Retrofitting predictive maintenance solution to gearboxes

06 April 2020

When a gearbox on a critical application fails there will always be a scramble to get it up and running again. Even when a spare is available, production will inevitably be lost. It is, however, now possible to retrofit a predictive maintenance solution.

Heavy-duty industrial gearboxes can have life spans of 20 years or more, so it could be a long wait for the opportunity to specify a new ‘smart’ gearbox. 

Renold Gears is now offering an interim solution with its Oil Quality Sensor (OQSx) that can be retrofitted onto existing gear units to add smart capabilities to an old gearbox.

The OQSx can be installed on any application and has been engineered for maintenance-free operation. It provides real time monitoring either as stand-alone technology or can be connected to control and display systems such as PLCs, or smart mobile devices. It is certified to more than 15ppm sensitivity, detecting all wear and contamination elements, second-by-second in all oil types.

As about 75% of all gearbox failures are the result of oil contamination, the OQSx has been designed to reduce maintenance, cut downtime, and the overall cost of ownership. It increases reliability and performance by monitoring the condition of the oil continuously, and reporting early signs of problems, allowing immediate action to be taken.

It helps optimise service intervals by predicting when maintenance will be needed, without affecting equipment performance or reliability.


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