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
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Specification Summary
- Operating Height1372.0 mm
- BoomDual
- FrameArticulated
- TypesTwo parts manuals.
- TypesOne LinkOne CD which includes all above manuals in electronic format.
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Product Brochure
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Product Details
Specifications
| Operating Height | 1372.0 mm |
| Boom | Dual |
| Frame | Articulated |
Manuals
| Types | Two parts manuals. |
| Types | One LinkOne CD which includes all above manuals in electronic format. |
| Types | Two operation/maintenance manuals/troubleshooting guides. |
Hydraulics
| Boom Feed Cylinder | Two (2) 165 mm (6.5 in) bore, double acting cylinder on each boom with in line check valve, one per drilling assembly. |
| Boom Swing Cylinder | Two (2) 89 mm (3.5 in) bore, double acting cylinders, one per drilling assembly. |
| Pump | Four 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. |
| Reservoir | 568 L (150 gal) capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer. |
| Stab Foot Cylinder | Two (2) 101 mm (4 in) bore, double acting cylinders, one per drilling assembly. |
| Steering Cylinder | Two (2) 101 mm (4 in) bore, double acting cylinders. |
| Sumping Cylinder | Four (4) 38 mm (1.5 in) bore, double acting cylinders two per drilling assembly. |
| Valve Banks | One (1) ATRS and vertical articulation valve bank. |
| Valve Banks | One (1) inch tram valve bank at rear of operator's side drilling assembly. |
| Valve Banks | One (1) steering valve bank controlled by means of a joy stick valve. |
| Valve Banks | One (1) cable reel and vertical articulation valve bank |
| Valve Banks | All valve banks are spring returned, bi-directional with main relief set at 13.79 Mpa (2,000 psi). |
| Valve Banks | All other pressures are set for each function accordingly. |
| Valve Banks | Two (2) boom function valve banks, one per drilling assembly. |
| Valve Banks | One (1) tram valve bank controlled by means of a joystick valve in operator's compartment |
Frame
| Type | Low profile with bends utilized where applicable to reduce the number of indeterminate stresses introduced by welding. |
Dimensions (approximate)
| ATRS reach – with 32x12.5-15 tires | 3010.0 mm |
| ATRS reach – with 35x15-15 tires | 3048.0 mm |
| Bolt tightening torque (adjustable) | 258.0 N·m |
| Chassis height – with 32x12.5-15 tires | 737.0 mm |
| Chassis height – with 35x15-15 tires | 775.0 mm |
| Chassis overall width | 2756.0 mm |
| Drill boom feed | 2235.0 mm |
| Drilling feed thrust (maximum) | 4536.0 kg |
| Drilling torque (variable) | 420.0 N·m |
| Ground clearance – with 32x12.5-15 tires | 203.0 mm |
| Ground clearance – with 35x15-15 tires | 241.0 mm |
| Inside turn radius | 2896.0 mm |
| Maximum boom separation | 5385.0 mm |
| Minimum boom separation | 1168.0 mm |
| Minimum tramming height – with 32x12.5-15 tires | 1181.0 mm |
| Minimum tramming height – with 35x15-15 tires | 1219.0 mm |
| Outside turn radius | 6553.0 mm |
| Overall length with ATRS | 7671.0 mm |
| Steering articulation | 80° total |
| Tram speed – fast | 2.38 m/sec (0-130 fpm) |
| Tram speed – slow | 1.19 m/sec (0-65 fpm) |
| Wheelbase | 2032.0 mm |
Drive Train
| Type | Four wheel planetary drive; each drive consists of a Fairfield W3B torque hub along with a Char-Lynn series 2000 hydraulic motor |
Miscellaneous
| Kits | Seven (7) oil sampling kits. |
Automatic Parking Brake
| Type | Two spring applied, hydraulic released, fail safe brakes at front of machine. |
Operator’s Drill Station Area
| Components | Hydraulically operated drill boom and stab foot functions. |
| Components | ATRS function control and all other positioning function control. |
| Components | Vertical articulation function control. |
| Components | Storage tool tray on each boom for drill steel, starter steel, drill bits and etc. |
| Components | Inch tram function control (left hand drilling assembly only). |
| Components | 25 mm (1 in) thick, hydraulically adjustable drill station canopy on each drilling assembly. |
Tram Station Area
| Components | 25 mm (1 in) thick manually adjustable canopy. |
| Components | Heavy duty seat. |
| Components | Full tram function control. |
| Components | Power fill function control. |
| Components | Vertical articulation function control. |
| Components | Cable reel function control. |
| Components | Four pressure gauges. |
| Components | Steering function control. |
Reservoir Fill System
| Type | Power hydraulic fill, allows hydraulic oil to be added to reservoir without hand pumping. |
Electrical
| Start | Push buttons at tram and drill stations. |
| Stop | Tape switch (panic strip) at tram and drill stations that de-energize electrical system and applies automatic brake. |
Controller
| Type | Size 4 vacuum contactors, 1.5 KVA transformer and 150 amp circuit breaker. |
- Voltage/Blower 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 recommende
- 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 recommende
- 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.
- 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
- Tire/Wheel 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.
- 650 RPM Maximum Drill Speed - generated by means of a 32 mm (1.25 in) gear width hydraulic motor.
- Controller Cover/Oil 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).
- 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).
360° Exterior View
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