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        검색결과 3

        1.
        2019.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The objective of this numerical study is to investigate the effect of shaft part’s diameter on the load distribution, under-fill, and metal-flow line characteristics in tubular & solid shaft yoke of Al-IMS. The outer diameter of tubular shaft yoke was changed from 30mm to 35mm, and the shaft diameter of solid shaft yoke was varied from 20mm to 25mm. In this results, the required load for production was linearly increased with increasing the tubular shaft yoke outer diameter. In the solid shaft yoke, the loads for the shaft part extending process were almost constant by 10,000kg, however, the loads for generating the yoke process, which were needed a lot of strain, were increased by 4,000kg with increasing the diameter of shaft part. The under-fill regions according to diameter of the shaft part were not observed in both products, and the metal-flow lines were also straight without folding phenomena.
        4,000원
        2.
        2018.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The objective of this study is to investigate the effect of torque variation on stress distributions in A-IMS module with both side tubular shaft yoke by numerically. In order to achieve this, the torque value was increased from 10Nm to 40Nm, and the results of this work were confirmed in terms of Von-mises Stress and the displacement characteristics. As the torque in module assembly was increased, the stress in tubular shaft york and splined shaft york was increased linearly. The indentation due to the steel ball was occurred in over 40N·m torque which is over the yield strength condition. The largest displacement occurred in the tubular shaft yoke 1, however, it does not exceed the yield strength and is supposed to be restored due to the elasticity. Therefore, it was concluded that there is no problem for the manufacturing of A-IMS with both side tubular shaft yoke.
        4,000원
        3.
        2018.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The objective of this study is to find the optimal size of splined shaft in IMS module. Two methods were used in this study. One is for the investigation of effect of indentation process on the tubular shaft yoke, and another is for the investigation of effect of indentation process on splined shaft. The spline outer size of splined shaft was increased from 0.00mm to 0.20mm. The simulation results were analyzed and compared in terms of under-fill, metal flow, effective strain, Von-mises stress and load characteristics. The indentation load was increased with increasing of spline size. However, in case of 0.15mm outer diameter increasing, the separation load was decreased. The case of 0.10mm diameter increasing was the best spline size based on the low indentation load and high separation load.
        4,000원