Method of manufacturing armature of motor using hoop member

Details Method of manufacturing armature of motor using hoop member Method of manufacturing armature of motor using hoop member

1997-11-05

2000-12-26

Young, Lee

Metal working

Method of mechanical manufacture

Electrical device making

29596, 29605, 29606, 29607, 310264, 310259, 310218, 310216, H02K 1502, H02K 112

Patent

active

061639524

ABSTRACT:
A motor armature having a simplified assembly comprises an inner cylinder and an outer cylinder arranged coaxially, and a plurality of pole pieces provided radially at equal intervals between the inner and outer cylinders. The inner cylinder is formed into a cylindrical shape by curling up in the longitudinal direction a first hoop member (band steel) formed of a magnetic material and having a predetermined thickness and length. The outer cylinder is formed of a second hoop member similar to the first hoop member. The pole pieces each comprise a wire piece cut from a wire formed of a magnetic material and having a coil would thereon. One end of each pole piece is welded to one of the hoop members and the other end of the pole pieces is welded to the other hoop member.

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