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김완두,이순복 한국트라이볼로지학회 1989 한국윤활학회지(윤활학회지) Vol.5 No.2
For the life prediction and fatigue failure prevention of the constant velocity joint, the maximum equivalent stress and its location in depth from the contact area are essential. These values give the fundamental information to determine the depth of the surface hardening treatment at the contact area. Contact stresses are evaluated at the surface and subsurface of the ball groove of the Weiss type constant velocity joint. The maximum contact pressure and the maximum equivalent stress are obtained. The effects of various parameters such as the radius of ball groove, friction coefficient, and residual stress are studied. The maximum equivalent stress and the maximum contact pressure increase as the radius of the ball grove increases. The location of the maximum equivalent stress moves toward surface as the friction coefficient increases. It was also found that the maximum equivalent stress becomes minimum when the compressire residual stress is about 0.16 times of the maximum contact pressure.
김완두 대한기계학회 2004 기계저널 Vol.44 No.1
이 글에서는 최근 관심이 고조되고 있는 실버산업의 현황과 차세대 성장동력 추진 계획에 나와 잇는 실버의료기기 기술에 대해 간략히 소개하고자 한다.