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根据有无顶头,将斜轧穿孔变形区分成两部分,在适当简化的前提下,建立了运动许可速度场,导出了斜轧穿孔轧制力的上限解。
According to whether there is a head or not, the perforation deformation of oblique rolling is divided into two parts. Under the appropriate simplification, the movement permission velocity field is established and the upper solution of the rolling force of oblique rolling is deduced.