Electric heating – Metal heating – By arc
Patent
1981-08-14
1983-03-22
Albritton, C. L.
Electric heating
Metal heating
By arc
219121LJ, 219121LS, 219121LX, 219121LZ, B23K 2700
Patent
active
043777368
ABSTRACT:
The relative position of a plurality of holes through a surface of a member, the holes having been generated by high energy means, such as a laser, which vaporizes material of the member to produce a light flash, is inspected and controlled as the holes are being generated using a light sensing means which is responsive to the light flash and which observes the relative positions of the holes being produced. The light sensing means signals a hole pattern comparison means which compares the actual hole pattern with a preselected hole pattern. Adjustment can then be made to reposition the high energy beam if required to correct undesirable error in the actual hole pattern during generation of the holes.
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Adair John E.
Daunt John E.
Tipton John P.
Albritton C. L.
General Electric Company
Lawrence Derek P.
Sachs Lee H.
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