ppgi from jiangsu wholesale pet steel color coated galvanized steel coil for roof tile1
3 year ago
Sickle bend
The sickle bend, also known as the side bend, refers to the bending of a metal plate or strip along its length direction, with one side showing a concave curve and the other opposite side showing a convex curve, expressed in terms of concave height (mm). When using sheet metal with severe sickle bending as the substrate, it is easy to experience deviation during high-speed operation of the production line, which affects the alignment and guidance of the strip steel. At the same time, due to the frequent left-right deviation of the strip steel, it is easy to scratch the surface of the coating roller during the coating process, resulting in strip like scratch marks on the front coating. When using a fixed-point coating method, there may also be color mixing, which affects the appearance quality of the coating.
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