Method for spraying a coating on a disk

Details Method for spraying a coating on a disk Method for spraying a coating on a disk

1990-12-03

1992-01-07

Lawrence, Evan

Coating processes

Roller applicator utilized

427 34, 427425, 427427, B05D 110

Patent

active

050790439

ABSTRACT:
In a method to spray a coating of uniform thickness onto a spinning disk, a point is located spacially on the spinning disk at a distance from the center equal to about half of a spray stripe width plus half of the disk radius. The spray stream is moved in a ring-shaped pattern centered at the point and having a perimeter defined at the stripe mid-line. The perimeter diameter is equal to the disk radius. The spray stream is moved around the pattern with successive speeds, namely a base speed for a semicircular outer zone at the periphery of the disk and a smaller inner zone at the center, and lesser speeds for intermediate zones. For a concentrically contoured disk, between the above cycles the spray stream is affixed perpendicularly to a slanted surface of the spinning disk for a time period sufficient to compensate for a thickness deficiency.

REFERENCES:
patent: 4457259 (1984-07-01), Samuels
patent: 4551355 (1985-11-01), Ericson et al.
patent: 4806455 (1989-02-01), LaBianca

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