Powder coating problems

STT INCIDENT REASON HOW TO FIX
1

The paint is peeling

 – The oven temperature is too low

– Have not reached the freezing point of the paint

 

– Increase the temperature of the oven

– Increase drying time

2

The paint is clotted

– Stingray is not good

– Powder coating storage location is not satisfactory.

– Allow powder to spray in place

– Avoid direct contact with sunlight

3

Paint sand

– Paint infected with color

– Paint contaminated with insoluble substances

– Inspection and cleaning of spray equipment

– Check the surface treatment before painting

4

Paint the needle footprints

– Compressed air is contaminated with oil

– Infected with silicon

– Check the compressed air system

– Dry the product surface

5 Low gloss with high gloss paint

– Paint powder is infected

– Infected spray system

– Drying temperature is not enough

– Clean the spray equipment thoroughly before changing to another color

– Adjust the oven

6 The thickness of the film does not

– The spray gun position does not match

– Robot does not integrate with conveyor

– Check the spray gun

– Calibrate the robot suited to the conveyor belt

7

Paint orange

– The film thickness is not suitable

– Compressed air pressure is too large

– Other paint powders are not compatible

– Hole air from the metal base

– Adjust the film thickness as recommended by the manufacturer

– Reduced compressed air pressure from powder spray gun control. (Reduce the wind)

– Clean the spray equipment when changing the paint color.

8 Currently Faraday

– Poor landing.

– Large paint particles are too smooth

– Incorrect spray angle

– Injector is not suitable

– Ground check

– Check the powder

– Adjust the appropriate spray priming