Mining & Aggregate
On geared ball and SAG mills with large inertia loads, multi-plate clutches are often utilized to provide smooth torque ramp-up to the mill’s pinion gear speed while keeping the power spike down on the motor current draw as the mill starts to rotate.
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Equipment used in the mining industries is subject to extreme mechanical stresses: it has to operate in challenging climatic environments, yet has to work reliably with an operational lifespan frequently measured in decades. In many cases, the easy-to-reach resources have already been extracted, meaning today’s equipment is increasingly sophisticated and having to work even harder to reach what is left.
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A replacement clutch was needed for use on an older belt-driven crusher at a U.S. mine. The clutch is mounted directly to a 42" diameter, five-belt sheave positioned on the main crushing roller shaft.
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A major mining OEM required rugged fluid couplings for use on a series of mine sizers. The top-fed machines utilize twin toothed rollers that crush stone to a predetermined aggregate size for construction customers.
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A leading mine conveyor OEM needed heavy-duty brakes for use on a group of conveyor packages at a cement plant in Columbia, South America. The series of three conveyors transport limestone within the facility’s quarry and processing areas.
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