静圧ジャーナル軸受の剛性 : 第1報, 静的剛性について

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タイトル別名
  • Stiffness of Externally Pressurized Journal Bearing : Part 1, On the Static Stiffness
  • セイアツ ジャーナル ジクウケ ノ ゴウセイ 1

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The use of the sliding bearing has been steadily decreasing since the development of commertial rolling contact bearing. But if it were possible to produce an externally pressurized bearing which possesses very high stiffness, then this bearing would have the following desirable characteristics : (1) low frictional torque, (2) very high stiffness, (3) load supportability when not rotating, and (4) smooth operation. Mayer has investigated to produce such a bearing. So we have experimentally researched on the inprovement of static stiffness after his investigation, and the results obtained are as follows ; The stiffness obtained from experimental research is qualitatively similar to, but pretty smaller than that obtained from Mayer's theory this theory. When we use the spool valve as the variable external restriction, the bearing stiffness is much greater than that with the fixed external orifice restriction.

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