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发明授权
CN1978188B 减少轧制组合板坯时剪切和切头尾损失的方法 有权

减少轧制组合板坯时剪切和切头尾损失的方法
摘要：
本发明涉及一种组合金属板坯的轧制，并且更具体地，涉及用来通过在轧制组合板坯时最小化剪切和切头尾损失来增大板坯轧制生产率和轧机效率的方法。本发明提供了一种用于铝轧制品的组合结构，其包括横截面在板坯的厚度方向上在平行于轧制方向的至少一个板坯边缘上减少的芯部板坯。至少一块第二板坯组合至芯部板坯。板坯的边缘可以具有切口和/或锥形形状。本发明还提供一种在轧制组合板坯时通过利用横截面在板坯的厚度方向上在平行于轧制方向的至少一个板坯边缘上减小的芯部板坯来减少剪切和切头尾损失的方法。
摘要（英）：

The present invention relates to the rolling of assembled metal slabs and, more particularly, to methods for increasing slab rolling yields and rolling mill efficiency by minimizing shearing and crop losses in the rolling of assembled slabs. This invention provides an assembled structure for aluminium rolled products comprising a core slab with a reduced cross-section in the thickness direction of the slab in at least one of the slab edges running parallel to the rolling direction. At least one second slab is assembled to the core slab. The edges of the slab may have a cut-out and/or a tapered shape. The invention also provides a method of reducing shearing and crop losses at the rolling of assembled slabs, by using a core slab with a reduced cross-section in the thickness direction of the slab in at least one of the slab edges running parallel to the rolling direction.

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