Coating issues - International Powder Systems Version 12 old

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Troubleshooting

Cause

Measure

Particle size distribution too fine

Consult with powder suppliers

Moisture in the powder due to improper
storage

Powder must stored dry at processing temperature

Sintering at the baffle plate and the
nozzle due to excessive conveying air pressure
Damage to nozzles by too high an air pressure of the feed air

Reduce conveying air

 

Check for wear on the injector - collecting nozzle

Poor fluidization in the powder tank
due to moist compressed air or blocked
fluid plate, fluid tubes

Check compressed air for contamination, replace fluid plate or fluid pipes

Carlisle
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