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Renold Clutches and Couplings has designed and manufactured a huge single-engagement gear coupling, weighing in at 4.5 tonnes, in just 12 weeks for a cement works in Qatar.

The design of the Gearflex coupling had to be modified so that it would fit perfectly between the gearbox and motor, to drive the plant’s roller mill where the carefully controlled ingredients in the cement are ground to a fine powder.

Engineers at Renold worked closely with a gear manufacturer in the Czech Republic, which supplied the drive system, and had to work to a tight deadline when the original delivery schedule was slashed to 12 weeks from over 24, to fit in with a critical deadline set by the company building the plant.

Renold’s heavy-duty, all-metal Gearflex couplings provide maximum power capacity within the space envelope available, and offer high misalignment capacity.

The range includes double- and single-engagement types, with crowned and barrelled teeth for optimum contact and long life.

Renold Clutches and Couplings

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