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최은오,김희송 한국공작기계학회 1997 한국생산제조학회지 Vol.6 No.2
The noiseㆍvibration characteristics of Hypoid gears which were made from three separate materials(SCM, TSCM, SNCM) under the identical process were investigated for the sake of durability improvement of differential gear compatible with low level noise gear set. For this study, we developed a rig experimental equipment which can perform close noiseㆍvibration experiment of differential gear. Consequently, we could analyze the noiseㆍvibration charateristics of final reduction gear by materials, and also we observed changes in both metallic structure and hardness according to the materials of pinion gear. In addition to this, the correlation between the vibration of the differential gear and the interior noise of the passenger vehicles was proved by analyzing the results of rig vibration experiment and field noise test.