Roller coater and spraying machine are the most important two kinds of coating equipment. They are named after rolling and spraying respectively. The roller coater makes the traditional fog coating liquid through the rotation and kneading of the roller
The paint is attached to the plate to achieve the coating; The spray machine sprays the wave paint on the plate in the form of water mist to realize coating. Here, the roller coater and spraying machine are compared to illustrate their key points.
Advantages of roller coater over spraying machine:
1. Low cost: large investment in color selection machinery and equipment, so the cost of machinery and equipment is also an important detection factor. The general price of roller coating machine is about tens of thousands of yuan, while a spraying machine needs at least 100000 yuan to be removed
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2. Power: the roller coater continues to work, with simple operation and high fault tolerance. The working time of each workpiece is generally several times that of the spraying machine.
3. Save paint: the roller coater adopts circulating paint and is equipped with paint recovery tank, which does not waste paint at all.
Advantages of spraying machine over roller coater:
1. Applicability: the spraying machine adopts automatic spraying mode. Due to the natural randomness of spraying, it is not only suitable for spraying flat plates, but also for spraying special-shaped plates.
2. Spraying effect: the spraying effect is much higher than roller coating, and the mechanized spraying is more uniform and adjustable.
3. Independence: - generally, one spraying machine can complete the coating of primer, finish coat and even before and after, while the roller coating machine often needs to cooperate with other coating equipment to complete the coating work.