Thermal Characteristic Analysis Of A High-Precision Centerless Grinding Machine For Machining Ferrules
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING(2007)
摘要
The outer diameter finishing grinding process required for ferrules, which are widely used as fiber optic connectors, is carried out by high-precision centerless grinding machines. In this study the thermal characteristics of such a machine, for example, the temperature distribution, temperature rise, and thermal deformation, were estimated based on a virtual prototype and the heat generation rates of heat sources related to normal operating conditions. The prototype consisted of a concrete-filled bed, hydrostatic grinding wheel (GW) and regulating wheel (RW) spindle systems, a hydrostatic RW feed mechanism, a R W swivel mechanism, and on-machine GW and RW dressers. The reliability of the predicted results was demonstrated using temperature characteristics measured from a physical prototype. The predicted and measured results indicated that this particular high-precision centerless grinding machine had very stable thermal characteristics.
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关键词
high-precision centerless grinding machine, thermal characteristic analysis, grinding wheel, regulating wheel, hydrostatic bearing, ferrule
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