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core barrel

core barrel

 

Roller Bits Core Barrel

 Size520mm-2000mmApplication- For strong rock formations(compressive strength ≥100Mpa).Features- Kelly Box size130;150;200mm- Roller Bits are API Certificated, complete of bearing and carbide insertSuitable for RotaryDrilling RigBauer;Sany; Xcmg; Soilmec; Mait; IMT...

 

 

Drilling Dia.(mm)

Barrel Length(mm)

Barrel Thickness(mm)

Roller Bit(pcs)

600

1200

16

4

700

1200

16

4

800

1200

16

6

900

1200

16

6

1000

1200

16

8

1200

1200

16

8

1250

1200

16

10

1300

1200

16

10

1400

1200

16

12

1500

1200

16

12

1600

1200

16

14

1800

1000

20

16

2000

800

20

18

2200

800

20

18

2500

800

20

20

 

 

Solidkey Core Barrel Series

 

Roller Bits Core Barrel

Core Barrel With Round Shank Chisel Teeth

Core Barrerl With Replaceable Blocks

 

Cross Cutter Core Barrel

Size

(mm)

520-2000

520-2500

520-2000

520-2500

 

 

 

 

Appli-cation

- For strong rock formations(compressive strength ≥100Mpa).

-Upto strong rock of 100Mpa suitable for cutting through fissured rock

- Upto strong rock of 100Mpa lightly reinforced concrete

- Used to break rock cores which remain in the borehole after using a core barrel

-it is also suitable for drilling hard ,jointed rock(<100Mpa)

 

 

 

 

 

Featur-

es

- Kelly Box size

 130;150;200mm

- Roller Bits complete of bearing and carbide insert

 

- Kelly Box size

130;150;200mm

- Cutting ring with raggered arrangement of round shank chisels.

- Chisel holders are welded to the base body.

- The round shank chisels can be easily replaced when using suitable tools

- Kelly Box size

130;150;200mm;

- Cutting Ring with tungsten carbide armoured blocks

- The block holders are welded into the base ring of the core barrel

- The blocks are secured with a pin and can be easily replaced 

-Kelly Box size

130;150;200mm;

- Cutting ring with round 

shank chisels 

-Chisel holdrs are welded to the base

-Central pipe reinforcement