BALANCE ANALYZER AND BALANCE ANALYSIS METHOD BY THE SAME

• Main Authors: HAYASHI TOSHITAKA, KUSAKA KAZUYA, KARAI YASUHIKO, NAKATO AKINORI
• Format: Patent
• Language: English
• Published: 04.11.2005
• Edition: 7
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

PROBLEM TO BE SOLVED: To correct imbalance at all rotation numbers from an assumed lowest rotation number of a rotor to a highest rotation number thereof while estimating residual vibrations at respective rotation numbers when the imbalance is supposed to have been corrected thereby easily determining correction evaluation. SOLUTION: This balance analyzer corrects imbalance of the rotor rotating in a range from the lowest rotation number to the highest rotation number. This analyzer is characterized by comprising a rotation number detector for detecting the rotation number of the rotor, a vibration detector for detecting relevant-position imbalance vibration of the rotor at one or a plurality of points among the axial positions of the rotor, and a controller. The controller measures imbalance vibration of the rotor for each of previously set arbitrary rotation numbers between the lowest and highest rotation numbers by the number detector and the vibration detector, calculates correction weight to be added to or removed from the rotor at its axial specific position (a correction surface) previously set based on a measurement result thereof, and estimates/displays residual vibrations at respective rotation numbers when the corrective weight is supposed to have been added to or removed from the correction surface. COPYRIGHT: (C)2006,JPO&NCIPI