한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)

  • 제30권8호
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  • Pages.854-863
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  • 2013
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  • 1225-9071(pISSN)
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  • 2287-8769(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
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베어링 배열방식이 고속 스핀들의 동특성에 미치는 영향

Effects of Bearing Arrangement on the Dynamic Characteristics of High-speed Spindle

  • Hong, Seong-Wook (Department of Mechatronics, Kumoh National Institute of Technology) ;
  • Choi, Chun-Seok (Department of Mechatronics, Kumoh National Institute of Technology) ;
  • Lee, Chan-Hong (Korea Institute of Machines and Materials)
  • 투고 : 2013.01.25
  • 심사 : 2013.03.16
  • 발행 : 2013.08.01
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초록

High-speed spindle systems typically employ angular contact ball bearings, which can resist both axial and radial loading, and exhibit high precision and durability. We investigated the effects of the arrangement of the angular contact ball bearings on the dynamics of high-speed spindle systems. The spindle dynamics were studied with a number of spindle-bearing models, and the location of the bearings was varied, along with the rotational speed and the preload. A finite element spindle model and a bearing model were used, and simulated data showed that the bearing arrangement significantly affected the spindle dynamics. Furthermore, the main effects were due to the cross coupling terms between the transverse and rotational motions of the ball bearings. The coupling stiffness terms were found to influence the spindle dynamics, depending on the mode shapes. An extensive discussion is provided on the effects of the bearing arrangement on the dynamics of the spindle.

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참고문헌

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피인용 문헌

  1. vol.17, pp.2, 2014, https://doi.org/10.5293/kfma.2014.17.2.073
  2. Dynamic Analysis of Spindle Supported by Multiple Bearings of Different Types vol.32, pp.2, 2015, https://doi.org/10.7736/KSPE.2015.32.2.117
  3. Fatigue Life Analysis for Angular Contact Ball Bearing with Angular Misalignment vol.33, pp.1, 2016, https://doi.org/10.7736/KSPE.2016.33.1.53