| 摘要 |
PROBLEM TO BE SOLVED: To control drips of electrodeposition paint by preheating a workpiece in an existing hot-air circulating oven as well as reduce an installation space and installation cost. SOLUTION: This method comprises introducing a carburetor 1 from a slot 7 of the hot-air circulating oven, in which a high temperature region 2 is provided at a predetermined higher position than a cold temperature region in the vicinity of the slot 7 for introducing the carburetor 1 in the oven, stopping the carburetor 1 at a predetermined position during a predetermined time, on the way of raising the carburetor 1 to the position of the high temperature region from the cold temperature region, and preheating it, in the step of charging and baking the carburetor 1 in the hot-air circulating oven, after immersing it in an electrodeposition paint and washing with water.
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