Monitoring a Bearing Damage in a Gearbox Using On-line Systems and HD Technology

Tim Sundstrom, Manager of Strategic Sales & Application, SPM Instrument AB


In this presentation we will introduce the concept of HD Technology and how it has been used to detect a bearing damage in a slow rotating bearing in a gearbox. The presentation will describe the spall process in a bearing and suitable techniques for early damage detection. It will also cover choice of transducer type for low RPM bearing damage detection. The case story contains a number of measuring challenges:
-Low RPM (52 RPM)
-Limited measuring time window (triggered measurements)
-Planned maintenance stops only once a year
-Several signal sources


Tim Sundström, born 1964 in Sweden, has a M.Sc. degree in Applied Physics and Electrical Engineering from Linköping University, Sweden. For over twenty years, he has been specializing in electronics development and has held managerial positions in the field since 1992. In 2001, he joined SPM Instrument as head of Research and Development, where he has been deeply involved in SPM HD development and field evaluations.