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2020 / 2021 Edition

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Re-lubricating bearings with high accuracy

TLGU 10

New TLGU 10 ultrasound lubrication checker from SKF eliminates over- and under-lubrication

SKF have introduced a new ultrasonic device that fits to a grease gun and ‘listens’ to the sound of grease filling a bearing, making the re-lubrication process more accurate and effective. By overcoming problems associated with over- or under-lubrication, the TLGU 10 ultrasound lubrication checker can help extend bearing lifetime.

Re-lubrication is critical in prolonging the life of bearings and must be applied at the right time and in the right quantity. However, this often relies on a technician’s experience, machine manufacturer’s recommendations or theoretical calculations.

‘The TLGU 10 makes re-lubrication a more practical, condition-based process, by delivering the correct amount of lubricant to a bearing at the right time,’ said Sylvain Humbert, product development manager - Instruments at SKF.

While under-lubrication can cause premature failure or allow contaminants into the bearing, over-lubrication is wasteful and expensive and can cause grease spills. Both over- and under-lubrication can reduce bearing lifetime, but this can be overcome with the TLGU 10.

The device is easy to use and is supplied as an all-in-one kit. It relies on a robust, repeatable ultrasound sensor that can withstand harsh conditions. Once connected to a grease gun, the TLGU 10 allows a technician to listen to the sound of lubricant filling the bearing, via headphones.

When the correct amount of grease has been dispensed, the sound changes abruptly and a coloured display confirms that filling is complete. This combination of aural and visual displays, both delivered in real time, helps technicians to re-lubricate bearings with high accuracy.

The TLGU 10 saves costs by preventing the use of excess grease and ensuring optimum bearing performance, which reduces the likelihood of bearing wear and failure and helps to raise the reliability of the customer’s assets.

The device can be used in a wide range of bearing applications including electric motors, pumps, fans, compressors and conveyors.

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