FIELD: electrical engineering; peculiarities in producing worm on motor shafts.
SUBSTANCE: novelty is that armature shaft worm whose outer diameter is greater than that of shaft is produced by plastic working of armature shaft by end of armature assembling from its separate parts.
EFFECT: reduced armature mass and size due to enhanced loading capacity of worm and use of small-diameter shaft.
7 cl, 2 dwg
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