比例放大器在液压系统中的应用

随着液压技术的不断完善和发展，比例放大器的应用越来越广泛。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。特别是双臂芯棒的复杂要求严格，天钢高线厂选用了比例放大器控制比例阀进行控制，成功地完成了系统功能。

Application of the Proportional Amplifier in the Hydraulic System

With the hydraulic technique's development, amplifiers are used more and more widely. 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. The movements of double-arm mandrel are specially complicated and strict, The control system with the proportional valve and amplifier is adopted, and system functions can be finished successfully.