RB230 – Roof Bolter

Overview

Specifications

Optional Equipment

Overview

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

Specifications

Operating Height
54 in
1372 mm
Boom
Dual
Dual
Frame
Articulated
Articulated
Benefits & Features

Specifications

Specifications

Operating Height
54 in
1372 mm
Boom
Dual
Dual
Frame
Articulated
Articulated

Dimensions (approximate)

ATRS reach – with 32x12.5-15 tires
9.88 ft
3010 mm
ATRS reach – with 35x15-15 tires
10 ft
3048 mm
Bolt tightening torque (adjustable)
190 ft-lb
258 N·m
Chassis height – with 32x12.5-15 tires
2.42 ft
737 mm
Chassis height – with 35x15-15 tires
2.54 ft
775 mm
Chassis overall width
9.04 ft
2756 mm
Drill boom feed
7.33 ft
2235 mm
Drilling feed thrust (maximum)
10000 lb
4536 kg
Drilling torque (variable)
310 ft-lb
420 N·m
Ground clearance – with 32x12.5-15 tires
8 in
203 mm
Ground clearance – with 35x15-15 tires
9.5 in
241 mm
Inside turn radius
9.5 ft
2896 mm
Maximum boom separation
17.67 ft
5385 mm
Minimum boom separation
3.83 ft
1168 mm
Minimum tramming height – with 32x12.5-15 tires
3.87 ft
1181 mm
Minimum tramming height – with 35x15-15 tires
4 ft
1219 mm
Outside turn radius
21.5 ft
6553 mm
Overall length with ATRS
25.17 ft
7671 mm
Steering articulation
80° total
80° total
Tram speed – fast
2.38 m/sec (0-130 fpm)
2.38 m/sec (0-130 fpm)
Tram speed – slow
1.19 m/sec (0-65 fpm)
1.19 m/sec (0-65 fpm)
Wheelbase
6.67 ft
2032 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
Four wheel planetary drive; each drive consists of a Fairfield W3B torque hub along with a Char-Lynn series 2000 hydraulic motor

Automatic Parking Brake

Type
Two spring applied, hydraulic released, fail safe brakes at front of machine.
Two spring applied, hydraulic released, fail safe brakes at front of machine.

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.
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.
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.
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.
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.
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.
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.
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.
One (1) ATRS and vertical articulation valve bank.
Valve Banks
One (1) inch tram valve bank at rear of operator's side drilling assembly.
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.
One (1) steering valve bank controlled by means of a joy stick valve.
Valve Banks
One (1) cable reel and vertical articulation valve bank
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).
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.
All other pressures are set for each function accordingly.
Valve Banks
Two (2) boom function valve banks, one per drilling assembly.
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
One (1) tram valve bank controlled by means of a joystick valve in operator's compartment

Electrical

Start
Push buttons at tram and drill stations.
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.
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.
Size 4 vacuum contactors, 1.5 KVA transformer and 150 amp circuit breaker.

Frame

Type
Low profile with bends utilized where applicable to reduce the number of indeterminate stresses introduced by welding.
Low profile with bends utilized where applicable to reduce the number of indeterminate stresses introduced by welding.

Operator’s Drill Station Area

Components
Hydraulically operated drill boom and stab foot functions.
Hydraulically operated drill boom and stab foot functions.
Components
ATRS function control and all other positioning function control.
ATRS function control and all other positioning function control.
Components
Vertical articulation function control.
Vertical articulation function control.
Components
Storage tool tray on each boom for drill steel, starter steel, drill bits and etc.
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).
Inch tram function control (left hand drilling assembly only).
Components
25 mm (1 in) thick, hydraulically adjustable drill station canopy on each drilling assembly.
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.
25 mm (1 in) thick manually adjustable canopy.
Components
Heavy duty seat.
Heavy duty seat.
Components
Full tram function control.
Full tram function control.
Components
Power fill function control.
Power fill function control.
Components
Vertical articulation function control.
Vertical articulation function control.
Components
Cable reel function control.
Cable reel function control.
Components
Four pressure gauges.
Four pressure gauges.
Components
Steering function control.
Steering function control.

Reservoir Fill System

Type
Power hydraulic fill, allows hydraulic oil to be added to reservoir without hand pumping.
Power hydraulic fill, allows hydraulic oil to be added to reservoir without hand pumping.

Manuals

Types
Two parts manuals.
Two parts manuals.
Types
One LinkOne CD which includes all above manuals in electronic format.
One LinkOne CD which includes all above manuals in electronic format.
Types
Two operation/maintenance manuals/troubleshooting guides.
Two operation/maintenance manuals/troubleshooting guides.

Miscellaneous

Kits
Seven (7) oil sampling kits.
Seven (7) oil sampling kits.

Optional Equipment

RB230 Optional Equipment

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 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.
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.
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).
 

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