斜轧穿孔机轧辊形状设计十分重要，其中辗轧锥角的正确设计是获得高精度壁厚的关键。
Proper design of roller cone angle of smooth rolling is the key to obtaining a high accurate wall thickness.
介绍了石钢公司二轧厂圆钢在线六角捆包装的设计改进过程。
The design and improvement process of on-line hexagon-binding package of round bar in No.
生产实践表明，送进角改进后穿孔效率提高，纯轧时间减少，单位能耗降低。
Relevant operation shows that owing to the change of the feed Angle piercing efficiency has been increased, net rolling time reduced, and unit energy consumption lowed.
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