全数字直流调速技术在牙轮钻机上的应用

Application of Fully-digital DC Speed-Control Technology in Blast-hole Drill

介绍了全数字直流调速技术的工作原理及目前牙轮钻机电控的转术水平．结合钻机的工作特点，着重介绍了全数字直流调速技术在牙轮钻机上的应用。

This paper introduced the principle of the fully-digital DC speed-control technology and the current development of blast-hole drill. The stress. in accordance with the technical characteristics of the drill was put on the application of the fully-digital DC speed-control technology in the blast-hole drill.