Optimization technology for assembly sequence of fan rotor blades of aero-engine with odd-numbered blades

被引：0
|
作者：
Li L. [1 ]
Chen K. [1 ]
Gao J. [1 ]
Liu J. [1 ]
Gao Z. [1 ]
Wang M. [2 ]
机构：
[1] State Key Laboratory of Mechanical Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an
[2] China Aviation Development Xi'an Aero Engine Co., Ltd., Xi'an
来源：
Jisuanji Jicheng Zhizao Xitong/Computer Integrated Manufacturing Systems, CIMS | 2024年 / 30卷 / 06期
关键词：
assembly sequence planning; conjoined twin blades; gravitational moment difference of the opposite angles blades; improved simulated annealing algorithm;
D O I：
10.13196/j.cims.2021.0878
中图分类号：
学科分类号：
摘要：
Aiming at the problems that the opposite angles blades'gravitational moment difference is difficult to guarantee and the blades'gravitational moment distribution is not balanced in the assembly sequence planning process of aero-engine fan rotors with odd blades,the assembly sequence planning technology of odd blades was studied. A single blade was divided into two to form 33 pairs of "conjoined twin blades", and the original 33 rotor blades were converted into "66 virtual blades" to realize the conversion of the number of rotor blades from odd to even. Then, the opposite angles blades was found for each "virtual blade", but the "conjoined twin blades" could not be truly separated or placed in the opposite angles position. The gravitational moment difference of the "two virtual blades" at the opposite angles position was taken as the constraint, the remaining unbalance of the rotor as the optimization goal to plan the assembly sequence of the rotor blades by using the improved simulated annealing algorithm, which provided an optimized assembly sequence for the assembly of the rotor blades and optimized the static balance quality of the rotor. The verification results of an example showed that the conversion of the number of blades "from odd to even" realized the accurate guarantee of the gravitational moment difference of the opposite angles blades, and met the design index of the gravitational moment difference of the opposite angles blades (≤ 1200g·mm), which provided an optimized assembly sequence for the assembly of rotor blades with an odd number of blades, and optimized the balance quality of the rotor. © 2024 CIMS. All rights reserved.
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页码：2014 / 2024
页数：10
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