DEVICE FOR GRINDING COMMUTATOR MOTOR BRUSHES

摘要

FIELD: electrical engineering; commutator motors and their servicing. SUBSTANCE: brush grinding device has case that mounts brush holders and commutator simulator made in the form of shaped surface with continuously varying radius from minimal permissible oversize commutator radius to rated value; device is provided with scale and is mounted for turning followed by its locking in position; brush holders or commutator simulator are mounted for reciprocation along their axes manually or automatically with motionless commutator simulator or brush holders. EFFECT: simplified design; enhanced number of brushes ground to commutators of different diameters. 1 cl, 1 dwg