Brushes are ugolnografitny

Brushes graphite is an external element of the sliding contact of electrical machines.
Brushes graphite make of mix of soot, graphite and binding substances. Technological process comes to an end with roasting operation. Graphite brushes consist mainly of graphite and binding materials. Electro - graphite brushes differ from previous in what is thermally processed in special furnaces at a temperature about 1500 Pages. On brush hardness graphite are divided into soft, average and firm brushes. Threw brushes - graphite as shows the name, consist of metal powders (copper, tin, etc. ), graphite and binding. Recently the way of receiving electrographite brushes is developed by method of hot pressing which it is used at our enterprise