Liebherr LB 44 - Manual (Page 7)

Rotary drilling tools 7
Rock augers AU-RSCi
double-start, without pilot
Technical data
D NL GL Torque Weight
[mm] [mm] [mm] [kNm] [kg]
520 1500 2330 220 730
650 1500 2330 220 890
780 1500 2330 330 1180
900 1500 2330 330 1250
980 1500 2330 330 1340
1080 1500 2330 440 1540
1200 1500 2340 440 1650
1390 1500 2340 440 1860
1680 1500 2360 440 1970
1850 1500 2360 440 2320
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.
• Two cutting edges with round shank chisels cutting to the
centre as there is no pilot, made of fi ne grained high-strength
steel with holes for mounting the RSC 19 round shank
chisels.
• Two RSC 19 round shank chisels in interchangeable holders
for calibrating the cutting diameter.
Application
Double-start auger for granular and rocky soil, platy, fi ssured
rock 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