Coil inserting tooling blades

Details Coil inserting tooling blades Coil inserting tooling blades

1994-06-17

1996-07-23

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29734, 29736, H02K 1506

Patent

active

055377300

ABSTRACT:
Improvements in coil placing tooling of the type employed to insert prewound coils in the slots of dynamoelectric machine stator cores. Certain ones of the blades comprise an elongated blade of generally uniform cross-sectional configuration which includes a convex portion having a series of: generally parallel grooves cut therein to define intervening coil contacting lands. As compared to conventional "smooth" blades, these blades have only a portion of the area of contact with the coils and, therefor, only a fraction of the frictional resistance to coil insertion.

REFERENCES:
patent: 4067106 (1978-01-01), Brown et al.
patent: 5357670 (1994-10-01), Taji et al.

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