Full Sliding Adhesive-Like Contact of V-Belts

Author:

Gerbert Go¨ran1,Sorge Francesco2

Affiliation:

1. Machine and Vehicle Design, Chalmers University of Technology, 412 96 Go¨teborg, Sweden

2. Mechanics and Aeronautics, University of Palermo, 90128 Palermo, Italy

Abstract

Analysis of power transmission in a belt drive consisting of, e.g., two pulleys might be treated as a boundary value problem. Tight side tension FT, slack side tension FS and the wrap angle α are the three natural boundary conditions. In the literature, theories are developed where seating and unseating as well as the power transmitting part of the contact are considered. The solutions presented so far don’t fulfill the boundary conditions properly, since a certain tension ratio FT/FS is associated with a certain contact angle and not an a priori specified one. It appears that a new type of full sliding solution must be introduced to handle the boundary condition problem. During part of the contact there is almost no tension variation in spite of the full sliding conditions. The designation adhesive-like solution is here introduced for that part. Conditions and character of the adhesive-like solution are outlined in the paper.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Reference10 articles.

1. Euler, L. , 1762, “Remarques sur l’Effet du Frottement dans l’Equilibre,” Me´m. Acad. Sci., Berlin, pp. 256–278.

2. Grashof, F., 1883, Theoretische Maschinenlehre, Band 2, Leopold Voss, Hamburg.

3. Gerbert, G., 1972, “Force and Slip Behaviour in V-Belt Drives,” Mech. Eng. Series, No. 67, Acta Polytechnica Scandinavica, Helsinki.

4. Gerbert, G., 1999, “Traction Belt Mechanics,” Machine and Vehicle Design, Chalmers University of Technology, 412 96 Go¨teborg, Sweden.

5. Sorge, F. , 1996, “A Qualitative-Quantitative Approach to V-Belt Mechanics,” ASME J. Mech. Des., 118, pp. 15–21.

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