Double rotary drilling, Model dba 200, Technical data – Liebherr LRB 155 User Manual
Page 11: Performance data

LRB 155
11
Double rotary drilling
Model DBA 200
Hydraulic casing guide
Technical data
Drilling drive I – speed
1
st
gear
7 rpm
Drilling drive I – torque
1
st
gear
196 kNm
Drilling drive I – speed
2
nd
gear
14 rpm
Drilling drive I – torque
2
nd
gear
98 kNm
Drilling drive II – speed
1
st
gear
15 rpm
Drilling drive II – torque
1
st
gear
98 kNm
Drilling drive II – speed
2
nd
gear
30 rpm
Drilling drive II – torque
2
nd
gear
49 kNm
Display for double rotary drilling
Performance data
Max. drilling diameter*
620 mm
Max. drilling depth*
15 m
Max. pull force (crowd winch and Kelly winch)
460 kN
*) Other drilling diameters and drilling depths available on request
See also other documents in the category Liebherr Special machinery:
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- T 264 (24 pages)
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