Liebherr LB 44 - Manual (Page 8)

8 Rotary drilling tools
Rock augers AU-P
tapered
Technical data
D NL GL Torque Weight
[mm] [mm] [mm] [kNm] [kg]
520 1500 2300 220 700
650 1500 2300 220 840
780 1500 2300 330 950
900 1500 2300 330 1070
980 1500 2300 330 1160
1080 1500 2300 440 1250
1200 1500 2300 440 1490
1390 1500 2300 440 1660
1680 1500 2300 440 2000
1850 1500 2300 440 2340
Features
• VK 200 Kelly box made of heat-treated cast steel with
two locking pins D 60 mm.
• Auger fl ight thickness of 30 mm, two-layered in the cutting
section.
• Wear protection at the auger body made of highly wear-
resistant and easily exchangeable composite armour plate.
• Tapered cutting section with single WH 320 interchangeable
holders and RSC 19 round shank chisels.
• PB 280-4 rock pilot, exchangeable with four RSC 19 round
shank chisels.
Application
Full-face cutting tool for compact highly cohesive rock
suitable for drilling.
Ø Casing
[mm]
620/540
750/670
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.
GL
NL
D