Problems that should be paid attention to when spraying powder on zinc steel fence

During the powder spraying process of zinc steel fence , attention should be paid to the conductivity of the spreader, and the thickness of the spreader should not be too thick. If the thickness is too thick, a concentrated burning method can be used to remove the coating on the appliance; because the workpiece is heavier, it must be The hanger is designed, the hanger is required to be stable, and the goal of pre-baking is to remove the remaining moisture on the workpiece, the second is to ensure that the powder coating of a certain thickness is better attached to the surface of the workpiece, and the third is to ensure that the workpiece is heated evenly as soon as possible , Traffic fence is a kind of traffic safety facility set on the outside of the road shoulder, traffic separation belt and sidewalk teeth. It absorbs collision energy through self-deformation or vehicle climbing, thereby changing the direction of the vehicle, preventing the vehicle from going out of the road or entering the opposite lane, and reducing the damage to the occupants. The socket-type connector used in the community fence can greatly increase the installation speed. The universal socket connection makes it easy to install the fence at any angle and in different directions on a slope or uneven ground. It is harder than wood and harder than cast iron. More flexible and high impact resistance, long service life; lawn fences make homes, cities, and places where we live more beautiful and beautiful. And it has many bright colors.

The bridge fence refers to the fence installed on the bridge. Its purpose is to prevent out-of-control vehicles from getting out of the bridge, and to prevent vehicles from breaking through, underpassing, overpassing the bridge and beautifying the bridge building. The river barrier here refers to the industrial “protective barrier”. fences are mainly used for the protection and protection of personal safety and equipment and facilities in residential, highway, commercial areas, public places and other occasions. fences can be seen everywhere in our lives. According to the height of the fence, the price per meter length will be different. For fence products, according to its characteristics, the combination of automatic spray gun and manual spray gun supplementary spraying is adopted. The goal is to monitor the spraying quality in real time and ensure stable product quality. Generally, the curing condition of pure polyphenol powder coating is 200℃, 10min, and the curing temperature and time are guaranteed by adjusting the temperature and chain speed of the heating furnace.

Take cold air to dry. In the process of drying, inspect the workpieces. For places where the permit is not good, such as sagging, blistering, bottoming, closing holes, etc., the powder coating can be diluted with dimethyl ketone, while the workpiece is not drying. Coating process or spraying on the surface of bad places, curing with waste heat, rework is needed for major bad places. Different treatment methods are selected according to the thickness of the coating film. Generally, the parts are directly coated with powder, mechanically polished, and removed. Three methods of film treatment.