Introduction to the embossing galvanized steel strip rolling method

Embossing galvanized steel strip rolling method introduction embossing galvanized steel strip is mainly used for package with steel aluminium trolley line ( Contact line) , made by embossing, galvanized after. Embossing of the specifications of the galvanized steel belt with steel belt and size in accordance with GB/T 12754 - 1991 standard. Embossing the galvanized steel belt tensile strength should be no less than 294 N/was; The elongation should not be less than 20%. Embossed strip pattern depth of 0. 25 - 0. 8mm。 Steel belt of the rocker per meter should be no more than 6 mm. Embossed in front of the galvanized steel belt, its surface is allowed the oxide layer of dark grey; Its convex, concave, bean marks, scratches, and individual material, the thickness shall not exceed the steel strip thickness tolerance 1/4. Steel strip edges must not have tear, Broken edges) And rough burr, but not allow existing steel with thickness tolerance 1/4 of burr. The galvanized layer should firmly adhere to the steel belt. Galvanized steel strip after immersed copper sulfate solution for 1 min, there should be no zinc layer falls off or use cotton ( Or net cloth) Do not wipe off the zinc layer. In order to ensure the embossing the length of the galvanized steel belt, roll strip its inner diameter should be 180 - 400-200 mm, outside diameter should be 550mm。