FIELD: mechanical and, primarily, electromechanical engineering; DC machines. SUBSTANCE: as distinct from known process, annular groove and radial slots are made simultaneously by means of wedge- section knives having stepped ledges on side edges following shape of annular groove so as to remove flash from the latter and to eliminate short-circuit between current-carrying segments. EFFECT: improved mechanical strength of commutator. 3 dwg
| Title | Year | Author | Number |
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