Tools – Wire stripper – Bench tools
Patent
1980-08-05
1982-10-05
Parker, Roscoe V.
Tools
Wire stripper
Bench tools
H02G 112
Patent
active
043523056
ABSTRACT:
Apparatus for stripping insulation off wire in a stator coil winding machine. A frame supports a blade assembly including circularly spaced blades that encircles moving wire in the machine. The blades are individually pivotally mounted so they can rock against the wire. The array of blades rotates about an axis coaxial with the wire and cuts insulation off the wire as it moves therethrough. The blades rock due to a thrust block that rotates in synchronism with the blades, and moves axially against the blades. A thrust block cam surface engages cam surfaces on the blades and thus pivots them against the wire. Depth of penetration of the blades is controlled very accurately by a cam follower engaging a cam surface on an adjustably positioned wheel. During stripping, the wire stops, and a pulley arrangement forms an open wire loop downstream of the blades by pulling wire transversely from the normal wire travel path. This pulls an equal length segment of wire through the rotating blades for removal of insulation. Preferably, the wire is tensioned upstream of the cutting blades during the cutting operation to decrease the tendency of the wire to move laterally as it is being stripped. After stripping, the stripped segment of wire moves into the winding machine and is severed near its center by a cutoff device.
REFERENCES:
patent: 2703026 (1955-03-01), Basile et al.
patent: 2880635 (1959-04-01), Harris
patent: 3505720 (1970-04-01), Heimbrock
patent: 3962780 (1976-06-01), Kindig
patent: 4117749 (1978-10-01), Economu
The Eraser Co., Inc. publication,--Pre-Stripper for "Uniform" Coil Leads--Model I-K-7.
General Electric Company
Krisher, Jr. Ralph E.
Parker Roscoe V.
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