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应用直缝焊管成型过程模拟实验装置，实测了管坯在第一、二架成型机的成型区内应变分布规律，为合理地设计焊管机组成型辊的辊型提供了理论依据。
The application of straight seam welded pipe molding process simulation experimental device, the measured tube blank in the first and second molding machine forming zone of the strain distribution rules for the rational design of the roller tube forming machine roll provides a theoretical basis.