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February 26, 20260 citations

高強度球状黒鉛鋳鉄歯車の表面処理と歯車性能に及ぼす因子に関する研究

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実笹実 笹倉精野精彦 野崎晋前晋作 前田

Key Points

  • The research aims to investigate how surface treatments affect the durability and precision of high-strength spheroidal graphite cast iron gears.
  • Conducted experiments on H-FCD gear surface treatments, including gas nitriding.
  • Evaluated changes in gear precision and surface roughness due to treatments.
  • Assessed the effects of gyro barrel polishing in conjunction with surface modifications.
  • Surface treatment significantly improved surface durability.
  • Nitriding enhanced gear precision and reduced noise levels.
  • Combined treatments led to notable improvements in overall gear performance.

Abstract

高強度球状黒鉛鋳鉄（H-FCD）は、鋳放し歯車では粗材減衰性により従来歯車に比較し低騒音性能が顕著に認められるが、鉄道車両に適用する場合は、γ′ガス窒化等の表面処理により歯面を強化する必要がある。しかしながら表面処理を施すことにより歯車精度及び面粗度が変化し低騒音性能に影響することがある。本研究では、H-FCD歯車の窒化処理が粗材耐久性や歯車精度等に及ぼす影響、ジャイロバレル研磨を併用した表面改質による効果など、実験的な研究内容について述べる。

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Cite This Study

笹倉 et al. (2025) studied this question.

synapsesocial.com/papers/699fe35995ddcd3a253e7262https://doi.org/10.1299/jsmedmc.2025.147
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