Electric heating – Metal heating – Cutting or disintegrating
Patent
1982-06-28
1984-07-31
Paschall, M. H.
Electric heating
Metal heating
Cutting or disintegrating
219 69R, 219 69M, 269303, 269 37, B23P 108
Patent
active
044632410
ABSTRACT:
Disclosed is an improved fixture assembly for use on an electrode wire EDM apparatus which is adapted to cut a conductive workpiece. Referring to FIG. 2, the improved fixture which can secure a plurality of workpieces 52 comprises master bar 40, which is secured to work supports 30 transversely therebetween, base plate 42 which is removably attached to the master bar at a predetermined location thereof and which has a plurality of equally-spaced support locations upon which each said workpiece rests, locator plate 44 which is removably attached to the base plate at a predetermined location thereof and which has a plurality of equally-spaced recesses of predetermined shape along an edge thereof for a side of each workpiece to be held thereagainst, and a plurality of pre-configured clamps 48 removably attached to the upper side of said locator plate which are tightenable to exert force against the top surface of each workpiece for securing the workpiece in a precise location for cutting. The edgewise profiles of all components of said fixture are adapted so that each workpiece is secured and all components are non-interfering with the predetermined cutting path. The preferred workpieces comprise polycrystalline abrasive compacts typified by polycrystalline diamond compacts preferably supported on a metal support.
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General Electric Company
Little Douglas B.
Paschall M. H.
Schroeder Robert R.
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