2014
The maintenance team at a coal mine in South Yorkshire, England needed to replace the grid coupling on the friction winder at their facility. The winder is used to raise and lower conveyances within the mine shaft. The grid coupling connects the motor shaft to the winder cable drum located in the headframe at the top of winder tower.
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A global conveyor supplier required torque overload protection on screw conveyors used at a power plant in Indonesia. The conveyors move waste material, provided by local suppliers, to and from the facility’s furnaces. The unmonitored material being transferred often contains large pieces of steel and concrete that could cause jams and possibly damage the conveyor’s screw element.
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Drives and motors are used to power an array of equipment in mining operations, from conveyors, and crushing/grinding equipment to flotation cells and pumps. The major challenges associated with powering mining equipment is the increased scale of operations and the accompanying requirement for increased power, whilst maintaining reliability. There are a range of companies that provide drives and motors for the mining industry, some of which are mining specific whilst others cover a range of industries.
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The grid coupling on a large water pump at Sheffield Forgemasters Engineering Ltd. (S.F.E.L.) was coming to the end of its operational life and needed to be replaced to prevent a breakdown. To avoid costly and time-consuming re-engineering of the pump, S.F.E.L. wanted to commission a custom coupling to match the original’s footprint and performance envelope.
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