NYK develops CBM method for engine bearings

Importer
ClassNK has certified a new condition based maintenance (CBM) method for main bearings, which uses lubricant oil outlet temperature sensor data.

The Diesel Engine Main Bearing Condition Monitoring System visualises bearing temperature data that can be obtained through sensors installed on the main bearings and ship operation data.

The method was researched by NYK and MTI, together with ClassNK and Japan Engine Corporation.

Following its implementation on Noshiro Maru, NYK will consider applying the CBM method to other NYK Group-owned vessels. The NYK Group is also aiming to apply CBM-based maintenance to equipment other than main engine main bearings.

In the future, the NYK Group aims to develop autonomous, next-generation CBMs in which artificial intelligence (AI) constantly monitors the status of engine plants throughout the fleet and determines the timing of maintenance by making use of information such as operating schedules.

Condition-based maintenance is less likely to impact operating schedules and generate unnecessary repair costs compared to periodic inspections that are undertaken regardless of the condition of the equipment.