The paper involves an investigation into the new steel pipe manufacture technology of rollerdiedrawing with the two-stand Y type three-high mill.
研究了利用二连式Y型三辊辊模拉拔钢管生产新技术。
2
Based on analysis of the characteristics of steel pipe rollerdiedrawing process, the analytical equation for the drawing force during rollerdiedrawing operation is derived.
分析了钢管辊拔的特征，推导出辊拔时辊拔力的解析式。
3
The stress characteristic of the main working methods for processing the special-shaped wire, such as drawing, driven rollerdie and rolling was analyzed.