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Proposal of New Bearing Simulation Rig Tester for High Efficiency Engine Bearing Development

Article of Honda R&D Technical Review Vol.18 No.2

Summary

To select bearing specifications for an engine using a bearing rig test, it is necessary to achieve sliding conditions that are near the actual operating conditions of the engine. A new bearing rig tester with low resonance and high rigidity permits high frequency excitation and has a mechanism to correct misalignment between the axle and the bearing. This rig tester can reproduce load fluctuations under the actual operating conditions of the engine. The test equipment makes it possible to clarify for the first time the mechanism that causes the difference in the break-in performance of lead alloy and aluminum alloy bearings. It was possible to evaluate the small end bearing fitted on an actual connecting rod, and the sliding characteristics caused by different surface treatment methods for the small end bearings. In addition, it was possible to measure the friction coefficient of the bearings with high repeatability, and efficiently evaluate the bearing material.

Reference

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Author (organization or company)

Kyoichi MACHIDA(Automobile R&D Center)、Shinichi TAKAHASHI(Automobile R&D Center)、Hideo UESHIMA(Automobile R&D Center)、Kenji FUJIKI (Automobile R&D Center)

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