Influence of base level of the roll flower pattern on the roll forming quality of the hat-shaped section
Abstract
High-strength galvanized steel has the advantages of high strength, lightweight and high reliability. However, there are many defects in the forming process, especially the springback, which seriously affects the forming quality. To improve the forming quality of high-strength galvanized steel in rolling forming, a three-dimensional finite element analysis model of a hat-shaped section roll forming process was built by software ABAQUS. The hat-shaped section with a single-layer flange was simulated with three different base-level roll forming methods. The base-level roll forming method was used to simulate and experiment the hat-shaped section with double-layer flanges. This paper provided a method to precisely control the springback angle of high-strength galvanized steel and improved its forming quality.
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