ZLJ-2900 Spindle Type Tunnel Drilling Machine For Coal Mining

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ZLJ-2900 Spindle Type Tunnel Drilling Machine For Coal Mining
Posting date : May 13, 2014
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84-
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Applications & Features:      ZLJ-2900 tunnel drilling machine for coal mining is developed based on XY-2 drilling rig of spindle type core drilling,it is suitable for tunnel engineering drilling with diamond bit,tungsten carbide bit in coal mining and underground exploration drilling for coal field.     It is light in weight,better quality,larger powered,wide performance and good interchangeavility. Technical Specifications Item Unit Number Of Value Rated speed of rotation table shaft r/min 63/108/172/238/ 295/520/830/1148 Rated output torque of rotation table shaft N·m 2900/1660/1030/ 760/600/330/190/135 Max.push force of spindle kN 44 Max.pull force of spindle kN 60 Max.feed speed of spindle m/min 0~6 Max.feed stroke < mm 600 Max.pull force of hoist with single kN 30 Drum dia. mm Φ200 Wire rope dia. mm Φ14 Drum capacity m 45 Drilling depth in theory m   Rod model Φ42mm /rod   530 Φ50mm /rod   385 Φ60mm /rod   320 AW /rod   530 BW /rod   420 NW /rod   320 Drilling angle range º -90~+90 Rated pressure of hydraulic system Mpa 8 Power of electric motor kW 22 Overal dimension mm 2150×900×1690 Weight(excluding power unit and rod) kg ≈950 Max.weight of detached part kg 140

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