Liebherr LB 44 - Manual (Page 5)

Rotary drilling tools 5
Rock augers AU-RSC
single-start
Technical data
D NL GL Torque Weight
[mm] [mm] [mm] [kNm] [kg]
520 1500 2300 220 670
650 1500 2300 220 780
780 1500 2300 330 1010
900 1500 2300 330 1110
980 1500 2300 330 1160
1080 1500 2300 440 1340
1200 1500 2300 440 1440
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.
• A RSC 19 round shank chisel in interchangeable holder for
calibrating the cutting diameter.
• PB 280-4 rock pilot, exchangeable, with four RSC 19 round
shank chisels.
Application
Single-start auger also suitable for platy, fi ssured and compact
rock of low cohesiveness.
Ø Casing
[mm]
620/540
750/670
880/800
1000/920
1080/1000
1180/1100
1300/1220
Other cutting diameters and effective lengths available on request.
GL
NL
D