Renold Couplings Ensure Mine Trucks Keep Mining

Renold Couplings Ensure Mine Trucks Keep Mining

When a large Construction & Mining company were plagued by the constant failure of the couplings on their Underground Mine Trucks, they turned to Renold Hi-Tec Couplings, of Halifax, England, to provide a long term solution.

For many years the company were fitting V type rubber-in-shear couplings between the engine and the gearbox. However, when the coupling failed, the truck was coming to a complete stop, often blocking an important access point. Renold recommended the HTB 4500, rubber-in-compression coupling.

Its intrinsically fail safe, maintenance free and severe shock load protection properties, coupled with its high temperature capability of up to 200 deg. C made it the ideal choice. A rubber-in-compression coupling was also favoured by the company as they can drive metal to metal to move the truck out of the way and continue mining if the rubber blocks disintegrate. This was illustrated when a problem with the oil circulation in the gearbox resulted in the gearbox overheating and destroying the rubber blocks in the coupling, however the truck could still be moved.
Further orders will be fulfilled in 2011.

Renold Hi-Tec Couplings
112 Parkinson Lane
West Yorkshire

T: + 44 (0) 1422 255000
F: + 44 (0) 1422 320273

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