Belt drives — Grooved pulleys for V-belts (system based on effective width) — Geometrical inspection of grooves

ISO 9980:2012 specifies the methods of checking the regularity of the grooves and pulleys for V-belts specified in the system based on effective width. The grooved pulleys can be designed for use with classical or narrow V-belts. The V-belts can be either single or joined units.