Why Powder Coating?
Advantages - physical and chemical properties.
Economic Advantages of Powder
Materials, operating and environmental advantages.
Powder Coating Materials
Hanger Design for Powder
Custom and stock designs, design considerations.
Five-year production plan, establishing a hang pattern,
future production considerations, theoretical conveyor
line speed, batch or conveyorised systems.
Process Definition and Specification
Selecting the right powder, writing a process specification.
Surface Preparation Chemistries
Soils, substrates, cleaning, rinsing, iron and zinc
phosphating, chromate and non-chromate coatings, sealer
Surface Preparation Methods
Spray wand treatment systems, immersion pretreatment
systems, recirculating spray washers, determining the
number of stages for a process, waste treatment, monitoring
and control of pretreatment systems.
Dry-off Methods and Equipment
Blow-off methods, dry-off ovens, part cool-down.
Powder Application Methods
Process description, delivery and application equipment,
gun movers and positioning devoices, alternate application
methods, equipment safety.
Powder Booth and Recovery
Process description, powder booth airflow, booth enclosure
design, powder recovery, powder recycling, styles of
powder booths, colour change considerations, colour
change procedures, contamination issues, process control
in powder coating systems, powder booth and recovery
Powder Curing and Ovens
Types of cure ovens, convection ovens, direct and indirect
fired ovens, infrared ovens, dual-type ovens, induction
ovens, combination dry-off and cure ovens, and oven
Part Conveyance Methods and
Methods and applications of part conveyance.
Compressed Air Systems &
Terms and definitions, compressed air supply systems,
general description of compressors, considerations in
selecting an air-compressor, compressed air thermal
conditioning and purification equipment, air regulators.
Special Design Considerations
Other special considerations.
Powder Storage and Handling
Purchasing considerations, container size, shipping,
long-term storage, nightly clean-up procedures, conditioning,
Health, Safety, Environmental
and Regulatory Issues
Health and safety considerations, regulatory considerations.
Quality Control Methods and
Test methods and equipment, quality standards, quality
training, film defects, tracking of defects.
Statistical Process Control
What is statistical process control?
Implementation of a SPC program.
Repair of Rejects
Quality acceptance standards, scrap versus rework, rework
procedures, washing and pretreatment, the rework station.
When to strip, stripping methods, environmental and
safety considerations, stripping method selection, hanger
A "Case Study".
22 PCI technical briefs.
9 recommended PCI test procedures. Appendix
PCI trouble shooting guide.
Appendix F Miscellaneous.