【摘要】 本文介绍了用双闭环直流调速模块代替原“电子管放大器—电机放大机”对 6 1 5K即1 5 0镗床进行电气改造 ,使 1 5 0镗床恢复了直流调速性能和电气相关精度 ,提高了电气控制系统的可靠性和稳定性。实践证明这是一个投资少、见效快的改造方案 ,为旧机床的电气设备更新换代提供了一条新路更多还原

【Abstract】 Improving on electrical system of  150 boring machine was introduced in this paper by means of double close feed back DC speed-adjusting module replacing the former electronic amplifier-motor amplifier.Both DC speed-adjusting property and electrical system accuracy and stability were increased by improvement.It is turned to be a little investment quick benefit plan that it gives a new thought for replacement of new and old machine tool electrical system.更多还原