Powder Paint Fluid Bed Problems
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Systematically check electrical continuity from voltage source to electrode grid including cable resistors and fuses1.
Powder paint fluid bed problems. Four chamber fluid bed for powder painting. It is very difficult to achieve a thin coating consistently. To get the best results with powder paint the paint needs to be fluid meaning that. Rector we have customers that use both electrostatic spray and fluid bed coating methods and while each has advantages and disadvantages there seems to be far fewer technical problems with fluid bed coating.
Many people find that a single fluidized bed coating process is much easier to maintain than a bank of electrostatic spray guns. With a fluidizing bed powder that is too fine can cause irregular coverage. Check high voltage source is on. Fluidized bed powder coating is a process where a pre heated part is dipped into a tank of fluidized thermoplastic powder which is typically pvc or nylon.
I looked on line and found the quickest way is powder paint. I recently received a jig making kit as a present and i wanted to powder paint the freshly cast jigs. It s very difficult to get the part in and out of the fluidized bed coating tank quickly and still produce a consistent coating over the entire part. 1 high voltage source not providing enough kv at charging electrode or grid.
Air blowing large holes through powder surface. With electrostatic spray processes one needs to monitor kva humidity grounding issues powder delivery issues gun maintenance and replacement of wear parts. Powder level too low add powder until feed hopper is filled to proper level packed or moist powder manually loosen powder and fluidize with clean dry air check compressed air for oil water and room for high humidity obstructed membrane. 1 poor charging inadequate powder build or wrap on part.