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The Influence of Centrifugal Force on the Interference Fit of High-Speed Electric Spindle

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Document pages: 8 pages

Abstract: The letter presents an analysis of interference fit of the electricspindle at different rotor speeds due to the influence of centrifugal force andprovides atheoretical formula showing the relationship of the speed, stress on therotation speed. The letter also established a finite element model of theinterference fit. The study found that as the rotation speed increases, theinterference and contact stress between the spindle and the rotor graduallydecrease, and the reduced speed is proportional to the square of the rotationspeed.

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