Accurate production of relieved shapes by electrical erosion

Details Accurate production of relieved shapes by electrical erosion Accurate production of relieved shapes by electrical erosion

1979-01-22

1981-02-10

Albritton, C. L.

Electric heating

Metal heating

Cutting or disintegrating

2041295, 219 69G, B23P 114

Patent

active

042503710

ABSTRACT:
A method and apparatus for accurately producing relieved cutting tools and other relieved shapes by electrical erosion, whereby the workpiece is maintained in a horizontal position and a wire electrode is tilted at the desired relief angle from vertical after which they are moved relative to each other in a manner such that the spacing between them in a horizontal plane is compensated for the elliptical cross-section of the working gap in the horizontal plane.

REFERENCES:
patent: 3731045 (1973-05-01), Ullmann et al.
patent: 3849624 (1974-11-01), Dulebohn et al.
patent: 3943322 (1976-03-01), Lehmann et al.
patent: 3946189 (1976-03-01), Polmella et al.
patent: 4081652 (1978-03-01), Janicke et al.

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