Liebherr LB 44 User Manual download pdf (Page 10)

10 LB 44

10

54

3

700

1000

1600

1900

2200

0

20

40

60

80

100

Nm%

-5.56m

1.23

m/min

KELLY

188.2

kN

-24.25m

0.00

m/min

200

kN

-63.9

kN

°0.1

°0.0

0

100

200

300

400

bar

0100200300400

bar

0200300400

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 1190 0 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

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