Abstract
The article is devoted to new developments in the field of brush production of electric machines. A number of different types of brushes, depending on their design and purpose, are given. Each type of brush has its own range of parameters such as density, resistivity, surface hardness, mechanical strength and contact friction during brush operation. New technologies and a way of manufacturing of multi-brush blanks in the form of blocks are described, and also new designs of molds for production of these products are presented. New developments have allowed to increase the density of compacts and, as a result, to increase the mechanical and physical properties of finished brushes
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