| 摘要 |
PURPOSE:To secure a good paint penetrating property to a region having a narrow complicated shape, by controlling the flow amount of air corresponding to the dimension and shape of a coating region and performing automatic coating while changing a circular coating pattern. CONSTITUTION:The air spray coating gun 2 attached to the arm part 1 of a coating robot is moved along the peripheral part of the door of a car to continuously perform automatic coating. The flow amount of air flowing through a pattern regulating air passage 7 is properly controlled corresponding to the dimension and shape of the coating region of a body 4 through a flow amount control valve 8. By this method, automatic coating can be performed while the size of the circular coating pattern of the coating gun 2 is appropriately changed corresponding to the dimension and shape of a curner part 4a or a channel part along with the operation of the coating robot. Therefore, coating can be applied well in the same gun position without altering the angle of the gun 2.
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