We first summarize the reasons why the surface of the workpiece is sprayed with orange peel or coated pits, which is caused by the following:
1. The thickness of the sprayed coating is uneven;
2, the degree of powder atomization is not good, the spray gun has accumulated powder phenomenon
3. The curing temperature is low;
4, the powder is damp, the powder particles are too thick
5. The workpiece is poorly grounded;
6, the baking temperature is too high;
7. The coating film is too thin;
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