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Abstract

This invention provides a method for acquiring the unbalance of a rotor. It is used for decoupling the unbalance of the rotor and the unbalance of the balancing machine itself, including below procedures: set at least two reference points of the unbalance on the rotor, on the plane perpendicular to the rotating axis of the rotor, there is an angle between the lines connecting the projection of each reference point to the projection of the rotating axis; measure the unbalance of the rotor in sequence by using each reference point as angle reference; through vector calculation of the unbalance corresponding to two arbitrarily selected reference points, the unbalance of the rotor is obtained. By setting at least two zero angle reference points of the unbalance on the rotor before the measurement can avoid the influence to the unbalance of the rotor caused by the change of zero angle reference point during the measurement process.

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First Claim