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RB120
RB220
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RB120 – Roof Bolter
Overview
RB120 – 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
32 in
813 mm
Boom
Single
Single
Frame
Fixed
Fixed
Benefits & Features
Specifications
Specifications
Operating Height
32 in
813 mm
Boom
Single
Single
Frame
Fixed
Fixed
Dimensions (approximate)
ATRS reach – with 26×7-12 tires
6.33 ft
1930 mm
Bolt tightening torque (adjustable)
200 lb ft
271 N·m
Chassis height – with 26×7-12 tires
2.17 ft
660 mm
Chassis overall width
6.17 ft
1880 mm
Drill boom feed
4.17 ft
1270 mm
Drilling feed thrust (maximum)
7000 lb
3175 kg
Drilling torque (variable)
280 lb ft
380 N·m
Ground clearance – with 26×7-12 tires
6 in
150 mm
Minimum tramming height – with 26×7-12 tires
2.67 ft
813 mm
Overall length with ATRS
14.83 ft
4521 mm
Tram speed – fast
0-39.6 m/min (0-130 ft/min)
0-39.6 m/min (0-130 ft/min)
Tram speed – slow
0-18.3 m/min (0-60 ft/min)
0-18.3 m/min (0-60 ft/min)
Wheelbase
3.5 ft
1067 mm
Drive Train
Type
Four wheel planetary drive; each drive consists of a Fairfield W1B torque hub along with Char-Lynn series 2000 hydraulic motor.
Four wheel planetary drive; each drive consists of a Fairfield W1B torque hub along with 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
ATRS Support Cylinder
One (1) 89 mm (3.5 in) bore, double acting cylinder with pilot operated check valve.
One (1) 89 mm (3.5 in) bore, double acting cylinder with pilot operated check valve.
Boom Feed Cylinder
One (1) 127 mm (5 in) bore, double acting cylinder with in line check valve.
One (1) 127 mm (5 in) bore, double acting cylinder with in line check valve.
Hydraulic Hose
Main system hoses are two wire braid rated at 621 bar (9,000 psi) burst pressure; MSHA 2G flame resistant approved; fittings JIC
Main system hoses are two wire braid rated at 621 bar (9,000 psi) burst pressure; MSHA 2G flame resistant approved; fittings JIC
Pump
Two stage gear pump rated at 94.6/56.8 L/min (25/15 gal/min) at 1,770 rpm with spline fit to pump motor.
Two stage gear pump rated at 94.6/56.8 L/min (25/15 gal/min) at 1,770 rpm with spline fit to pump motor.
Reservoir
446.7 L (118 gal) capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer.
446.7 L (118 gal) capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer.
Stab Foot Cylinder
One (1) 76.2 mm (3 in) bore, double acting cylinder.
One (1) 76.2 mm (3 in) bore, double acting cylinder.
Valve Banks and Auxiliary Controls
All valve banks are spring returned, bi-directional with main relief set at 138 bar (2,000 psi).
All valve banks are spring returned, bi-directional with main relief set at 138 bar (2,000 psi).
Valve Banks and Auxiliary Controls
All other pressures are set for each function accordingly.
All other pressures are set for each function accordingly.
Valve Banks and Auxiliary Controls
One (1) main valve bank
One (1) main valve bank
Valve Banks and Auxiliary Controls
Three (3) auxiliary controls
Three (3) auxiliary controls
Valve Banks and Auxiliary Controls
Two (2) auxiliary cable type controls
Two (2) auxiliary cable type controls
Valve Banks and Auxiliary Controls
One (1) cable reel control operated by means of valve handle located in the operator’s tram station.
One (1) cable reel control operated by means of valve handle located in the operator’s tram station.
Electrical
Start
Two (2) push buttons located at tram and drill station.
Two (2) push buttons located at tram and drill station.
Stop
Three (3) tape switch (panic strip) that de-energizes electrical system and applies automatic brake.
Three (3) tape switch (panic strip) that de-energizes electrical system and applies automatic brake.
Controller
Type
Size 3 electro-mechanical starter with heater strips, 1.5 kVA transformer and 100 amp circuit breaker.
