3S7: Online Condition Monitoring utilising Acoustic Emission on a very slow speed application

Mark Ciechanowicz , Industrial Services Manager, Schaeffler Australia Pty Ltd


  • Melbourne Star is a large observation wheel that rotates @ 0.029 RPM.
  • Schaeffler have installed Acoustic Emission [AE] technology on the hub bearings to continuously monitor condition.
  • This data is remotely analysed by Schaeffler Engineer’s via the internet.
  • Routine grease samples are collected and analysed and the results are correlated with the AE data.


Mark has an Electrical Engineering background, with 20+ years in the field of reliability covering disciplines ranging from vibration analysis, infra-red thermography, electric motor testing through to tribology. He has worked in various industrial sectors including aluminium, chemical, paper, steel, sugar, waste water and treatment plants, renewable energy and mining.
Currently he is working for Schaeffler Australia as the Industrial Services Manager looking after offline and online condition-monitoring systems and maintenance products.