High Power ZLJ-650 Underground Mine Tunnel Core Drilling Rig
ZLJ tunnel drilling rig is mainly used for water exploration, coal exploration, gas drainage, dust injection and various engineering holes and geological structure holes at various angles inside the mine. It can also be used for ground geological exploration, building foundation reinforcement and other drilling.
Item |
Unit |
Specification |
||||||
ZLJ-250 |
ZLJ-350 |
ZLJ-650 |
ZLJ-400 |
ZLJ-700 |
||||
Rated torque |
High speed |
N·m |
250 |
350 |
650 |
400 |
700 |
|
medium speed |
150 |
206 |
382 |
230 |
520 |
|||
low speed |
85 |
116 |
214 |
130 |
310 |
|||
Rated speed |
High speed |
r/min |
363 |
375 |
270 |
360 |
385 |
|
medium speed |
205 |
214 |
151 |
205 |
219 |
|||
low speed |
120 |
120 |
88 |
115 |
123 |
|||
Open Dia. |
mm |
89 |
89 |
108 |
108 |
108 |
||
Final hole Dia |
mm |
50 |
50 |
76 |
76 |
76 |
||
Vertical axis travel |
mm |
400 |
400 |
400 |
400 |
400 |
||
Depth |
m |
75 |
100 |
200 |
150 |
200 |
||
Rated pressure |
Mpa |
8 |
8 |
7 |
8 |
8 |
||
Max force |
kN |
9 |
20 |
23 |
20 |
30 |
||
Max pulling force |
kN |
12 |
27 |
34 |
30 |
50 |
||
Drilling angle |
° |
0-360° |
0-360° |
0-360° |
0-360° |
0-360° |
||
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