Size 3 electro-mechanical starter with heater strips, 1.5 kVA transformer and 100 amp circuit breaker.
Frame
Type
Low profile rigid frame. The frame design is a box structure type for a light weight, high strength frame assembly.
Low profile rigid frame. The frame design is a box structure type for a light weight, high strength frame assembly.
Operator’s Drill Station Area
Components
Drill boom feed function control.
Drill boom feed function control.
Components
Drill rotation function control.
Drill rotation function control.
Components
Tool supply area on boom for drill steel, drill bits, bolts, resin, etc.
Tool supply area on boom for drill steel, drill bits, bolts, resin, etc.
Tram Station Area
Components
Cable reel function control.
Cable reel function control.
Components
Full tram function controls.
Full tram function controls.
Components
Manually adjustable tram canopy.
Manually adjustable tram canopy.
Components
Two pressure gauges.
Two pressure gauges.
Manuals
Types
Two parts manuals.
Two parts manuals.
Miscellaneous
Kits
Seven (7) oil sampling kits.
Seven (7) oil sampling kits.
Fire Suppression
Type
Four point, 9.1 kg (20 lb) tank, multi-purpose, ABC dry chemical fire suppression system; manually actuated.
Four point, 9.1 kg (20 lb) tank, multi-purpose, ABC dry chemical fire suppression system; manually actuated.
ATRS (H-type)
Type
1930 mm (6 ft 4 in) reach H-type Design; one primary ATRS cylinder is required for this reach.
1930 mm (6 ft 4 in) reach H-type Design; one primary ATRS cylinder is required for this reach.
Mid-Machine Area (between tires)
Components
ATRS support function control.
ATRS support function control.
Components
Stab foot function control.
Stab foot function control.
Components
Inch tram function controls.
Inch tram function controls.
Dust System Blowers
Type
Guyan 3300 series blower rated 56 CFM at 12 in Hg, variable.
Guyan 3300 series blower rated 56 CFM at 12 in Hg, variable.
Blower Drive
Type
Belt driven; vacuum blower is directly driven from a hydraulic motor by means of sheaves and “v” belts.
Belt driven; vacuum blower is directly driven from a hydraulic motor by means of sheaves and “v” belts.
Dust Box
Type
Donaldson style dust collector box with internal separator, cyclone and filter.
Donaldson style dust collector box with internal separator, cyclone and filter.
Tire/Wheels
Type
Four 26×7-12 Solid Rubber Tires – 26 in maximum form diameter, tires mounted on formed rim assemblies.
Four 26×7-12 Solid Rubber Tires – 26 in maximum form diameter, tires mounted on formed rim assemblies.
Cable Reel
Type
Unit is supplied with 7.6 m (25 ft) of recommended cable.
Unit is supplied with 7.6 m (25 ft) of recommended cable.
Type
457 mm (18 in) diameter for #4/3C Round Cable – 83.8 mm (275 ft) capacity reel for #4/3C, GGC round trailing cable.
457 mm (18 in) diameter for #4/3C Round Cable – 83.8 mm (275 ft) capacity reel for #4/3C, GGC round trailing cable.
Lighting System
Type
Ocenco Incandescent Lighting – with one headlight on front and rear.
Ocenco Incandescent Lighting – with one headlight on front and rear.
Drill Station Canopy
Type
Drill Station Canopy – Attached to A.T.R.S. support arm for operator coverage at drilling controls.
Drill Station Canopy – Attached to A.T.R.S. support arm for operator coverage at drilling controls.
Voltage
Type
440 Volt AC Electrical System – pump motor rated at 29.8 kW (40 hp) for one hour at 1,770 rpm.
440 Volt AC Electrical System – pump motor rated at 29.8 kW (40 hp) for one hour at 1,770 rpm.
Type
Splined insert for direct mounted pump and 440 volt AC heater strip.
Splined insert for direct mounted pump and 440 volt AC heater strip.
Type
MSHA totally enclosed explosion proof; non-ventilated cooling; foot mounted.
MSHA totally enclosed explosion proof; non-ventilated cooling; foot mounted.
Accessories
Types
Extra Parts Manual.
Extra Parts Manual.