Brush for electrical turning lathe, has brush main part distributed in copper and forms brush surface, and wire carrying unit is distributed in copper, where wire carrying unit carries line wire

摘要

The brush (1) has a brush main part (2) distributed in the copper and forms a brush surface (1a). A wire carrying unit (3) is distributed in copper, where the wire carrying unit carries a line wire (4). The line wire is made up of a stranded wire. The wire carrying unit has a structure made up of a powder mixture, which contains a copper powder of content. Another powder mixture is placed on the former powder mixture. The thickness (A) of the latter powder mixture is introduced in the direction in which the line wire is introduced.