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Thermal Characteristic Analysis of a High-Precision Centerless Grinding Machine for Machining Ferrules  

Kim, Seo-Kil (한국항공대학교 항공우주 및 기계공학부)
Cho, Jae-Wan (한국항공대학교 항공우주 및 기계공학부)
Publication Information
Journal of the Korean Society for Precision Engineering / v.23, no.1, 2006 , pp. 193-200 More about this Journal
Abstract
To perform the finish grinding process of ferrules which are widely used as fiber optic connectors, a high-precision centerless grinding machine is necessary. The high-precision centerless grinding machine is consisted of the hydrostatic GW and RW spindle systems, hydrostatic RW feeding mechanism, RW swivel mechanism, on-machine GW and RW dressers, and concrete-filled steel bed. In this study, the thermal characteristics of the high-precision centerless grinding machine such as the temperature distribution, temperature rise and thermal deformation, are estimated based on the virtual prototype of the grinding machine and the heat generation rates of heat sources related to the machine operation conditions. The reliability of the predicted results is demonstrated by the temperature characteristics measured from the physical prototype. Especially, the predicted and measured results show the fact that the high-precision centerless grinding machine has very stable thermal characteristics.
Keywords
High-precision centerless grinding machine; Grinding wheel; Regulating wheel; Hydrostatic bearing; Thermal characteristic analysis; Thermal imaging camera; Thermo-couples; Ferrule;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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