Apparatus and method for smoothing and densifying a coating on a

Electric heating – Metal heating – By arc

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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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