Method and apparatus for purging the eroding zone during electroerosive countersinking
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United States of America Patent
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Apr 18, 1989
Grant Date -
N/A
app pub date -
Dec 17, 1987
filing date -
Dec 22, 1986
priority date (Note) -
Expired
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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.
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