介绍了在角钢轧制中，开口切分孔型的优点和构成，并对开口及闭口切分孔进行了受力分析比较。
The advantage and forming of open slitting pass used in Angle steel rolling have been introduced.
表明采用合理的孔型系统、孔型形状和工艺参数，切分轧制产品的组织性能是完全能够得到保证的。
It shows that the organization and property of slit rolling can be guaranteed with reasonable pass system, pass shape and technology data.
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