Method and apparatus for purging the eroding zone during electro

Details Method and apparatus for purging the eroding zone during electro Method and apparatus for purging the eroding zone during electro

1987-12-17

1989-04-18

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

20412925, 2041295, 204224M, 219 6914, B23H 732

Patent

active

048229709

ABSTRACT:
Method and apparatus for purging the eroding zone during electroerosive countersinking, in which one or more short-stroke second raising lowering movements of a tool electrode relative to a workpiece are performed in the dielectric between two first long stroke raising/lowering movements and the frequency and/or height of stroke of the raising/lowering movements is automatically adapted to the conditions in the working gap.

REFERENCES:
patent: 3213257 (1965-10-01), Ferguson
patent: 3370147 (1968-02-01), Matulaitis
patent: 3777104 (1973-12-01), Bell, Jr.
patent: 3909577 (1975-09-01), Houman
patent: 3975607 (1976-08-01), Ullmann et al.
patent: 4367400 (1983-01-01), Otto et al.
patent: 4700039 (1987-10-01), Konne et al.

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