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Fundamentals to control side crown in rectangular reshaping

机译：在矩形整形中控制侧冠的基本原理

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摘要

This article demonstrates that spring back is the reason for the side crown of rectangular tubing, then reveals the relationship between the side crown and the materials' strength and thickness. Finally, the effect of circumferential reduction on side crown control is explored and a strategy is presented to control the side crown. Each year a million tons of rectangular tubing is made by reshaping the round welded tube in line . The side flatness is an important quality parameter and sometimes, especially for high strength or thin material, or for rectangular tubing where the long side is much longer than the short side, it becomes difficult to control. This article is dedicated to exploring the fundamentals to control side crown and suggesting the strategies to control it.
机译：本文证明回弹是矩形油管侧凸的原因，然后揭示了侧凸与材料强度和厚度之间的关系。最后，探讨了圆周减小对侧冠控制的影响，并提出了控制侧冠的策略。每年通过重整生产线中的圆形焊接管来制造一百万吨的矩形管。侧面平整度是重要的质量参数，有时，特别是对于高强度或薄材料，或者对于长边长于短边的矩形管而言，很难控制。本文致力于探讨控制侧冠的基本原理，并提出控制侧冠的策略。

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