1. A Study of the Connection Between Bending Stress and Belt Friction Using a Servomotor Controlled by a Computer
- Author
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Milena Kusnerova, Michal Repka, Marta Harnicarova, Jan Valicek, Roman Danel, and Zuzana Palkova
- Subjects
Engineering educational process ,friction ,bending coefficient ,belt ,Electrical engineering. Electronics. Nuclear engineering ,TK1-9971 - Abstract
The aim of the publication is to design an analytical relationship for determining the bending coefficient measurable by belt friction. Following the results of the presented measurements, the theoretical assumption is verified that in the material of the belt stress arises during the friction of the contact surfaces, due to external forces and bending of the belt. Selected experiments of drawing a polypropylene belt at a constant speed over an aluminium cylindrical surface are carried out using a servo drive on a measuring bench with computer-controlled instrumentation. The results of friction and bending coefficient measurements are interpreted in connection with the setting of various input parameters (especially friction surfaces and belt thicknesses), at a constant shaft speed. The newly identified dimensionless bending coefficient of belt friction is a material coefficient with a comparative information value concerning the flexibility of the belt, suitably supplementing the friction Euler-Eytelwein coefficient. The presented publication can be suitably applied especially to the engineering educational process.
- Published
- 2021
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