液压拧扣机扭矩控制与显示

Control and display of torque in hydraulic screw-lightening

本文介绍新型液压拧扣机输出扭矩的控制与显示方法。通过使用该种控制法,可使液压拧扣机在任意扭矩下卸荷,以满足不同规恪螺纹连接件上卸扣的需要。

This paper introduces the method of controlling and displaying output torque of a new hydraulic screw-on machine. The control method can make the machine unload at arbitrary torque to meet the need of screw-on or screw-off for connecting pieces of different threads.