Powder-Coating Ovens
Powder-coating ovens are designed to bring coated components to the specified curing temperature for the required time so the powder coating can flow, cure, and develop its intended finish. The oven may be batch-type or conveyorised and typically uses electric heaters with forced-air circulation to distribute heat through the chamber. Correct process design must distinguish between oven-air temperature and actual part-metal temperature, because heavy components may heat more slowly than light parts. Throughput, part geometry, loading density, airflow pattern, temperature uniformity, and coating manufacturer's cure schedule all influence the required oven design. Exhaust and ventilation requirements depend on the process and materials being handled. Controls may provide zone regulation, timers, alarms, data recording, and over-temperature protection. The oven must be integrated with appropriate site safety and fire-risk controls for the actual coating operation.
Powder-coating oven: parts on the overhead conveyor are cured as they pass through.
How it works
Heaters raise the circulating air temperature, and the air transfers energy to the coated components. The parts must reach the coating's specified cure temperature for the required dwell time; control strategy should account for thermal lag in the load.
Information to provide when ordering
- Largest part dimensions
- Batch mass/throughput
- Coating cure schedule
- Required part-metal temperature
- Oven type
- Airflow
- Exhaust
- Conveyor/rack layout
- Voltage and kW
- Controls
Where it is used
What it heats
Need powder-coating ovens for your application?
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