Study on Off-Line Balancing Technique of Turbo-Pumps

• Main Authors: Chia-Lun Tsai, 蔡佳倫
• Other Authors: Min-Chun Pan
• Format: Others
• Language: zh-TW
• Published: 2006
• Online Access: http://ndltd.ncl.edu.tw/handle/93026386473131743546

碩士 === 國立中央大學 === 機械工程研究所 === 95 === Most balancing machines used in industry are only involved in using two-plane balancing for the rigid rotor. Turbo-pump, crank-shaft rotor, and turbo-machinery are the special rotor with complex mechanism. It will be a difficult task for balancing these rotors. Only using the two-plane balancing procedure is very difficult. When a rotating machine such as turbo-pump is designed to operate over a range of speeds, the unbalance forces transmitted to the foundation result in the damage of bearings. This paper will develop an off-line rotor balancing system. Its technique can be used in all the rotating machines. First, testing the technique with simulation signals in order to prove the program is valid. Comparing to conventional balancing method, it has higher precision of iteration of influence coefficient method and least squares method on two-plane balancing machine as well as turbo-pump system. For iteration of influence coefficient method, it is not necessary to repeat the trial-mass data, and the previous computed response coefficient can be used.