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METHOD FOR MANUFACTURING A STEEL-MADE YANKEE CYLINDER
METHOD FOR MANUFACTURING A STEEL-MADE YANKEE CYLINDER
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机译:制造钢制扬克缸的方法
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摘要
The invention relates to a method for manufacturing a steel-made Yankee cylinder. According to the invention is the Yankee cylinder divided into several cylindrical shell sections (2a,2b,2x) and these cylindrical shell sections are welded together in an aligned relation to each other, maintaining the roundness of the Yankee, by applying shorter mutually opposed weld seams in pairs along a circumferentially running weld joint. Each weld in a subsequently applied weld pair is preferably applied furthest away from the last weld in a precedingly applied weld pair in a sequential weld pattern. By this welding method is the roundness in the fast-revolving pressure vessel maintained, improving structural rigidity of the Yankee during operation.
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