This paper provides the fundamental description of the various types of drilling methods of the rig MDT60, and introduces the application of the down-the-hole hammer, including the penetration rate, rotation speed, pulldown-force and the torque ratings.%本文介绍了60MDT地面钻机的几种钻进方式，指出了各种钻进方式的不同应用场合和各自的特点，对潜孔锤进行了重点介绍，对潜孔锤的钻进速度，回转速度，下压力，转矩等分别进行了阐述。
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