Balance ring and method for balancing a rotating component
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United States of America Patent
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May 31, 2011
Grant Date -
Dec 11, 2008
app pub date -
Jul 27, 2005
filing date -
Jul 27, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A balance ring for a component (1) rotating about a rotation axis (3), for example a tool holder for a rotating tool or else a machine spindle or the like, is proposed. The balance ring has an annular body (11) which is rotationally symmetrical with respect to an axis of rotational symmetry, a guide arrangement (13) guiding the annular body (11) in a radially movable but axially fixed manner on the component (1) with an axis of rotational symmetry essentially parallel to the rotation axis (3) of the component (1), and a plurality of adjusting elements (21) arranged in the circumferential direction of the annular body (11), preferably at equal angular distances from one another, radially supported between the annular body (11) and the component (1) and having a variable radial supporting length. The guide arrangement may be designed as an axially extending spring link arrangement or else as spring webs extending in the circumferential direction. Instead of the adjusting screws (21), electrically controllable actuators, such as, for example, piezoelectric elements or nanotube elements, may also be provided.
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