The characteristics and disadvantages of the existing coiler mandrel were described and how to improve the property of the coiler mandrel is discussed in the paper.
简述了原有的卷取机卷筒的特点及不足，探讨了改善卷取机卷筒性能的一些途经。
By test and analysis, the direct reasons leading to failures are the defaults in designing coiler mandrel diameter change and controlling hydraulic system program but not the system parts themselves.
通过测试与分析，排除了液压系统元件本身的问题，认为卷筒变径设计缺陷和液压系统程序控制缺陷是故障产生的直接原因。
The circular distributor, double-arm mandrel, coiler door and internal mandrel 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。
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