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Part 2 of this article tackles four more issues you may be facing when controlling coating temperature with electric heaters in your fluid dispensing system.
Why do we continue to have temperature-based process fluctuations when we have a very tightly controlled ambient environment? It turns out that there is not just one single answer. To understand it, we must start by understanding the hierarchy of the various temperatures involved in the painting process.
In this two-part series, we explore how this carefully crafted design of experiments (DOE) isolated and contrasted the impact and interaction of three key process variables: film build; atomization, and coating viscosity (as determined by temperature).
In this two-part series, we explore how this carefully crafted design of experiments (DOE) isolated and contrasted the impact and interaction of three key process variables: film build; atomization, and coating viscosity (as determined by temperature).
From this testing, it is clear that the temperature of the paint at the nozzle has a significant, measureable impact on surface finish and that each layer (basecoat, clearcoat, etc.) plays a role in the appearance of the final part.
