Ball bearing measurement with white light interferometry

Joanna Schmit; Sen Han; Erik Novak

doi:10.1117/12.828113

17 June 2009 Ball bearing measurement with white light interferometry

Joanna Schmit, Sen Han, Erik Novak

Proceedings Volume 7389, Optical Measurement Systems for Industrial Inspection VI; 73890P (2009) https://doi.org/10.1117/12.828113
Event: SPIE Europe Optical Metrology, 2009, Munich, Germany

Abstract

Requirements on high-performance of ball bearings in terms of the loads they experience and their reliability are increasing as the automotive, aerospace, and power generation industries look to cut costs, reduce emissions, and improve efficiency. Most bearings are evaluated with a stylus profiler or with a bright field scopes or microscopes for form, roughness, and defect classification. Two-dimensional stylus measurements captures only very localized surface profiles unless multiple scans are performed which slow the measurement time unacceptably; this leads to inadequate sampling and sometimes greatly varying results based on location and directionality of the line scan. Bright field microscopes deliver only the lateral information about defects but not their depth, volume or surface roughness. White light interferometry can be very successfully utilized in the measurement of full field form, roughness and defect detection and is gaining adoption. They provide rapid, accurate, three-dimensional imaging compatible with the newly developed ISO 3D surface parameters which are expected to rapidly displace traditional 2D metrics. These surface parameters allow for better characterization of surface structure and better understanding of the production process and bearing and race wear. New 3D filtering techniques allow effective separation of form, waviness, and roughness for highly accurate and repeatable bearing qualification.

Citation Download Citation

Joanna Schmit, Sen Han, and Erik Novak "Ball bearing measurement with white light interferometry", Proc. SPIE 7389, Optical Measurement Systems for Industrial Inspection VI, 73890P (17 June 2009); https://doi.org/10.1117/12.828113

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