Powder Coating Troubleshooting: Unstable Film Thickness (Pattern)

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last updated：Sep 13, 2023

川口化成品

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Adjusting and securing the way the hanger is hung! Introducing measures to address issues caused by the movement of the items being painted.

We will introduce troubleshooting for "unstable film thickness (pattern)" issues such as the substrate being visible, poor leveling, and a rough surface. If the complexity of the shape of the object being coated affects the powder's ability to enter, it is possible to implement countermeasures by making suitable equipment settings according to the shape or by changing the nozzle at the gun tip. Additionally, there are countermeasures for issues caused by the movement of the object being coated. [Causes and Countermeasures (Excerpt)] ■ In cases where recycled powder is being used and the supply of recycled and new powder is unstable: → If an automatic supply device is in place, check whether the supply of new powder relative to the recycled powder is consistent. ■ Due to the movement of the object being coated: → Adjust or secure the way the hanger is suspended. *For more details, please refer to the PDF materials or feel free to contact us.

Related Link - https://www.funtai-toryo.com/troubleshooting_13.ht…

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【Other Causes and Countermeasures】 ■ If a primer has been applied, depending on the film thickness condition, it may become insulated and result in uneven film thickness. → Adjust the shape of the hanger and the configuration of the gun. → Ensure proper grounding. ■ Due to unstable transportation of powder coating. → Check for blockages in the paint hose and ensure the hose is not being forced into sharp bends. → Confirm that the transfer air is stable. → Use the "IPD Micronized Powder Coating Control System." ■ The shape of the object being coated is complex enough to affect powder entry. → Make suitable equipment settings according to that shape. → Try changing the nozzle at the gun tip. → Use the "IPD Micronized Powder Coating Control System." *For more details, please refer to the PDF document or feel free to contact us.