Model GO4S-III-C Track Switch Undercutter Cleaner
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Model GO4S-III-C Track Switch Undercutter Cleaner
The Track Switch Undercutter Cleaner, Model GO4S-III-C, (Mud Mantis) provides complete Switch and Spot undercutting with one operator and without auxiliary equipment. The 4/57 meter cutter bars are capable of completely undercutting the tangent portion of a switch and after positioning in the starting trench created by the digging wheel on the other side of the track, it is capable of undercutting the turnout portion of the switch. The cutter bar efficiently cuts its way underneath the track,where it removes fouled ballast and deposits the spoil into the digging wheel. The bottom of the cut made by the Undercutter Bar is in line with the cut made by the Digging Wheel. This patented "flat bottom" cut provides optimum drainage.
The ballast that is removed by the undercutter bar and the digging wheel can be conveyed either to a vibratory shaker or directly to the spoil conveyor system of the machine. Material that is routed to the vibratory shaker is separated by size and the oversize and undersize material is removed and routed to the spoil conveyor system while the selected size material is returned to the track as cleaned ballast.
The Spoil Conveyor can be positioned to any point in a 90° arc from one side of the machine to cars directly in front of the machine. This allows the spoil material to be dealt with in a variety of ways.
The GO4S-III-C is also capable of performing a Shoulder Ballast Cleaning Operation or Ditching Operation on either or both Shoulders simultaneously. Each Digging Wheel can be independently deployed to remove the shoulder ballast from the track and place it onto the conveyor system of the machine for processing. The material can then be processed as described above with clean material being returned to the shoulder areas of the track only. If a Ditching Operation is employed, the Digging Wheel is capable of being placed at an angle to the rails and extended laterally beyond the ballast shoulder to enlarge or improve drainage ditches. The material that is removed in this operation can be totally spoiled.
Machine Specifications
- Undercutting components and performance characteristics
- Digging wheel width: 650 mm (25.59 in)
- Cutter bar length: 4,572 mm (15 feet)
- Undercutting Production: 275m3/h (360 yd3/h)
- Trenching speed: 625 m/h (2050 ft/h) (Assume 230 mm deep x 650 mm wide both shoulders)
- Undercutting depth: 200 mm (8 in) below base of sleeper (minimum). 325 mm (12.8 in) below base of sleeper (maximum)
- Undercutting speed: 128 m/hr (420 ft.) to 274 m/hr* (900 ft/hr) *Depending on ballast conditions
- Trench depth: 380 mm (15 in) below base of sleeper (max while undercutting with bar)
- Trench location: 2.2 m (7 ft) track C/L to trench C/L
- Shoulder Cleaning: 400 mm (16 in) below base of sleeper (maximum)
- Length: 71.6 feet (21.84 meters) Width: 133 inches (3,388 mm)
- Height: 15.88 feet (4,841 mm) Weight: 180,000 lbs. (81,615 kg)
- Wheels/Axles/Suspension
- Wheels are 838 mm (33 in.) cast steel AAR profile
- Solid steel axles
- Axles are suspended using heavy duty coil spring suspension in a 2 axle bogie configuration. Suspension is damped in the vertical direction by way of a heavy duty mechanical friction dampener, integral to the bogie. The suspension is locked out during work to maintain the existing track geometry.
- Drive Train
- Separate hydraulic systems for travel and work traction. The systems comprise two engine-driven, electrically controlled, variable displacement hydraulic pumps and four large and four small hydraulically controlled, variable displacement hydraulic motors. The large motors are used for travel and the small motors for work.
- Pump displacement is controlled by operator input from an electrical controller located in the main cabin.
- Machine is capable of propelling with several attached ballast or spoil wagons.
- Brakes
- Air operated brakes equipped with failsafe feature at each wheel for automatic brake actuation in case of air pressure loss.
- Under full-service brake application, a deceleration rate of 0.8 m/sec/sec is achieved.
- Machine is capable of controlling the brakes of attached ballast or spoil wagons.
- Electrical system - 24 VDC with a 150 amp alternator
- Operator cab
- Main cab is sound dampened, air conditioned with ergonomically designed controls for all work functions as well as track travel.
- Equipped with a second, smaller cab equipped with redundant controls for travel when propelling in the opposite direction.
- Controls - The control system consists of a distributed I/O intelligent control system using a control area network (CAN) to communicate with modules distributed about the machine. The control system includes the following features:
- All output channels detect and report short circuits
- All output channels detect and report open circuits
- Output channels monitor and display load current in amps
- All digital I/O channels include status LED indicators
- Module status is monitored and reported in case of failure
- Network communication is monitored and reported in case of failure
- Graphical diagnostics
- All modules are auto-configured, requiring no jumpers or dip switch settings
- All modules maintain the ability to control the equipment in case of supervisory computer failure
- Operates in temperature range of -40° F to +158° F
- Modules are fully potted and protection rated to 1P67 (NEMA4)
- Output channels are capable of 3 amps steady state
- Output channels are capable of 18 amps inrush
- All I/O channels are short circuit protected
- Travel Speed is 80 km/h
- Engine Performance Data - The GO4S-III-C is powered by a Cummins Tier 2 certified diesel engine of 15 liters displacement. The engine has full electronic controls and charge air cooling. It is rated to deliver 635 HP at 2100 rpm.