This automatic line customer doing the business for the electric control box.
Firstly, they have the spray type chemical liqiud pre treatment, so before they do the powder coating, they will do the pre treatment process. Degreasing-- water rinsing--phosphating--water rinsing --water rinsing. In this way, they can remove the oil off the surface of the work piece, and can help the powder coating have better performance.
Secondly, after finish the pre treatment process, the work piece will go into the pre heating oven first. Dry off the water on the work piece, meanwhile, can increase the temperature on the work piece, so the powder can keep well on the surface. The pre heating oven temperature not 230 Celsius, just about 120 Celsius is enough.
Thirdly, is the autoamtic fast coloe change cyclone powder coating booth. There are 2 receiprocators to help you do the powder coating work automatically, and still need 1 or 2 persons to do the make up work after the autoamtic powder coating. To invoid some dead corners which can not spray by the reciprocators. Also the powder coating booth this customer ordered is the PP material, which can change the color very fast, as PP material is much easier to clean than the stainless steel material. The cyclone system will help you to recycle 99% of the powder. This will guarantee the powder coating booth is always clean.
Fourthly, is the automatic powder curing oven, the bridge type powder curing oven have the temperature for max of 230 Celsius~250 Celsius. You can adjust the temperature just according the work piece. And the heat up time for the powder curing oven is about 30min from the room temperature (15 Celsius) to 230 Celsius. The curing time usually about 30min, and you can adjust the speed of the line, when speed is slower, then you will have more curing time.
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