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김기광(Gi-Gwang Kim),김덕회(Duck-Hoi Kim),김재훈(Jae-Hoon Kim),이영신(Young-Shin Lee) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
The most common mode of the gear failure is tooth breakage, which is usually produced by the bending fatigue failure. It is important to manufacture the gears which can withstand the applied stresses in view of safety and economic requirement. In this study, fatigue test and analysis are performed to evaluate the bending fatigue strength of automotive bevel gear. Test fixtures of double tooth concept are considered to obtain the reliable fatigue test results. Fatigue life of automotive bevel gear is evaluated by Weibull analysis. To compare the test results and to verify the fatigue analysis procedures, fatigue analyses are carried out. Fatigue analysis results show that fatigue life and crack initiation site are agreed with test results. The random loading of bevel gear under the real driving conditions is defined here, and then the fatigue analysis under random loading is also performed.
김덕회(Duck-Hoi Kim),김기광(Gi-Gwang Kim),김재훈(Jae-Hoon Kim),안병욱(Byoung-Wook Ahn) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
To evaluate the bending fatigue strength of automotive bevel gear, fatigue test and analysis are performed. Test fixture of double tooth concept is considered to obtain the results of the reliable fatigue test. Fatigue life of automotive bevel gear is evaluated by Weibull analysis. To compare the test results and to verify the fatigue analysis procedures, fatigue analyses are carried out. Structural and fatigue analyses are performed using ABAQUS and FE-Safe codes, respectively. Fatigue analysis results show that fatigue life and crack initiation site are coincided with test results and then fatigue analysis procedures are verified. And, fatigue analysis for random loading is performed.