Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/31402
Title: | Dynamic characteristics of an aerostatic bearing spindle and its influence on surface topography in ultra-precision diamond turning | Authors: | Zhang, SJ To, S Cheung, CF Wang, HT |
Keywords: | Cutting force PSD Spindle vibration Surface topography Ultra-precision diamond turning |
Issue Date: | 2012 | Publisher: | Elsevier | Source: | International journal of machine tools and manufacture, 2012, v. 62, p. 1-12 How to cite? | Journal: | International journal of machine tools and manufacture | Abstract: | In ultra-precision diamond turning (UPDT), aerostatic bearing spindle vibration plays the major part in many factors that influence surface topographies. In this paper, a five-degree-of-freedom dynamic model for an aerostatic bearing spindle is built up to describe its dynamic responses, involving translational motions and tilting motions, and to analyze the effects on surface topography of the spindle vibration under different cutting processes in UPDT. It was found that the spindle processes at the axial natural frequency along the axial direction, the radial natural frequency along the radial directions and the twin tilting natural frequencies around the radial directions, and when cutting develops from outside to the center of the machined surface, the dominant effects of the spindle's tilting motions on surface topography gradually disappear and the axial translational motion produces a great influence on surface topography. This was identified by the experimental results. | URI: | http://hdl.handle.net/10397/31402 | ISSN: | 0890-6955 | EISSN: | 0890-6955 | DOI: | 10.1016/j.ijmachtools.2012.04.007 |
Appears in Collections: | Journal/Magazine Article |
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