砂布轮柔性抛光力的建模与参数优化
收稿日期: 2015-12-21
修回日期: 2016-01-04
网络出版日期: 2016-01-30
基金资助
国家科技重大专项（2015ZX04001003）
Modelling and parameter optimization of flexible polishing force for abrasive cloth wheel
Received date: 2015-12-21
Revised date: 2016-01-04
Online published: 2016-01-30
Supported by
National Science and Technology Major Projects (2015ZX04001003)
淮文博 , 唐虹 , 史耀耀 , 蔺小军 . 砂布轮柔性抛光力的建模与参数优化[J]. 航空学报, 2016 , 37(11) : 3535 -3545 . DOI: 10.7527/S1000-6893.2016.0009
Abrasive cloth wheel with large flexibility can realize micro-surface contact and adaptive polishing to improve the surface integrity and mechanical properties of the aero-engine blade. Because the polishing force is the key parameter influencing the integrity of polishing surface, influence parameters for polishing force of abrasive cloth wheel are determined and its influence regularities are analyzed by single-factor experiment. The compression size and the rotation speed of abrasive cloth wheel are determined as the main influence parameters for the polishing force by the orthogonal experiment and range analysis. Prediction model of the polishing force is obtained by using binary quadratic regression orthogonal experiment. The variation trend of the polishing force prediction error is analyzed by using the model, and the stability domain of the main influence parameters is determined at different rotation speeds. The results of blisk polishing experiment show that the ideal polishing results of surface roughness less than 0.4 μm and polishing efficiency higher by 20% than manual polishing can be achieved by reasonable control of the polishing force.
Key words： blades; abrasive cloth wheel; polishing force; modelling; parameters optimization
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