- 영문명
- A Basic Study on Determination of the Variable Preload for High Speed and High Efficiency Machine Tool Spindle
- 발행기관
- 개인저작물
- 저자명
- 황영국(Young-Kug Hwang) 이춘만(Choon-Man Lee)
- 간행물 정보
- 『개인저작물 - 공학』null, 345~350쪽, 전체 6쪽
- 주제분류
- 공학 > 개인저작물
- 파일형태
- 발행일자
- 2009.10.null

국문 초록
영문 초록
Modern machine tool spindles simultaneously require high stiffness and fast rotation characteristics for high speed, highly efficient processing, as well as for a wide range of use rotation. In order to this, a variable preload technology is needed so that the bearing that can apply a greater preload to raise the stiffness of the spindle at the low speed range and a smaller preload at the high speed range to reduce heat generation, as opposed to greater stiffness, and to allow high speed rotation. This paper propose the algorithm for determining the variable preload. For determination of a variable preload, the bearing life, rigidity, and the gyroscopic slip were considered as the constraint conditions. The bearing life was calculated by simultaneously considering the spindle rotational speed and external load.
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3. 결론
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