We also introduce measures taken due to the voltage of the electrostatic controller being too high!
We will introduce troubleshooting for the issue of poor leveling of the coating (the surface of the coating feels like it has waves of various sizes), known as "yuzu skin." If the cause is that the rise in baking temperature of the object being coated is too slow, it is possible to take measures by measuring the heating conditions of the baking oven and determining the appropriate temperature settings. Additionally, there are measures for cases where the paint has fallen due to physical factors such as wind before entering the baking and drying oven. [Causes and Measures (Excerpt)] ■ The rise in baking temperature of the object being coated is too slow → Measure the heating conditions of the baking oven (heating curve) and determine the appropriate temperature settings. ■ The temperature of the object being coated before painting is too high, resulting in excessive film thickness → Extend the cooling time between the water drainage drying oven and the painting booth. ■ Insufficient film thickness during painting or excessive film thickness → Reconsider the painting method (painting time, discharge amount, working method, etc.). *For more details, please refer to the PDF document or feel free to contact us.
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【Other Causes and Countermeasures】 ■ The storage period of the powder coating was too long, and the paint has already reacted. → Check the storage conditions of the powder coating. → Replace any paint that has been stored for an excessively long time. ■ The voltage of the electrostatic controller is too high. → Set the voltage to a level suitable for the object being coated. ■ The paint fell off due to physical factors such as wind before entering the curing oven. → Consider preventing or mitigating the airflow in the workspace. ■ The phenomenon of reverse ionization (electrostatic repulsion) has occurred. → Lower the voltage. → Increase the distance between the gun tip and the object being coated. → Ensure that the grounding is appropriate and below 1 megaohm. → Check the ratio of virgin to recovered material. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Our company has been engaged in the sale of industrial paints for over 100 years since its founding, and we also sell related products such as painting materials and equipment. Additionally, we offer consultations on the entire industrial painting process, from the design to the installation of painting equipment, as well as installation work for painting facilities. Please feel free to contact us if you have any requests.