Apparatus for in situ chamfering motor commutator segments

Details Apparatus for in situ chamfering motor commutator segments Apparatus for in situ chamfering motor commutator segments

1986-03-01

1987-05-26

Briggs, William R.

Gear cutting, milling, or planing

Planing

Of commutator

409304, B23D 302

Patent

active

046681396

ABSTRACT:
An apparatus for the in situ chamfering of DC motor commutator segments 1 separated by insulating spacers 2 is directly mountable on the motor yoke 62, and includes a frame 32 mounting a reversible drive motor 30 and slidably carrying a reciprocating work table 42. A cutter head 44 mounting a chamfering bit 45 is rotatably mounted to the work table by a pin 43 and is swung out of engagement with the commutator segment assembly 11 during each return pass of the work table, during which time the motor rotor is advanced one pitch by a worm driven roller 53.

REFERENCES:
patent: 2263870 (1941-11-01), Currie
patent: 2303106 (1942-11-01), Baurhenn
patent: 2409158 (1946-10-01), Simpson, Jr. et al.

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