RB230 - ROOF BOLTER
Caterpillar combines technology with keen customer insights to deliver a new level of innovative, safe and productive roof bolters. Key Features: • Skid or proprietary articulated steering (depending on model) • Horizontal and vertical articulation (on dual-boom models) • Floor and roof avoidance compensation (on dual-boom models) • Individual planetary wheel drives-no sprockets or chains • User-friendly operator zones • Single AC primary drive motor • Single hydraulic oil pump • Easy access components • Quick free-steering towing conversion • Streamlined, practical space-planned tram station
SPECIFICATIONS
Operating Height1372.0 mm
BoomDual
FrameArticulated
specifications
Operating Height1372.0 mm
BoomDual
FrameArticulated
manuals
TypesTwo parts manuals.
TypesOne LinkOne CD which includes all above manuals in electronic format.
TypesTwo operation/maintenance manuals/troubleshooting guides.
hydraulics
Boom Feed CylinderTwo (2) 165 mm (6.5 in) bore, double acting cylinder on each boom with in line check valve, one per drilling assembly.
Boom Swing CylinderTwo (2) 89 mm (3.5 in) bore, double acting cylinders, one per drilling assembly.
PumpFour stage gear pump rated at 132/132/57/57 L/min (35/35/15/15 gal/min) at 1,770 rpm with spline fit to pump motor.
Reservoir568 L (150 gal) capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer.
Stab Foot CylinderTwo (2) 101 mm (4 in) bore, double acting cylinders, one per drilling assembly.
Steering CylinderTwo (2) 101 mm (4 in) bore, double acting cylinders.
Sumping CylinderFour (4) 38 mm (1.5 in) bore, double acting cylinders two per drilling assembly.
Valve BanksOne (1) ATRS and vertical articulation valve bank.
Valve BanksOne (1) inch tram valve bank at rear of operator's side drilling assembly.
Valve BanksOne (1) steering valve bank controlled by means of a joy stick valve.
Valve BanksOne (1) cable reel and vertical articulation valve bank
Valve BanksAll valve banks are spring returned, bi-directional with main relief set at 13.79 Mpa (2,000 psi).
Valve BanksAll other pressures are set for each function accordingly.
Valve BanksTwo (2) boom function valve banks, one per drilling assembly.
Valve BanksOne (1) tram valve bank controlled by means of a joystick valve in operator's compartment
frame
TypeLow profile with bends utilized where applicable to reduce the number of indeterminate stresses introduced by welding.
dimensions approximate
ATRS reach - with 32x12.5-15 tires3010.0 mm
ATRS reach - with 35x15-15 tires3048.0 mm
Bolt tightening torque (adjustable)258.0 N·m
Chassis height - with 32x12.5-15 tires737.0 mm
Chassis height - with 35x15-15 tires775.0 mm
Chassis overall width2756.0 mm
Drill boom feed2235.0 mm
Drilling feed thrust (maximum)4536.0 kg
Drilling torque (variable)420.0 N·m
Ground clearance - with 32x12.5-15 tires203.0 mm
Ground clearance - with 35x15-15 tires241.0 mm
Inside turn radius2896.0 mm
Maximum boom separation5385.0 mm
Minimum boom separation1168.0 mm
Minimum tramming height - with 32x12.5-15 tires1181.0 mm
Minimum tramming height - with 35x15-15 tires1219.0 mm
Outside turn radius6553.0 mm
Overall length with ATRS7671.0 mm
Steering articulation80° total
Tram speed - fast2.38 m/sec (0-130 fpm)
Tram speed - slow1.19 m/sec (0-65 fpm)
Wheelbase2032.0 mm
drive train
TypeFour wheel planetary drive; each drive consists of a Fairfield W3B torque hub along with a Char-Lynn series 2000 hydraulic motor
miscellaneous
KitsSeven (7) oil sampling kits.
automatic parking brake
TypeTwo spring applied, hydraulic released, fail safe brakes at front of machine.
operator’s drill station area
ComponentsHydraulically operated drill boom and stab foot functions.
