| 摘要 |
PROBLEM TO BE SOLVED: To provide a multicolor powder coating apparatus which can surely form a uniform coating film while maintaining a reduction in workload. SOLUTION: The multicolor powder coating apparatus has an electrostatic gun 3 composed of the following: a gun body 1 which includes pipelines 4, 5, and 6 tied up in a bundle and extending from tanks 7, 8, and 9 of three-primary-color powder coating materials, respectively; and a chamber 2 which is connected to the gun body 1 and has an opening 2a in the extension direction of each of the pipelines 4, 5, and 6. According to the measured values by flowmeters 10, 11, and 12 arranged in the pipelines 4, 5, and 6, respectively, the pressure transfer quantities from ports 13a, 13b, and 13c of an air compressor 13 are adjusted, thus enabling the adjustment of flow rate of a coating powder in each of the pipelines 4, 5, and 6. COPYRIGHT: (C)2005,JPO&NCIPI
|
