Liebherr LB 44 User Manual download pdf (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.

1 2 3 4 5 6 7 8 9 10 ... 19 20

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Liebherr LB 44 User Manual Page 5