• 제목/요약/키워드: horizontal machining center

검색결과 31건 처리시간 0.014초

리니어모터와 자기베어링을 채용한 초고속 HMC의 열특성 해석 (Thermal Characteristic Analysis of a High-Speed HMC with Linear Motor and Magnetic Bearing)

  • 김석일;이원재
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2002년도 추계학술대회 논문집
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    • pp.11-15
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    • 2002
  • This paper presents the thermal characteristic analysis of a high-speed HMC with spindle speed of 50,000rpm. The spindle is supported by two radial and axial magnetic bearings. and the built-in motor is located between the axial and rear radial magnetic bearings. The X-axis and Y-axis feeding systems are composed of linear motor and linear motion guides, and the Z-axis feeding system is composed of servo-motor, ballscrew and linear motion guide. The thermal analysis model of high-speed HMC is constructed by the finite element method, and the thermal characteristics in the design stage are estimated based on the temperature distribution and thermal deformation under the conditions related to the heat generation of built-in motor, magnetic bearings, linear motors, servo-motor, ballscrew, and so on.

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