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2. 发明授权

US5397185A Device for the axial support of a rotatable body, and positioning device provided with such a device 失效
标题翻译：用于可旋转体的轴向支撑的装置，以及设置有这种装置的定位装置
公开(公告)号：US5397185A
公开(公告)日：1995-03-14
申请号：US161951
申请日：1993-12-02
申请人： Mark T. Meuwese , Jakob Vijfvinkel , Cornelis J. M. Naus
发明人： Mark T. Meuwese , Jakob Vijfvinkel , Cornelis J. M. Naus
IPC分类号： F16C13/02 , F16C32/06
CPC分类号： F16C32/0692 , F16C32/0603
摘要： A device (1) for supporting a rotatable body (3) in a direction parallel to an axis of rotation (5) of the body (3). The device (1) comprises a support member (17) with a fluid bearing (21) which maintains a beating gap (23) between a bearing surface (15) of the body (3) extending perpendicular to the axis of rotation (5) and a bearing surface (19) of the support member (17) extending perpendicular to the axis of rotation (5) during operation. Manufacturing tolerances may lead to deviations from perpendicularity of the beating surfaces (15, 19) relative to the axis of rotation (5), which deviations cause an undesirable vibration of the body (3) parallel to the axis of rotation (5) during rotation of the body (3). This vibration is prevented in that the support member (17) is coupled to a frame (11) of the device (1) by means of an elastically deformable coupling member (25), whereby the bearing surface (19) is pivotable about two mutually perpendicular pivot axes (27, 29) which intersect in a point of intersection (31) of the axis of rotation (5) and the bearing surface (19). The point of intersection (31) of the axis of rotation (5), the pivot axes (27, 29) and the bearing surface (19) is defined in relation to the axis of rotation by means of the coupling member (25). The device (1) is used in a positioning device (127) for machining a rotatable workpiece (171) by means of a tool (149), during which the workpiece (171) is supported parallel to the axis of rotation (5) by the device (1).
摘要翻译：一种用于在平行于主体（3）的旋转轴线（5）的方向上支撑可转动体（3）的装置（1）。装置（1）包括具有流体轴承（21）的支撑构件（17），该支撑构件在垂直于旋转轴线（5）延伸的主体（3）的支承表面（15）之间保持跳动间隙（23）以及在操作期间垂直于旋转轴线（5）延伸的支撑构件（17）的支承表面（19）。制造公差可能导致相对于旋转轴线（5）的跳动表面（15,19）的垂直度偏离，这种偏差导致在旋转期间平行于旋转轴线（5）的主体（3）的不期望的振动的身体（3）。通过可弹性变形的联接构件（25）将支撑构件（17）联接到装置（1）的框架（11），防止了这种振动，由此支承表面（19）可绕两个相互枢转垂直枢转轴线（27,29），其在旋转轴线（5）的交点（31）与支承表面（19）相交。通过联接构件（25）相对于旋转轴线限定旋转轴线（5），枢转轴线（27,29）和支承表面（19）的交点（31）。装置（1）用于定位装置（127），用于通过工具（149）加工可旋转工件（171），在此期间工件（171）平行于旋转轴线（5）被支撑设备（1）。

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