Liebherr LB 44 - Manual (Page 6)

6 Rotary drilling tools
Rock augers AU-RSC2
double-start
Technical data
D NL GL Torque Weight
[mm] [mm] [mm] [kNm] [kg]
520 1500 2300 220 700
650 1500 2300 220 830
780 1500 2300 330 1060
900 1500 2300 330 1160
980 1500 2300 330 1230
1080 1500 2300 440 1420
1200 1500 2300 440 1530
1390 1500 2300 440 1740
1680 1500 2300 440 1900
1850 1500 2300 440 2240
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.
• Cutting edge made of fi ne grained high-strength steel with
holes for mounting the RSC 19 round shank chisels.
• Two round shank chisels in interchangeable holder for
calibrating the cutting diameter.
• PB 280-4 rock pilot, exchangeable, with four RSC 19 round
shank chisels.
Application
Double-start auger also suitable for platy, fi ssured and compact
rock of medium cohesiveness.
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