Apparatus for soldering the coil of an electric machine to its c

Metal fusion bonding – Including means to apply flux or filler to work or applicator – By partial or total immersion of work or applicator into liquid

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228 39, B23K 3706

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active

043312799

ABSTRACT:
Apparatus for soldering the wires of the coil on the armature of an electric machine to the commutator thereof. The apparatus has a device for clamping, shifting and fixing the armature, a monophase magnet-hydrodynamic pump with a charger and a pan with molten solder. The magnetic core of the pump has the shape of a hollow cylinder and is externally chamfered at its upper end. The armature to be soldered is disposed vertically with the lower portion of its commutator telescoped within the upper end of the core. Around the core within the pan there is an annular charger disposed coaxially of the core, the charger having its lower end above the bottom of the pan and its upper end on the level of the upper chamfered end of the core so as to form between the upper end of the charger and the upper chamfered end of the core an annular frusto-conical channel with a discharge end directed toward the upper portion of the commutator and the parts of the wires adjacent thereto to solder the wires to the commutator.

REFERENCES:
patent: 3713876 (1973-01-01), Lavric
patent: 3797724 (1974-03-01), Flury et al.
patent: 4106066 (1978-07-01), Corsaro et al.

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