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  • Summary & Details

Development of CAE Methodology to Estimate Compression Force - Displacement Characteristics for Soft Urethane Foams by Means of Void Distribution Functions

気泡分布関数を用いた軟質ウレタンフォームの圧縮荷重-変位特性に対する解析予測技術の開発

Detailed Information

Category(J)論文

Translation

Category(E)Paper
Author(J)1) 井上 実, 2) 鈴木 桂輔, 3) 伊東 博之
Author(E)1) Minoru Inoue, 2) Keisuke Suzuki, 3) Hiroyuki Ito
Affiliation(J)1) マツダ株式会社,香川大学,広島大学デジタルものづくり教育研究センター, 2) 香川大学, 3) 株式会社東洋シート
Abstract(J)シートに適用される軟質ウレタンフォームの機械特性(圧縮荷重-変位特性)は,乗心地性能に多大な影響を持つが,樹脂材や発泡剤,成型条件などの結果として決まり設計できていなかった.近年の計測と画像処理技術の発達によりフォームの気泡関数が得られるようになり,この関数を用いて機械特性を予測する手法を構築した.

Translation

Abstract(E)Mechanical properties (compression force – displacement characteristics) of the soft urethane foams used for seats have a great impact on vehicle ride comfort performance. However mechanical properties are resultantly determined by the base plastic material, chemical blowing agents and molding conditions and so controlling and designing mechanical properties in advance are difficult. Because of the recent developments of measurement and image processing techniques, void distribution function of the urethane foam can be obtained and methodology to evaluate the mechanical properties using void distribution functions are established and applied to the urethane parameter studies.

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