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Pinholes and shrinkage holes are relatively common deficiencies in the use of powder coatings. Their presence not only affects the appearance quality of the product, but also seriously affects the mechanical properties and protection performance of the product. Most of the corrosion of the protected materials extends from this point, thus Lose the use value…
DetailsSummary This article introduces the production principle of pipeline powder. Through elaborating several important indexes, such as the gelation time, particle size distribution, magnetic content, and heat release of pipeline powder, combined with the company’s years of production experience. Talk about how to control the quality of powder in the production process and analyze the…
DetailsPowder spraying equipment assembly line is generally composed of pre-processing equipment, powder spraying equipment, drying tunnel and chain, and electronic control equipment.The pretreatment electrophoresis process is the process with the longest equipment and the most control parameters in the painting workshop. Its effect directly affects the service life and effect of the workpiece; it is…
Details1. Dust processing equipment has air leakage We all know that the internal temperature of the dust processing equipment is very high when it is working, and if the machine leaks, it will enter part of the outside air inside it. When the cold air meets the hot air, it will cause condensation due to…
DetailsIn recent years, metal surface treatment technology has developed rapidly and has been widely used in many fields. In the surface treatment technology and engineering of powder coating equipment, pre-treatment occupies a very important position. It is not only indispensable as a “pre-treatment process” before surface treatment, but also closely related to the success or…
DetailsThe sprayed profiles have various colors and are deeply loved by customers, but due to the complexity of the cross-sectional shape of aluminum profiles, it has brought certain difficulties to spray production and coating thickness inspection. Regardless of the shape of the aluminum profile, the minimum local film thickness of the decorative surface coating is…
DetailsOne Shrink hole and pinhole Serious pollution; The leveling agent is not added or insufficient; Uneven dispersion; There are incompatible materials The benzoin is not added; Mechanical equipment cleaning is not clean; The molecular weight of the resin is not too broad; The material has too much water or small molecules; Some additives are…
DetailsEfficient spray tools are especially important for paint technicians. HVLP/RP environmentally friendly paint/saving paint high efficiency K3 series high load pressure feed type top paint spray gun, mainly used with double diaphragm pump and paint pressure tank connection, with long-time high load production characteristics, very suitable for spraying production line. Such as: automotive OEM coating…
DetailsThose who will operate the spray equipment know that the spray operation needs to pay attention to: spray movement speed, trigger control, gun distance and gun position. The distance between the nozzle discharge opening and the object to be coated is called the spray gun distance. The smaller the spray gun distance, the greater the…
DetailsAs we all know, the most important part of the environmental protection spray equipment process is powder spraying. The industry uses high-pressure electrostatic spray guns for coating. The powder coating is sprayed by electrostatic spray guns to become negatively charged particles. Under the action of static electricity, it is adsorbed to the belt. The positively…
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