Liebherr LB 44 - Manual (Page 10)

10 LB 44
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
X
A
1900
Display for Kelly drilling
Performance data
Max. drilling diameter* 3000 mm uncased
Max. drilling diameter* 2500 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 1850 mm.
Technical data
Rotary drive - torque 510 kNm
Rotary drive - speed 35 rpm
Kelly drilling
LB 44 with optional equipment
Kelly bars MD 45
A X Drilling depth Weight Kelly Ø
(mm) (mm) (m) (t) (mm)
MD 45/3/30 12200 16.2 28.7 10.1 559
MD 45/3/36 14200 14.2 34.7 11.5 559
MD 45/4/42 13250 15.2 40.7 13.8 559
MD 45/4/48 14750 13.7 46.7 15.4 559
MD 45/4/54 16250 12.2 52.7 17.0 559
MD 45/4/60 17750 10.7 58.7 18.6 559
MD 45/4/66 19250 9.2 64.7 20.2 559
MD 45/4/72 20750 7.7 70.7 21.8 559
MD 45/4/78 22250 6.2 76.7 23.4 559
MD 45/4/84 23750 4.7 82.7 25.0 559
MD 45/4/90 25250 3.2 88.7 26.6 559
MD 45/4/96 26750 1.7 92.0 28.2 559
Kelly bars MD 36
A X Drilling depth Weight Kelly Ø
(mm) (mm) (m) (t) (m)
MD 36/3/30 11900 16500 28.6 7.6 470
MD 36/3/36 13900 14500 34.6 8.8 470
MD 36/4/42 12950 15500 40.7 10.3 470
MD 36/4/48 14450 14000 46.7 11.5 470
MD 36/4/54 15950 12500 52.7 12.7 470
MD 36/4/60 17450 11000 58.7 13.9 470
MD 36/4/66 18950 9500 64.7 15.1 470
MD 36/4/72 20450 8000 70.7 16.3 470
MD 36/4/78 21950 6500 76.7 17.5 470
MD 36/4/84 23450 5000 82.7 18.7 470
MD 36/4/90 24950 3500 88.7 19.9 470
MD 36/4/96 26450 2000 92.0 21.1 470