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1. Insufficient gloss of the coating film: the baking time is too long during curing; the temperature is too high; other harmful gases are mixed in the baking; the surface of the workpiece is too rough; the pretreatment method is improperly selected.2. Discoloration of the coating film:...

1. Wheel coating process:On a domestic large-scale wheel production line, the coating process of wheels is: topping, pre-degreasing (spraying), degreasing, washing, washing, pickling (hydrochloric acid), washing, washing, washing, neutralization, washing, surface adjustment, Phosphating, water washi...

First-level maintenance: The key tasks are lubrication, tightening and inspection of all relevant parts, as well as cleaning the three filters (that is, the maintenance of clean air, oil, fuel filters, etc.).Secondary maintenance: Focus on inspection and adjustment. The specific content is to...

There are three basic elements of coating equipment, namely coating materials, coating methods and equipment, coating technology and process management.Excellent coatings and advanced coating equipment are the basic conditions for obtaining high-quality coatings, and are the guarantee for effi...

1. Attention should be paid to the installation of the painted objects on the spraying line. Pre-dip test to design the hanger and object mounting method on the spraying line to ensure that the workpiece is in the best position during dipping. The largest plane of the object to be coated should be c...