Liebherr LB 44 User Manual

Rotary drilling tools

2 Rotary drilling tools

Table of contents

Augers Type Page

Augers single-start/double-start with fl at teeth AU-FC 4

Rock augers

Drilling buckets Type Page

Drilling buckets double-start with fl at teeth BU-FC 9

Rock drilling buckets

Core barrels Type Page

Core barrels with weld-on blocks CB-WB 12

single-start AU-RSC 5

double-start AU-RSC2 6

double-start without pilot AU-RSCi 7

tapered AU-P 8

with reamer BU-R 10

single-start/double-start BU-RSC 11

with round shank chisels CB-RSC 13

Casing drivers Page

Casing drivers adapter plate 14

Casing drivers

remote-controlled 15

Casings Page

Casings double-wall 16

Bottom casing sections

cutting shoe 17

Tremie pipes Page

Charging funnel
Foot section
Tremie pipes
Suspension jig
Lifting cap

18

Wear parts for drilling tools Page

Flat teeth
Round shank chisels
Weld-on blocks
Pilots
Kelly pins
Casing screw connections
Wear protection

19

Rotary drilling tools 3

Augers AU-FC

single-start/double-start

Technical data

GL

NL

D

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

1390 1500 2300 440 1740

1680 1500 2300 440 1900

1850 1500 2300 440 2240

Other cutting diameters and effective lengths available on request.

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.

• Wear protection at the auger body made of highly wear-

resistant and easily exchangeable composite armour plate.

• Single-start up to a diameter of 1200 mm.

• Equipped with exchangeable FT 80 fl at teeth and fi shtail

pilot.

Ø Casing

[mm]

620/540

750/670

880/800

1000/920

1080/1000

1180/1100

1300/1220

1500/1420

1800/1720

2000/1910

Application

Auger for loose soils such as sand and gravel as well as for
cohesive soils.

4 Rotary drilling tools

Rock augers AU-RSC

single-start

Technical data

GL

NL

D

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

Other cutting diameters and effective lengths available on request.

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 wear­resistant 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.

Ø Casing

[mm]

620/540

750/670

880/800

1000/920

1080/1000

1180/1100

1300/1220

Application

Single-start auger also suitable for platy, fi ssured and compact
rock of low cohesiveness.

Rotary drilling tools 5

Rock augers AU-RSC2

double-start

Technical data

GL

NL

D

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

Other cutting diameters and effective lengths available on request.

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 wear­resistant 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.

Ø Casing

[mm]

620/540

750/670

880/800

1000/920

1080/1000

1180/1100

1300/1220

1500/1420

1800/1720

2000/1910

Application

Double-start auger also suitable for platy, fi ssured and compact
rock of medium cohesiveness.

6 Rotary drilling tools