Electric heating – Metal heating – Cutting or disintegrating
Patent
1983-09-22
1986-08-26
Albritton, Clarence L.
Electric heating
Metal heating
Cutting or disintegrating
20412925, 2041295, 219 69G, 219 69S, 219 69V, B23H 726, B23H 714
Patent
active
046084762
ABSTRACT:
In a generic-electrode NC-EDM process, the electrode tool oriented in the direction of a z-axis is translationally retracted, from a position of a defective gap condition on a prescribed two-dimensional feed path in an x-y plane, by a prescribed distance in a prescribed direction which is transverse generally to all of the x-y, y-z and z-x planes so that the electrode end portion with a generic form is removed from the machined surfaces adjacent the machining gap of the defective condition. This retraction displacement may be performed under numerical control by displacing the electrode tool translationally by a first predetermined distance in an x-y plane and orthogonally to a portion of the feed path which is immediately prior to that position and simultaneously retracting the electrode axially in the direction of the z-axis by a second predetermined distance.
REFERENCES:
patent: 3581045 (1971-05-01), Panschow et al.
patent: 4135070 (1979-01-01), Pfau et al.
patent: 4310742 (1982-01-01), Pfau
patent: 4365133 (1982-12-01), Inoue
patent: 4366360 (1982-12-01), Inoue
Albritton Clarence L.
Dubno Herbert
Evans Geoffrey S.
Japax Incorporated
Ross Karl F.
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