Liebherr LB 44 - Manual (Page 9)

LB 44 9
10 54
3
700
1000
1600
1900
2200
0
20
40
60
80
100
Nm %
-5.56 m
1.23 m/min
KELLY
188.2 kN
-24.25 m
0.00 m/min
200 kN
-63.9 kN
° 0.1
° 0.0
0
100
200
300
400
bar
0 100 200 300 400
bar
0 200 300 400
bar
2 15
83 mm/U m -24.3
100
0
100
200
300
1300
2
MODE
:
rpm
Display for Kelly drilling
A
1900
X
Technical data
Rotary drive - torque 510 kNm
Rotary drive - speed 35 rpm
Performance data
Max. drilling diameter* 2500 mm uncased
Max. drilling diameter* 2000 mm cased
*) Other drilling diameters available on request
Other Kelly bars available on request
When using a casing oscillator, value X has to be reduced
by 1500 mm.
Kelly drilling
LB 44
Kelly bars MD 36
A X Drilling depth Weight Kelly Ø
(mm) (mm) (m) (t) (mm)
MD 36/3/30 11900 13300 28.1 7.6 470
MD 36/3/36 13900 11300 34.1 8.8 470
MD 36/4/42 12950 12200 40.2 10.3 470
MD 36/4/48 14450 10700 46.2 11.5 470
MD 36/4/54 15950 9200 52.2 12.7 470
MD 36/4/60 17450 7700 58.2 13.9 470
MD 36/4/66 18950 6200 64.2 15.1 470
MD 36/4/72 20450 4700 70.2 16.3 470
MD 36/4/78 21950 3200 76.2 17.5 470
MD 36/4/84 23450 1700 82.2 18.7 470
Kelly bars MD 45
A X Drilling depth Weight Kelly Ø
(mm) (mm) (m) (t) (mm)
MD 45/3/30 12200 13000 28.2 10.1 559
MD 45/3/36 14200 11000 34.2 11.5 559
MD 45/4/42 13250 11900 40.2 13.8 559
MD 45/4/48 14750 10400 46.2 15.4 559
MD 45/4/54 16250 8900 52.2 17.0 559
MD 45/4/60 17750 7400 58.2 18.6 559
MD 45/4/66 19250 5900 64.2 20.2 559
MD 45/4/72 20750 4400 70.2 21.8 559
MD 45/4/78 22250 2900 76.2 23.4 559