当板材焊接后会出现焊缝。焊缝从较微观的角度分析：它是直边而不是弧边它是

当板材焊接后会出现焊缝。焊缝从较微观的角度分析：它是直边而不是弧边它是厚边而不是薄边它是粗糙的而不是平滑的综合来看，它不仅使上下辊的摩擦加大。而且下辊的扭矩也加大。因此，我们在卷圆前要对焊缝进行磨光、不能太厚。其次，卷制时必须按步有序进行。这些不仅需要理论的计算，而且也需要经验的指导。

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结果 (英语) 1: [复制]

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When the plate is welded, a weld will appear. The weld seam is analyzed from a more microscopic point of view: it is a straight edge instead of an arc edge, it is a thick edge instead of a thin edge, it is rough instead of smooth , and it not only increases the friction between the upper and lower rollers. And the torque of the lower roller is also increased. Therefore, we must polish the weld before the rounding, not too thick. Secondly, the rolling must be carried out step by step. These require not only theoretical calculations, but also empirical guidance.

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结果 (英语) 2:[复制]

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Welds occur when the sheet is welded. Welds are analyzed from a more microscopic perspective: It is a straight edge, not an arc. It is thick rather than thin. It is rough rather than smooth. Taken together, it not only increases the friction of the upper and lower rollers. And the torque of the lower roller swells is increased. Therefore, we should polish the welds before rolling round, not too thick. Second, the roll must be rolled in a step-by-step manner. These require not only theoretical calculations, but also empirical guidance.

正在翻译中..

结果 (英语) 3:[复制]

复制成功！

When the plate is welded, the weld will appear. The welding seam is analyzed from the microscopic point of view It is a straight edge, not an arc edge It's a thick edge, not a thin edge It's rough, not smooth Generally speaking, it not only increases the friction between the upper and lower rollers. And the torque of the lower roller is also increased. Therefore, we should polish the weld before rolling round, not too thick. Secondly, rolling must be carried out step by step. These need not only theoretical calculation, but also experience guidance.

正在翻译中..

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