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  • Summary & Details

Effect of Panel Curvature and Thickness on Outer Panel Sink Mark by Mastic Adhesive

マスチック接着剤による外板パネル歪におよぼすパネル曲率,板厚の影響

Detailed Information

Author(J)1) 岩間 隆史, 2) 佐藤 健太郎, 3) 大西 洋一郎, 4) 塩崎 毅, 5) 宇野木 啓吾, 6) 通山 大樹, 7) 渡部 貴史, 8) 松永 賢一
Author(E)1) Takashi Iwama, 2) Kentaro Sato, 3) Yoichiro Ohnishi, 4) Tsuyoshi Shiozaki, 5) Keigo Unoki, 6) Hiroki Toriyama, 7) Takafumi Watanabe, 8) Kenichi Matsunaga
Affiliation(J)1) JFEスチール, 2) JFEスチール, 3) JFEスチール, 4) JFEスチール, 5) トヨタ自動車九州, 6) トヨタ自動車九州, 7) トヨタ自動車九州, 8) トヨタ自動車九州
Affiliation(E)1) JFE Steel, 2) JFE Steel, 3) JFE Steel, 4) JFE Steel, 5) Toyota Motor Kyushu, 6) Toyota Motor Kyushu, 7) Toyota Motor Kyushu, 8) Toyota Motor Kyushu
Abstract(J)マスチックが塗装工程で硬化収縮する際,外板パネルの引込みによる歪が課題となる.歪に影響する因子としてパネル板厚は知られるが,意匠曲率の影響は解明されていない,
歪へおよぼす意匠曲率の影響をラボモデルによる実験およびCAEにより調査した.歪への影響度は,板厚より意匠曲率の方が大きいことが明らかになった.

Translation

Abstract(E)When the mastic hardens and shrinks during the painting process, sink mark caused by the retraction of the outer panel becomes an issue. Panel thickness is known to be a factor that affects sink mark, but the influence of design curvature has not been clarified.
The influence of design curvature on sink mark was investigated by experiments using a laboratory model and CAE. It became clear that the effect of design curvature on distortion was greater than that of panel thickness.

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