100m Electric Tunnel Drilling Rig
Jining Bafang Mining Machinery Co.,Ltd is one of the leading 100m electric tunnel drilling rig manufacturers and suppliers in China,Website:, welcome to buy cheap and low price 200m underground drilling rig made in China from our factory.
ZLJ-350 Rotary mine tunnel underground drilling machine Features of ZLJ-350 underground drilling machine 1. 360 degrees rotary drilling 2. small volume 3. light weight, 4. reliable performance, 5. convenient operation, Technical parameters of drilling rig manufactures Technology Parameters
Item
Unit
Technical Parameter
ZLJ-350
Rated torque
High speed
350
Medium speed
N·m
250
Low speed
100
Rated speed
High speed
r/min
350
Medium speed
170
Low speed
.
99
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
5.5
Voltage
V
380/660
Rated current
A
9/13.0
Dimensions
mm
1265×650
×1020
Weight
Kg
480
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