偏肉円管内面の磁性流体研磨の研究

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  • Magnetic Fluid Grinding for Innersurface of Pipe of Which Cross-sectional Shape is Hexagonal Circle.
  • ヘンニクエン カンナイメン ノ ジセイ リュウタイ ケンマ ノ ケンキュウ

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説明

In magetic fluid grinding for innersurface of pipe of which cross-sectional shape was hexagonal circle, a ratio of ground area to whole innersurface area of pipe and distribution of ground depth were studied experimentally and theoretically. Whole innersurface of pipe was ground under revolution speed of 125 rpm. But, over its speed, ground area decreased with the increase of revolution speed. The distribution of ground depth in innersurface of pipe wad changed by the change of revolution speed. Such both properties were explained by the change of grinding load which was the sum of magnetic buoyant force Fm of a float, a force Fs due to squeeze effect and a force Fd due to viscous damping effect. Therefore, if optimum grinding load was designed, the whole innersurface of pipe of which cross-sectional shape was hexagonal circle is ground sufficiently.

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