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Summary & Details

Loosening Progression of Wheel Nuts at Zero Axial Force

軸力0Nにおけるホイールナットの緩み進展挙動

Delivery: Available on this site

Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20266248

Paper/Info type: Proceedings (Autumn)

No.143-26

Pages: 1-2(Total 2 p)

Date of publication: Oct 2026

Publisher: JSAE

Language: Japanese

Event: 2026 JSAE Annual Congress (Autumn)

Detailed Information

Author(J)	1) 河野隆修, 2) 岡本絢子, 3) 木村優介, 4) 辻隆弘, 5) 木村陽介, 6) 鈴木萌
Author(E)	1) Takanobu Kawano, 2) Ayako Okamoto, 3) Yusuke Kimura, 4) Takahiro Tsuji, 5) Yosuke Kimura, 6) Moe Suzuki
Affiliation(J)	1) SOKEN, 2) SOKEN, 3) SOKEN, 4) トヨタ自動車, 5) トヨタ自動車, 6) SOKEN
Affiliation(E)	1) SOKEN, 2) SOKEN, 3) SOKEN, 4) Toyota Motor, 5) Toyota Motor, 6) SOKEN
Abstract(J)	タイヤ脱落事故防止に向けて，締結軸力消失後の緩みの進展は未解明である．本研究ではタイヤ試験機を用い，軸力0N後のナット挙動を計測した．荷重を受けないナットがタイヤ回転に伴いホイール穴と接触・離脱を繰り返すことで，ナットに回転の力が作用することが，緩み進展の一因となる可能性を示した． Translation
Abstract(E)	The progression of loosening after the loss of clamping force in wheel fastening systems remains unclear, despite its importance for preventing tire detachment accidents. In this study, a tire test rig was used to measure the behavior of a nut under zero axial force conditions. The results indicate that an unloaded nut repeatedly contacts and separates from the wheel hole during tire rotation, thereby generating a force acting in the rotational direction of the nut, which may contribute to the progression of loosening.

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