Electric heating – Metal heating – By arc
Patent
1993-02-26
1996-01-16
Evans, Geoffrey S.
Electric heating
Metal heating
By arc
21912166, 2191218, B23K 2608
Patent
active
054849802
ABSTRACT:
An apparatus for smoothing and densifying or increasing the density of a coating on a workpiece includes a laser for generating a laser beam and a cylindrical lens for focusing the laser beam into a line of light on the coating surface. A manipulator is provided for moving one of the workpiece or the laser and the light line generated thereby relative to one another to cause the light line to scan across the coating to remove any rough portions and provide a smoother surface with a higher density depending upon the nature of the coating material. In one embodiment of the present invention, a mechanism is provided to oscillate the laser light line to homogenize adverse effects caused by any hot spots along the line.
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Pratt Vanon D.
Scheidt Wilbur D.
Whitney Eric J.
Evans Geoffrey S.
General Electric Company
Hess Andrew C.
Narciso David L.
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