... be selectes among the three forms (i.e. prise, steel, wheel and rolling bar) at will to meet the need of ... by 3~5 times. KP2000A Type Rig (m)Power (kW)45Drilling depth (m)80Diameter rock(m)2Turntable speed (r/min)10,30,43 ... ,63Wheel torque (kN.m)43.8,14.6,10.2,7.0Quality(t)10 ...