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Development of an Interferometric Technique to be Used in Measuring Micron Level Clearances Filled With a Lubricant

[+] Author Affiliations
Murat Yıldırım, Zafer Dursunkaya, Tuba Okutucu

Middle East Technical University, Ankara, Turkey

Paper No. IJTC2009-15094, pp. 151-153; 3 pages
doi:10.1115/IJTC2009-15094
From:
  • ASME/STLE 2009 International Joint Tribology Conference
  • ASME/STLE 2009 International Joint Tribology Conference
  • Memphis, Tennessee, USA, October 19–21, 2009
  • Conference Sponsors: Tribology Division
  • ISBN: 978-0-7918-4895-1 | eISBN: 978-0-7918-3862-4
  • Copyright © 2009 by ASME

abstract

The aim of this study is to develop an interferometric technique to measure micron level clearances occurring in small piston-cylinder arrangements; such as hermetically sealed compressors. A Cartesian model of the piston cylinder arrangement is manufactured and lateral and vertical motions are generated via a step motor, and micrometers, respectively, to simulate the piston motion and the change of clearance during the motion. Experiments are conducted in air and a lubricant. Measurements show the important effect of surface waviness of the mirror and the effect of the motion of the carriage at micron level measurements.

Copyright © 2009 by ASME

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