Engineering & Mining Journal

JUN 2013

Engineering and Mining Journal - Whether the market is copper, gold, nickel, iron ore, lead/zinc, PGM, diamonds or other commodities, E&MJ takes the lead in projecting trends, following development and reporting on the most efficient operating pr

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E Q U I P M E N T G A L L E RY Air Winches are Compact, Powerful and Easy to Transport Peristaltic Pump Solves Tough Application Problems Ingersoll Rand has introduced a new line of Infinity Series customized mining air winches. The new FA2i Infinity Series air winch has a rated capacity of 4,400 lb (2,000 kg) with a 4,400-lb top layer-rated line pull. A 9.4-hp (7-kW) radial piston motor provides positive starting torque and precise spotting control. Ingersoll Rand designed the Infinity Series winches to be compact, with longer side rails and rounded bars welded to both ends—increasing the stability of the winch and making it easier for users to transport it. Protective cages surround the motor and control system and heavy duty, abrasionresistant pendant hoses are also protected by a sheath and designed with quick release/ replace disconnects. Another new feature is an oil sight gauge on the motor, which provides quick-check oil-level readings. ily disassembled for transportation overland or by helicopter. According to the company, the Mancore 600TA is the lightest rig in its class, with the heaviest module weighing just 408 kg (900 lb) once assembled. The drill's design also allows for assembly of motors and tanks in a space of only 6 m (20 ft) in diameter, on level or uneven terrain. Verderflex's Dura 45 peristaltic pump solves a number of pumping problems for medium flow applications up to 12m3/h, according to the company. These could include dry-running liquid streams, shearsensitive polymers, high-viscosity sludge and pastes, variable-speed dosing, abrasive solids in suspension and off-gassing fluids. According to the company, the Verderflex Dura 45 delivers 25% more flow per revolution than equivalent models, requiring 300 less revolutions to pump 2,000 liters and outperforming its competition at pressures up to 16 bar. Notable features include an innovative quarter-turn-to-lock system for fast hose changes, and solid cast stainless steel flanges. Normally supplied in 316-grade stainless steel, its patent-pending flange design has integral PP and PVDF inserts for aggressive chemical-duty options. The Verderflex Dura 45 also offers stalled rotor protection, eliminating potential rotor, rotor shoe or gearbox damage when the pumped liquid settles out or a line chokes, Helicopter-portable Exploration Drill Rig Marcotte Machining's new Mancore 600TA is a demountable, heli-portable exploration drill rig specifically designed for operations in hard-to-reach or difficult areas. The new rig joins Marcotte's existing product line, which includes the model STM1500 for underground drilling and HTM2500 for surface drilling. The Mancore 600TA is a modified version of the base model Mancore 600, incorporating a track system for maneuverability in all types of terrain. Like the 600, the 600TA is a modular rig that can be eas160 E&MJ • JUNE 2013

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