entry Friction Study and Belt Chirp Noise," SAE Technical Paper 1999-01-1709, 1999, https://doi.org/10.4271/1999-01-1709.Also In
References
- Ahoor, Meckstroth R. J. “Belt Tracking Experiment” SAE Paper 901770
- Gross R. Meckstroth R. J. “V-ribbed beltRibbed Belt Backside Pulley Belt Mistracking” SAE Paper 980836
- Amijima Sadao Fujii Toru et al Study on the V-ribbed beltribbed Belt Bulletin of JSME 29 253 July 1986