3135 プラスチック歯車の高温環境下における高容量耐久試験 : 耐久性能に及ぼす歯車材料及び構造の影響(S34-3 伝動装置の基礎と応用(3) 歯車の摩耗・摩擦・潤滑,プラスチック歯車,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

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The present paper describes effect of gear materials and structures on endurance of plastic gears. Endurance tests were performed using mono or composite structure, flanged or non-flanged, and fiber reinforced or non-reinforced gears under large applied torque and high rotation speed. As a result, gears with composite structure gears showed longer service life than ones with mono structure. From the observation of tooth flank, it was confirmed that the tooth flank of flanged gear melted harder than that of non-flanged gear. The service life of flanged and fiber reinforced gears was longer than that of non-flanged and non-fiber reinforced gears under small applied torque up to 15 Nm. At the same time, the service life of non-flanged and non-fiber reinforced gears was longer than flanged and fiber reinforced gears under large applied torque over 15 Nm.
2008-08-02