Liebherr LB 44 - Manual (Page 17)

Rotary drilling tools 17
Bottom casing sections
Cutting shoe
Technical data
Features
• The casing adapters are single-wall - wall thickness 40 mm.
• Standard fi tting with WB 90/42 weld-on blocks (also available
with exchangeable blocks).
Application
For all rock types except very solid rock.
• Solid rock up to 100 Mpa.
• Slightly reinforced concrete.
NL
D
GL
Ø Casing
[mm]
620/540
750/670
800/720
880/800
1000/920
1080/1000
1180/1100
1300/1220
1500/1420
1800/1720
2000/1910
Other cutting diameters and effective lengths available on request.
D NL GL Weight
[mm] [mm] [mm] [kg]
620
2000 2300
760
750 920
800 980
880 1080
1000 1380
1080 1480
1180 1620
1300 1780
1500 2080
1800 2580
2000 2980