The circular distributor, double-arm mandrel, coiler door and internalmandrel of the coiling station in the High-speed Wire Rod Mill are driven by the hydraulic systems.
天钢高线厂集卷站的环行分配器、双臂芯棒、集卷门、内芯棒等都采用液压传动。
2
The paper forword a mathematical model of stream function for sinkings with no internalmandrel and applies the upper bound approach principle to make further deduction and calculation.