Flat rubber belts were developed around the turn of the century primarily as replacements for leather belts. With the advent of V-belts, fewer machines were designed to use flat belts, and their ...

V-belts in classical and single-belt configurations are not optimum from the standpoint of load transfer. Reinforcing cords near the center of the belt sink radially inward under tension, thereby ...

Over-tensioning shortens not only the life of V-belts but also that of the sheaves, electric motor, and driven equipment bearings. In extreme cases, it can even bend or break a motor shaft.