Liebherr LB 44 User Manual download pdf (Page 12)

12 Rotary drilling tools

Core barrels CB-WB

with weld-on blocks

Technical data

D NL GL Weight

[mm] [mm] [mm] [kg]

520 1200 1850 550

650 1200 1850 590

780 1200 1850 780

900 1200 1850 850

980 1200 1850 900

1080 1200 1850 1010

1200 1200 1850 1200

1390 1200 1850 1400

1680 1200 1850 1500

1850 1200 1850 1700

Features

• VK 200 Kelly box made of heat-treated cast steel with

two locking pins D 60 mm.

• Cutting ring with WB 90/35 weld-on blocks.

• Cutting width approx. 35 mm.

Application

Core barrels are used to cut an annular space. The remaining

centre core is subsequently broken up and removed using a

rock auger.

• Solid rock up to 100 Mpa.

• Slightly reinforced concrete.

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.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20

No comments

Liebherr LB 44 User Manual Page 12