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Design and Processing of Gas Turbine Blades Based on Additive Manufacturing Technology
Xuan Liu1, Xingguo Han1,2, Guofu Yin3
1School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China.
Abstract:
Aiming at the problems of the complex shape, difficult three-dimensional (3D) digital modeling and high manufacturing quality requirements of gas turbine blades (GTB), a method of fitting the blade profile line based on a cubic uniform B-spline interpolation function was proposed. Firstly, surface modeling technology was used to complete the fitting of the blade profile of the GTB, and the 3D model of the GTB was synthesized. Secondly, the processing parameters of the additive manufacturing were set, and the GTB model was printed by fused deposition technology. Then, the rapid investment casting was completed with the printed model as a wax model to obtain the GTB casting. Finally, the blade casting was post-processed and measured, and it was found to meet the requirements of machining accuracy and surface quality.
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