Liebherr LB 44 Manuel d'utilisateur télécharger pdf (Page 8)

8 LB 44

BAT 510

100

200

300

400

500

600

0 10 20 30 40 50

BAT 510

100

200

300

400

500

600

0 10 20 30 40 50

Gearbox frame

Drive motors

Kelly bar

Shock absorber

Gearbox

Cardan joint

Casing driver

Rotary BAT 510 with shock absorber

Automatic gearbox for best operating comfort

• No stopping required to change gears

• No interruption of the drilling process

• Automatic torque adjustment

• Continuous optimization of speed

• Four electronically adjustable speed ranges

Highest availability through easy set-up

• No mechanical shift gearbox

• Higher availability thanks to less moving parts

• Less maintenance required

Rotary BAT 510

• No pressure lubrication necessary

• No interferences through defective lubrication pump

• Simplified hydraulics

• Lower risk of hydraulics leakages

Flexibility through modular design

• Exchangeable drive adapters for use of other Kelly bars

• Exchangeable cardan joint for other casing drivers

• Quickly exchangeable equipment for other methods of operation

kNm

rpm

Effective

Nominal

kNm

rpm

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Liebherr LB 44 Manuel d'utilisateur Page 8

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