Electric heating – Metal heating – Cutting or disintegrating
Patent
1984-07-16
1986-01-21
Albritton, C. L.
Electric heating
Metal heating
Cutting or disintegrating
74 18, 204206, 277 30, 285 24, 285 27, B23H 100, B23H 710, B23H 726, F16J 1556
Patent
active
045659150
ABSTRACT:
A travelling wire EDM apparatus having a pair of support and guide arms for an electrode wire effecting a cut on an electrode workpiece mounted in a tank filled with machining liquid fluid and capable of being displaced along two directions, relative to the support and guide arms, by a cross-slide table. At least the lower arm passes through an opening in one of the walls of the tank, such wall being formed by two parallel panels, a plate being slidably mounted between the two panels and having a tubular member through which the arm is disposed. Flexible joints are mounted between the plate and the two panels and at least one annular seal provides a sliding leakproof connection between the interior of the tubular member and the arm. The sealing structure of the invention permits to pass an electrode wire guide and support arm through the wall of the machining fluid tank without the use of boots and it allows a wide amplitude of relative displacement between the electrode wire support and guide arms and the workpiece mounted in the machining fluid tank.
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patent: 4460816 (1984-07-01), Bonga
patent: 4485288 (1984-11-01), Schneider
Albritton C. L.
Charmilles Technologies S.A.
Evans Geoffrey S.
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