从穿孔机调整、工具形状等方面分析了二辊锥型穿孔机产生轧卡的原因，并提出了相应的预防措施。
This paper analyzes the reasons leading to rolled stock jamming in duo cone type piercing mill on piercing mill adjustment and tool shape etc. and puts forward corresponding preventive measures.
论述了二辊斜轧锥形辊穿孔机的穿孔原理及其应用范围。
The piercing principle of 2-roll cross-rolling piercer and its application range are discussed.
主要介绍了动态平稳的二辊卧式穿孔机的技术性能、设备结构及其使用效果。
Introduced in the article are the technical features and equipment structure of the dynamically stable 2-roll horizontal piercing mill as well as its operation results.
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