According to several defects analysis of stainless steel strip, if you want to eliminate the coiling and folding of the strip, the local high point formed at the jaw should be eliminated to avoid plastic bending. There are two ways to solve it:
Method 1: By changing the machining method of the equipment, the jaw is transformed into a slope with a certain angle. But because the reel forms a fixed shape after the equipment transformation, when a slope with a suitable angle is designed for a certain thickness specification, for other thickness specifications, the product is not suitable. The reels of the whole factory must be modified. Not only is the applicability narrow, but also the cost is high, and the defects of all specifications cannot be eliminated.
Method 2: By artificially increasing the support, the shape of the strip steel during coiling, changed to make it conform to the helical shape. The principle is to reduce the bending radius at the jaw. Although this method increases material usage and manual workload, since the specification of the support material can be adjusted manually. It can be adjusted and improved for products with different thickness specifications and different strip properties.
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