压气机叶片辊轧模具型腔快速建模技术

doi:10.7527/S1000-6893.2014.0006

Abstract

Abstract:

The work presented in this paper focuses on several aspects of a new technology of rolling mold cavity modeling of the aero-engine compressor blade to adapt to the demand of rapid design and manufacture. A method is given to extract the section curves of a cold rolling blade based on the change of blade curvature in order to reduce the number of section curves while satisfying the accuracy requirements of mold cavity. Accordingly, a mapping algorithm is established for changing the spatial distribution of section curves so as to map them along with the roller surface and then fit these curves into mold cavity surfaces. Then the mold cavities are acquired by Boolean operations of rotators and cavity surfaces. Finally, a modeling system, using the general CAD software as platform, is developed by applying the above method. The study shows that the method is able to realize rapid modeling and the efficiency of rolling mold modeling is improved dramatically.

Key words: cold rolling, compressor blade, mold cavity, section curves extracting, spatial distribution, modeling

CLC Number:

V263.1

WANG Yuanbin, WANG Wenhu, ZHANG Yan, XIE Xiaona. Rapid Modeling Technology of Rolling Mold Cavity of Aero-engine Compressor Blade[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2014, 35(11): 3190-3198.

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Rapid Modeling Technology of Rolling Mold Cavity of Aero-engine Compressor Blade

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