The experience in the use of three types of deep drilling rigs, DHD and rotary, in VCR stopes of Fankou Pb/Zn mine was introduced. The ways how to control the hole deviation and how to increase the drilling efficiency were discussed in more detail.

• 介绍了凡口铅锌矿VCR采场应用三种型号潜孔钻机和牙轮钻机深孔凿岩的经验，对如何控制钻孔偏斜、提高凿岩效率作了详细论述。