2022-4-18 16:39| 发布者: steelfu4mo| 查看: 613| 评论: 0 |原作者: 佛山万庆物资
The whole unit includes the following four parts: inlet section, pretreatment section, coating section and exit section.The common process of the second coating and second drying color coating production line is: open coil and suture inlet live sleeve cleaning pretreatment initial (fine) coating initial (fine) curing cooling outlet live sleeve shear roll take.
Entrance section: including open roll, cutting, seam and storage sleeve, designed to release and connect them to supply metal sheet to the unit continuously and uniformly.
Pretreatment section: clean the coated bottom plate and conduct surface treatment to improve corrosion resistance and adhesion to the upper paint film.
Painting section: is the core part of the whole unit, usually using the positive and reverse sides of the two coating two drying process, that is, coating primer (first coating) baking curing cooling coating paint (fine coating) baking curing cooling.With different product requirements, can also be only one drying or only a single surface.Painting can be used in reverse or roll roll coating construction.Furnace temperature section control, the temperature of each section depends on the coating type used, the bottom plate thickness and the time through the oven.
Excellent color coating board product quality is the premise to ensure a good use effect, reasonable material selection can not only reduce the cost, but also an important guarantee to achieve your desired use effect.