1996 Atlas Copco ROC 830HC Blast Hole Drilling Rig

MACHINE: Atlas Copco ROC 830HC hydraulic crawler drill rig for down-the-hole hammer drilling.

OPERATING HOURS: approximately 27,000.

Installed diesel power: 125 kW.

Gross weight: 14,000 kg

CONDITION: Out of service since 2024. Used as a backup rig in case the new drilling rig failed.

DRILLING PERFORMANCE. Hole diameter range: 85 to 125 mm. Maximum drilling depth: up to 36 m. Down-the-hole hammers: COP 32 (85 to 100 mm) and COP 44 (105 to 125 mm). Rotation torque: 2400 Nm maximum. Rotation speed: 0 to 80 rpm. Rod thread: API 2 3/8 inch REG (internal thread). Feed: usable length 4600 mm, feed force 30 kN, pull-back force 30 kN, maximum feed speed 0.6 m/s, feed shift 1000 mm. Fully mechanised drill rod magazine: rod length 4000 mm, capacity 8 pieces of 76 mm or 89 mm rods.

ENGINE AND POWER. Engine: Deutz BF6L 913C, air-cooled diesel, 125 kW at 2300 rpm. Fuel tank: 245 l. Electrical system: 24 V. Compressor: 140 l/s at 14 bar. Hydraulic system: 1 variable and 3 constant pumps, maximum working pressure 210 bar, hydraulic tank 215 l.

UNDERCARRIAGE AND MOBILITY. Operating weight: approximately 13,400 kg (standard equipment). Ground pressure: 0.09 N/mm2. Ground clearance: 370 mm. Track oscillation: plus/minus 10 degrees. Travel speed: 1.5 km/h (3.7 km/h with optional two-speed motors). Maximum tractive force: 90 kN. Gradeability: 30 degrees.

TRANSPORT DIMENSIONS. Length: 7500 mm. Width: 2850 mm. Height: 3150 mm.

EMISSION CONTROL. Robert Aebi particle filter system with Johnson Matthey filter, type FM 2011 SL2. Installed: November 2018. Assessed by BAFU (Swiss Federal Office for the Environment).

FEATURES. Very good manoeuvrability and accessibility, drilling close to the face is possible. Stable three-point set-up with hydraulic support cylinder. Fully automatic drill rod change. Emergency stop cable on the feed. Cab with all-round visibility. Suitable for quarries and open-pit blast hole drilling.

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