Belt drives — Grooved pulleys for joined classical V-belts — Groove sections AJ, BJ, CJ and DJ (effective system)
皮带传动.连接的经典V型皮带的槽轮.槽段AJ BJ CJ和DJ(有效系统)
Specifies the principal characteristics (groove angle, profile dimensions, effective diameter) and geometrical inspection of grooves; quality, surface finish and balancing of pulleys are dealt with in ISO 254.