Electric heating – Metal heating – Cutting or disintegrating
Patent
1987-11-16
1989-03-21
Pellinen, A. D.
Electric heating
Metal heating
Cutting or disintegrating
204206, 219 69D, B23H 710, B23H 736
Patent
active
048145742
ABSTRACT:
The device has a case (1) which has a wire guide (2) and a chamber (4) filled with machining liquid which is brought there under pressure by a pipe (7). A nozzle (5) in the shape of a truncated cone fits in the case and closes the chamber (4) in its normal working position by supporting its periphery on the flange (6) provided around the case (1), under the action of the pressure exerted by the dielectric liquid and if necessary by a return spring (8). The thrust exerted on the nozzle by an obstacle (10) during a lateral collision tilts the nozzle without damaging it and it causes at L an escape of liquid which causes the pressure to drop in the chamber (4). A transducer (13) signals the drop in pressure following the collision to the operator and/or to a control system of the erosion machine.
REFERENCES:
patent: 4481095 (1984-11-01), Inoue
patent: 4495393 (1985-01-01), Janicke
patent: 4628172 (1986-12-01), Inoue
patent: 4634825 (1987-01-01), Budin et al.
patent: 4704511 (1987-11-01), Miyano
patent: 4709131 (1987-11-01), Del Bello et al.
patent: 4739144 (1988-04-01), Shibata et al.
Babel Bernard
Gambin Remi
Josserand Joseph
Charmilles Technologies S.A.
Evans Geoffrey S.
Pellinen A. D.
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