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ZYJ-1000/135 FLP Underground Water and Gas Drainage Rotary Drilling Rig: force (adjustable) KN I grade cylinder: 30 I stage: 30 II grade cylinder: 20 II stage:20 Propelling stroke mm 1080 noise Noise power dB(A) 92 Noise pressure dB(A) 108 Hole ...

ZYJ-400/130 Fully Hydraulic Column Drilling Rig: 580 7 Drilling diameter mm Φ65-Φ94 8 Guide track length mm 1910 9 1 2 3 4 10 Max. height of drilling rig mm 3800 3200 2600 2100 11 Min. height of drilling rig mm 3200 2600 2000 1500 12 ...

Drilling and Loading Machine for Coal Mine CMZY2-150/20: cutting when overload, which all reduce the labor strength. Type CMZY2-150/20 Drilling seam (m2) 2 0 Drilling scope (mm) 5500×3800 Drilling diameter (mm) Φ27-Φ42 Drilling speed ...

Rock Drilling Machine: Full Hydraulic Jumbo CMJ17, CMJ27 Fully Hydraulic Jumbo is designed for drilling holes in a tunnel. It is widely used in the construction of coal mine, metal mine, hydropower station, railway, etc. ...

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ZYJ-1000/135 FLP Underground Water and Gas Drainage Rotary Drilling Rig