Apparatus for scavenging the erosion zone of spark-erosive cutti

Details Apparatus for scavenging the erosion zone of spark-erosive cutti Apparatus for scavenging the erosion zone of spark-erosive cutti

1985-05-14

1987-01-06

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

204206, 219 69D, B23H 710

Patent

active

046348255

ABSTRACT:
A scavenging chamber surrounds the electrode and is brought up to the erosion zone in the workpiece. A slide ring is fixed to the casing of the scavenging chamber and seals the latter with respect to the workpiece surface. The scavenging chamber is provided with a structure for adapting at least the casing portion carrying the slide ring to the slide ring orientation defined by the workpiece surface. Preferably the scavenging chamber is provided with controllable elements for defining the shape of the scavenging chamber casing, which elements can be in particular constructed as flexible annular diaphragms.

REFERENCES:
patent: 3928163 (1975-12-01), Ullmann et al.
patent: 4205212 (1980-05-01), Ullmann et al.
patent: 4263493 (1981-04-01), Kilcher
patent: 4495393 (1985-01-01), Janicke
patent: 4507532 (1985-03-01), Inoue
patent: 4527035 (1985-07-01), Majestic
patent: 4539459 (1985-09-01), Yamagata
patent: 4549371 (1985-10-01), Hakoda
patent: 4564431 (1986-01-01), Miyano
patent: 4575603 (1986-03-01), Inoue et al.

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