The excitement builds as the start up procedure of a new powder finishing system begins. Months of planning and hundreds of thousands of dollars went into the project. Finally the washer is heated, the oven is started, and the conveyor begins to move.
Minutes seem like hours in anticipation of the first coated test panels to emerge from the system.
As the sample panels exit the oven they are allowed to cool before quality testing begins. So far everything looks great, the finish is glossy and smooth. The above problem typically occurs when a number of key process parameters are outside of normal control values. Too low an oven atmospheric temperature. Uneven heat distribution within the oven.