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Title: Nanometer Accurate Orbit model for Analysing the Error Motion of a Porous Aerostatic Bearing
Authors: Cappa, Steven
Reynaerts, Dominiek
Al-Bender, Farid
Issue Date: 27-May-2013
Publisher: Euspen
Host Document: Proceedings of the 13th euspen International Conference vol:2 pages:302-305
Conference: 13th International Conferen edition:13 location:Berlin, Germany date:27 - 31 May 2013
Abstract: In this work, a nanometer accurate 2D-orbit model is developed for analysing the influence of the minutest details affecting the radial error motion of a porous aerostatic journal bearing. This allows us to increase the running accuracy of an axis of rotation system, such as an aerostatic spindle or rotary table, to the sub-nanometer level. The orbit model is validated experimentally by measuring the radial error motion of a porous aerostatic rotary table with the use of a special measurement technique. The difference between the outcome of the orbit model and radial error motion of the rotary table under test is only 6 nm.
ISBN: 978-0-9566790-2-4
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section

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