Boltec 235: Rock bolting rig - Atlas Copco Madagascar

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Boltec 235: Rock bolting rig

Lina Jorheden

+254 (0) 703054000

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The Boltec 235 is a fully mechanized rock bolting rig for bolt lengths from 1.5 to 2.4 meters and coverage height up to 9850mm. It is equipped with a direct control system (DCS) for positioning, drilling and bolting and with the COP 1132 hydraulic rock drill, as well as a variety of bolt types.


Features & benefits

  • MBU bolting unit for fully mechanized bolt handling for high productivity. Carries 10 bolts in its carousel and handles all commonly used bolts in the 1.5 to 2.4 meter range.
  • Direct control system (DCS) for high productivity and precision also incorporates anti-jamming protection for better drill steel economy.
  • COP 1132 short, high-frequency hydraulic rock drill provides a high penetration rate with excellent drill steel economy.
  • Adapted for various bolt types including Swellex, resin and cement rebar, splitset and mechanical anchor as well.

Technical description



Technical data

Air system
Adjustable speedNo
Air pressure gaugeYes
Air receiver50 l
Hydraulic driven axial piston motorNo
Boom
BoomBUT 35BS
Boom extension, max1600 mm
Feed roll-over360
Lifting angle, max+65˚/-30˚
Swinging angle, max±45˚
Weight, boom only2870 kg
Feed extension 0 - 1000 mm
Bolting unit
Bolt length1.5 - 2.4 m
Bolt typesAdapted for all commonly used bolts on the market, see optional equipment
Bolting unitMechanical Bolt Unit MBU
Chain feedAdapted according to bolt length
Drill steel and couplingAccording to MBU, delivered with rig
Face plates, rectangular, max size150x150 mm
Face plates, round, max size, diameter200 mm
Magazine capacity10 bolts
Carrier
EngineDeutz 4-cylinder, D914 L04 (Tier 3/Stage IIIA)
Power rating58 kW at 2300 rpm
Torque270 Nm at 1500 rpm
Articulated steering±41˚ steering angle
All-wheel driveYes
Axle, frontDana 176
Axle, rearDana 176 with ±8º oscillation
Differential lock on front axleAutomatic
Tires 12.00xR20
Clearance outside axles15˚
Hydraulic jacks, front2 extendable
Hydraulic jacks, rear2
Service brakes2 separate circuits
Emergency and parking brakesSAHR
Fuel tank, volume60 l
Electrical system24 Volt
Hydrostatic power steering systemYes
Tramming lights8x70 W, 24 V
Fire extinguisherYes
Central lubrication systemYes
Spirit levelOne for longitudinal and one for sideways
HornYes
BeaconYes
Reverse alarmYes
BoltrackYes
Gradeability at max. load on drive wheels1:4
TransmissionHydrodynamic
Control system
Control systemDirect Control System, DCS
Dimensions and weight
Width, without bolt rack1930 mm
Height, standard2300 mm
Length6192 mm excluding boom
Ground clearance316 mm
Turning radius, inner3000 mm
Turning radius, outer5800 mm
Electrical system
Total installed power66 kW
Main motors1x55 kW
Voltage380-1000 V
Frequency50-60 Hz
Starting methodStar/delta
Transformer4 kVA
Overload protection for electric motorsElectronic
Digital volt/amperage meter in electrical cabinetYes
Phase sequence indicatorYes
Earth fault indicatorYes
Battery chargerYes
Cable reel, diameter1400 mm
Limit switch for cable reelYes
Hydraulic system
Hydraulic pumps1 unit
Pumps unloaded at startYes
Hydraulic oil tank volume132 - 160 l
Low oil level indicatorYes
Oil temperature gauge on oil tankYes
Oil filter indicatorYes
Water cooled oilYes
Hydraulic oilMineral
Filtration16 µm
System pressure, max150 - 230 bar
Water system
Water inlet pressure, min2 bar
Capacity, max80 l/min at 7 bar
Rock drill
Rock drillCOP 1132

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Lina Jorheden

+254 (0) 703054000

Send an email