Study on Spherical Foil Bearing : 3rd Report, Analysis for Large Bearing Penetration

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概要

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• A three dimensional numerical analysis method is used to clarify the air-lubrication phenomena of spherical foil bearings in rotary head recording devices. This method is extended for calculating large bearing penetrations encountered under actual operating conditions. Two procedures are proposed for improving poor convergence in numerical calculation. One uses linear extra-polation from solutions for smaller penetrations to obtain initial values close to the solution for larger penetrations. The other stabilizes the calculation by optimizing the relaxation factor between 0.02 and 0.05. This procedure is used to solve problems involving spherical bearing scans with large penetrations on plane and cylindrical foils. The effects of bearing penetration and foil stiffness on the air-lubrication characteristics are presented and discussed.

• 一般社団法人日本機械学会の論文

著者

• Ono Kyosuke

  Musashino Electrical Communication Laboratory Ntt

• Ono Kyosuke

  Musashino Electrical Communication Laboratory N.t.t.

• MIZUKAWA Makoto

  Musashino Electrical Communication Laboratory, NTT

• Mizukawa Makoto

  Musashino Electrical Communication Laboratory Ntt

関連論文

• Narrow Bearing Approximate Solutions for Air-lubricated Slider Bearings in Sub-micron Spacing
• Dynamic Characteristics of Air-lubricated Slider Bearings under Submicron Spacing Conditions
• Study on Spherical Foil Bearing : 1st Report, Analysis for Perfectry Flexible Foil
• Magnetic Tape Deformation under a Concentrated Load
• Study on Spherical Foil Bearing : 2nd report Analysis including foil bending stiffness and its experimental verification
• Study on Spherical Foil Bearing : 3rd Report, Analysis for Large Bearing Penetration
• Study on Spherical Foil Bearing : 4th Report, Comparison between Experiment and Analysis for Large Bearing Penetration

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