대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제32권1호
  • /
  • Pages.91-98
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  • 2008
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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X 리프트 스핀들의 파괴해석

Fracture Analysis of a Spindle in the X-Lift

  • 주석재 (울산대학교 기계자동차공학부)
  • 발행 : 2008.01.01
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초록

One of the two spindles in the X-lift fractured suddenly during normal operation. The fracture occurred at the notch where the bending moment might be the maximum. Macrofractographic features associated with rotating-bending fatigue are evident on the fracture surface. The 3-D finite element analysis of the X-lift reveals that the spindle rotated under bending. The measured surface strain of the spindle varies cyclically as the spindle rotates. It supports that the spindle rotated under bending. The X-lift is not perfectly symmetrical with respect to both the horizontal and the vertical plane. The slightly unsymmetrical deformation can cause the bending of the spindle.

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참고문헌

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