CJD-260 Crawler Pneumatic Water Well Drilling Rig ·civil Engineering Drilling
1. The applications of CJD-260 crawler pneumatic drilling rig
· civil engineering drilling
· geothermal drilling,
· drilling with large diameter
· deep drilling footage
· fast, flexible and efficient.
2. The specifications of CJD-260 crawler pneumatic drilling rig
Model |
CJD-260 |
|
Gross weight |
t |
6.2 |
External dimension |
mm |
3900*1950*2550 |
Aperture |
mm |
140-325 |
Drilling depth |
m |
260 |
Feed stroke |
mm |
3000 |
Travel speed |
km/h |
2.5 |
Grade ability |
max. |
30° |
Rising height from ground |
mm |
250 |
Wind pressure |
mpa |
1.7-3.0 |
Air consumption |
m³/min |
17-35 |
Engine power |
kw |
85 |
Rotary speed |
rpm |
40-70 |
Rotation torque |
n.m |
7000-9000 |
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