Problem: Adhesion

Cause Remedies
Workpieces grounded insufficiently. Clean the hangers and hooks.
Powder resistance too low. Contact your powder manufacturer.
Poor grain size distribution. Contact your powder manufacturer.
Field strength too high. Change the current, and gun to object distance.
Powder is blown out of the corners and cavities by
too much air pressure.
 Reduce the Total air pressure.
Too little penetration in the corners and cavities caused
by too high current or using of the wrong nozzles.
 

Reduce the current and use more suitable nozzles.
See also Nozzles.

Poor pre-treatment. Contact the supplier.
Wrong oven settings
(too high, too low, curing time too long)
 Improve the oven settings.
Unsatisfactory powder quality. Contact the Powder supplier.
Change the powder. 
A too rapid stroke movement can break up
he powder cloud.
 The stroke speed should not exceed 0.6 m/s - values
between 0.2 - 0.4 m/s are recommended.
© 2024 by Gema Switzerland Gmbh - All rights reserved | General Conditions of Sales | Conditions of Purchase | Legal Notice | Privacy Policy