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Thermal Characteristics Analysis of a High-Speed Motor-Separated Spindle System Using Oil-Jet Lubrication Method  

김석일 (한국항공대학교 항공우주 및 기계공학부)
김기태 (화천기공(주) 기술연구소)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.13, no.1, 2004 , pp. 69-75 More about this Journal
Abstract
This paper presents the thermal characteristics analysis of a high-speed motor-separated spindle system consisted of angular contact ball bearings and built-in motor with oil-jet lubrication. The spindle system is composed of the main spindle and sub-spindle which are mechanically connected by a flexible coupling. The spindles are supported by two front and rear bearings, and the built-in motor is located between the front and rear bearings of the sub-spindle. The thermal analysis model of spindle system is constructed by the finite element method, and the thermal characteristics in the design stage are estimated based on temperature distribution and heat flow under the various testing conditions related to material of bearing ball, spindle speed and coolant temperature.
Keywords
High-Speed Spindle System; Motor-Separated Spindle System; Oil-Jet Lubrication; Horizontal Machining Center; Thermal Characteristics;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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