ComponentsATRS function control and all other positioning function control.
ComponentsVertical articulation function control.
ComponentsStorage tool tray on each boom for drill steel, starter steel, drill bits and etc.
ComponentsInch tram function control (left hand drilling assembly only).
Components25 mm (1 in) thick, hydraulically adjustable drill station canopy on each drilling assembly.
tram station area
Components25 mm (1 in) thick manually adjustable canopy.
ComponentsHeavy duty seat.
ComponentsFull tram function control.
ComponentsPower fill function control.
ComponentsVertical articulation function control.
ComponentsCable reel function control.
ComponentsFour pressure gauges.
ComponentsSteering function control.
reservoir fill system
TypePower hydraulic fill, allows hydraulic oil to be added to reservoir without hand pumping.
electrical
StartPush buttons at tram and drill stations.
StopTape switch (panic strip) at tram and drill stations that de-energize electrical system and applies automatic brake.
controller
TypeSize 4 vacuum contactors, 1.5 KVA transformer and 150 amp circuit breaker.
RB230 OPTIONS
- voltageblower option
440 Volt AC, Roots Whispair Blower - electrical system with pump motor rated at 80 hp; blowers rated at flows to 81 CFM at 508 mm (20") Hg. Each vacuum blower is directly belt driven from the electric motor by means of sheaves and “v” belts. - lighting option
MCI Fluorescent Lighting, High - area lighting with one headlight on front and rear for high seam applications up to 3048 mm (10 ft). - cable reel option
610 mm (24 in) diameter for #2/3C Round Cable - 106 680 mm (350 ft) capacity horizontal type reel with free payout and hydraulic motor, chain drive wind in for recommended #2/3C, GGC round trailing cable. Unit is supplied with 6096 mm (20 ft) of recommended cable. - tram canopy option
Tram Canopy, 1117 mm (3 ft 8 in) minimum height - manually adjustable tram canopy with a minimum height of 1168 mm (3 ft 10 in) and a maximum height of 1397 mm (4 ft 7 in) at 216 mm (8.5 in) ground clearance. - drill chuck option
Universal, Extended Dry/Deep Splined Chuck - chuck protrudes above drill head by 61 mm (2.375 in) with no need for drill chuck retention. - atrs option
3226 mm (10 ft 7 in) Reach, 3480 mm (11 ft 5 in) to 4115 mm (13 ft 6 in) Wide Sumping Crossbeam - T-Bar with hydraulic sump roof support contact rocker arms to allow crossbeam to extend from 3480 mm (11 ft 5 in) to 4115 mm (13 ft 6 in). This T-Bar consists of a primary and secondary cylinder along with two 305 mm (12 in) sumping cylinders. - tirewheel option
Four 35x15-15, 889 mm (35 in) Foam Filled Tires - 20 ply, 889 mm (35 in) maximum form diameter foam filled tires mounted on rim assemblies. - drill speed option
650 RPM Maximum Drill Speed - generated by means of a 32 mm (1.25 in) gear width hydraulic motor. - controller coveroil level switch option
Oil Level Switch, Light Only - above cover assembly with the addition of a low oil warning light. - oil filter brand option
Schroeder “Spin-On” Oil Filter - 7 micron return side filter. The filter is equipped with by-pass and external dirty filter indication. - blower exhaust location option
Left Side, Operator’s Side - at rear of machine. - roof bolter accessories
Pre-Duster Installation - remote tank with a 122 m3 (0.4 ft3) capacity that removes larger dust particles automatically, when stab cylinder is activated.
One Hand Rotation/Drill Feed Control Installation.
Schroeder Test Mate Installation - four test ports, one for each stage of the main hydraulic pump.
Grease Zone Lubrication Installation
Torque Gauge Installation - monitor the amount of torque being applied to the roof bolts during installation (one gauge for each drilling assembly).