50m Diesel Tunnel Drilling Rig
Jining Bafang Mining Machinery Co.,Ltd is one of the leading 50m diesel tunnel drilling rig manufacturers and suppliers in China,Website:, welcome to buy cheap and low price 50m underground drilling rig made in China from our factory.
ZLJ-250 tunnel drilling rig Production Features ZLJ tunnel drilling rig 1.The machine mainly used for underground internal various angle water prospecting, exploration of coal, gas drainage, dust protection and water injection and other uses of the drilling. 2.360 degrees rotary drilling drilling of 50-300m. 3.It can also be used on the ground geological exploration, building foundation reinforcement and other uses of drilling. Technology Parameters
Item
Unit
ZLJ-250
Rated torque
High speed
250
Medium speed
N·m
150
Low speed
85
Rated speed
High speed
r/min
340
Medium speed
192
Low speed
.
112
Rated pressure
Mpa
8
Max feed force
kN
9
Max pulling and lining force
kN
12
Drilling angle
°
0~360°
Capacity of drum
m
26.3
Diameter of wire rope
Mm
8.8
Drill rod caliber
mm
42
Supply water pressure
Mpa
0.6~1.2
Power
kW
4
Voltage
V
380/660
Rated current
A
8.8/5.3
Dimensions
mm
1235×630
×1165
Weight
Kg
440
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