Activities of the CARBONE LORRAINE Group.
Preparation of semi-products for Electrical Application activities, machining and finishing of brushes, definition and function of brush holders.

Deformation of commutators and out-of-round slip rings, taper, damage to tracks and axial deformation. Surface condition of commutators and slip ring holders, roughness, quality of gaps between segments and spirals, vibrations in motors and brushes, and their consequences.
Magnitude of the pressure exerted by brush holders.

Patina formation process, voltage drop and friction, current distribution.

Commutation, black band curves, classification of grades for commutation aspects, effects of the peripheral speed, allowable load per brush, overlap ratio, ring materials, grades of brushes used, etc.
Diagnostics
Assembly and morphology of brushes, wear detection and alarm unit.
Precautions to be taken when cleaning and burnishing commutators, elements and events that could destroy patina.

by case studies brought in by trainees, or through a slide show illustrating the appearance of some brushes placed under conditions that the trainees must discover by themselves, applying principles learned during the theoretical part.

Course with accommodation, lunch together at lunch time

1,100 Euro ex VAT, plus 19.6% VAT (teaching cost and lunch at lunchtime).
Accommodation and travel to the CARBONE LORRAINE plant to be paid by each trainee.

Two days (14 hours).

Two months in advance, with Marie-Jeanne DAMBRINE- SPARE PARTS INDUSTRY, by mail, phone or fax.

6 sessions per year