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发明授权
US08654478B2 Rotating member assembly with hub perpendicularity control and spindle motor including the same 失效
具有轮毂垂直控制的旋转构件组件和包括其的主轴电机

Rotating member assembly with hub perpendicularity control and spindle motor including the same
摘要：
There are provided a rotating member assembly and a spindle motor including the same. The rotating member assembly includes: a rotating member including a shaft and a hub fixed to an upper portion of the shaft, wherein perpendicularity of the hub with regard to the shaft at a position spaced apart from the center of rotation of the shaft in an outer diameter direction by an axial length or more for which the shaft is fitted into the sleeve is less than double a distance of a gap of a bearing clearance formed by fitting the shaft into the sleeve.
摘要（中）：

提供了一种旋转构件组件和包括该旋转构件组件的主轴电机。 旋转构件组件包括：旋转构件，其包括轴和固定到轴的上部的毂，其中毂相对于轴在与外部的轴的旋转中心间隔开的位置处的垂直度 直径方向通过轴装配到套筒中的轴向长度或更大的距离小于通过将轴装配到套筒而形成的轴承间隙的间距的两倍。

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