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Study of variable depth air pockets on air spindle vibrations in ultra-precision machine tools

  • M. AkhondzadehEmail author
  • M. Vahdati
ORIGINAL ARTICLE

Abstract

The low vibration of air spindle is a very important thing to achieve nanometer accuracies in the products of machined parts in nano-machining. Compared to the common air pockets with constant depth used in air cells of ultra-precision machines, this paper studied some special air pockets including five variable depth modes: flat, conical, pyramidical, spherical with two sphere radii. Considering rotational speed as well as these parameters, 18 experiments have been committed using a lathe machine. From experiment results, the air spindle with air pockets of pyramidical depth at a low rotational speed has minimum vibrations.

Keywords

Ultra-precision machining Air spindle Variable depth Air pocket Vibrations 

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Copyright information

© Springer-Verlag London 2014

Authors and Affiliations

  1. 1.Engineering DepartmentIslamic Azad UniversityKhuzestanIran
  2. 2.Mechanical Engineering DepartmentK. N. Toosi University of TechnologyTehranIran

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