Type CB-RB cased Core barrel with roller bits

Gallery loading.
Effective length 1,200 mm
Diameter 650 - 1,840 mm
Casing cased
Range of application Compact rock from 100 Mpa up to about unreinforced concrete 250 Mpa
Equipment Kelly box 200 mm, easily exchangeable tapered roller bits with carbide pins, teeth and conveyance flights for transporting the drill cuttings. Easily exchangeable hard metal wear plates and hardfacing as wear protection

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CB-RB Ø 650 cased CB-RB Ø 700 cased CB-RB Ø 780 cased CB-RB Ø 900 cased CB-RB Ø 970 cased CB-RB Ø 1060 cased CB-RB Ø 1180 cased CB-RB Ø 1370 cased CB-RB Ø 1650 cased CB-RB Ø 1840 cased
Diameter [mm] 650 700 780 900 970 1,060 1,180 1,370 1,650 1,840
Casing outside diameter [mm] 750 800 880 1,000 1,080 1,180 1,300 1,500 1,800 2,000
Casing inside diameter [mm] 670 720 800 920 1,000 1,100 1,220 1,420 1,720 1,910
Effective length [mm] 1,200 1,200 1,200 1,200 1,200 1,200 1,200 1,200 1,200 1,200
Total length [mm] 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000
Weight [kg] 1,220 1,300 1,420 1,780 1,950 2,220 2,440 2,940 3,520 4,020
Max. torque [kNm] 350 350 480 480 480 480 480 480 480 480
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Variants

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