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  • Summary & Details

A Study on the Effect of Piston Stiffness on Piston Pin Rotation in a Diesel Engine

4ストロークディーゼルエンジンにおけるピストン剛性とピン回転に関する研究

Detailed Information

Author(J)1) 関 健太郎, 2) 伊東 明美, 3) 坪田 頼昌, 4) 三輪 純一
Author(E)1) Kentaro Seki, 2) Akemi Ito, 3) Yorimasa Tsubota, 4) Junichi Miwa
Affiliation(J)1) 東京都市大学, 2) 東京都市大学, 3) いすゞ自動車, 4) いすゞ自動車
Affiliation(E)1) Tokyo City University, 2) Tokyo City University, 3) Isuzu Motors, 4) Isuzu Motors
Abstract(J)耐焼付性に優れる全浮動式ピストンピンの回転発生機序解明のため新たに開発した測定装置によりピンを回転させる力を測定した.ピンボス軸受周辺の剛性に着目し試験を行い,剛性が低いピストンでは回転力が小さく,軸受の変形による偏当りが回転を妨げる要因であることを示した.

Translation

Abstract(E)To elucidate the rotational generation mechanism of full- floating piston pins with superior anti-seizure properties, the torque for pin rotation was measured using a newly developed testing apparatus. The effect of the stiffness of the pin boss bearing of a piston was investigated. It wasfound that pistons exhibiting low structural stiffness generate insufficient rotational force. Furthermore, the tests demonstrated that uneven contact resulted from bearing deformation were key factors that significantly impede proper pin rotation.

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