METHOD FOR CORRECTING UNBALANCE OF ROTOR
PURPOSE:To make it possible to efficiently correct balance of a rotor by correcting unbalance in order from the area of the rotor most prominent in unbalance. CONSTITUTION:An unbalance measuring section 16 measures magnitudes of unbalance on a commutation side and anti-commutator side, that is alpha...
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Zusammenfassung: | PURPOSE:To make it possible to efficiently correct balance of a rotor by correcting unbalance in order from the area of the rotor most prominent in unbalance. CONSTITUTION:An unbalance measuring section 16 measures magnitudes of unbalance on a commutation side and anti-commutator side, that is alpha and beta, and areas of that unbalance. Judging that a difference in unbalance (alpha-alpha0) is larger than a difference in unbalance (beta-beta0), and judging that the magnitude alphaof unbalance is larger than a measured value alpha0 on the commutator side, a computing section 17 calculates the amount of putty Pa to be adhered in response to the magnitude alpha of that unbalance, or the computing section 17 causes the putty Pa in this amount to be adhered to an armature 7 on the commutator side. Similarly, putty Pb is adhered to the armature 7 on the anti- commutator side. The unbalance is corrected in the same manner as previously mentioned until the magnitudes alpha and beta of unbalance are respectively reduced so as to be smaller than specified values alpha0 and beta0. Hence, for the unbalanced areas detected by the unbalance measuring section 16, the correction of unbalance having a larger magnitude is given priority. |
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