... different stratum, we can adjust torque and rotary speed of drilling rig to increase drilling rigs adaptability. ... (mm):Φ89,Φ102,Φ114Rod Angle (°):900Output Rotary Speed of Power Head (r/min):6,12,24,30,45, ... Frame (mm):900Lifting force of Power Head (kN):65Lifting speed of Power Head (m/min):1,5.9,15Feeding ... Force of Power Head (kN):33Feeding Speed of Power Head (m/min):0-2timing,11.5 ...