Abstract: In order to improve the quality and efficiency of turbine milling, the flank milling is a good method, especially for rough milling. This article provides a whole solution that is wrapping the sculptured-surface by multiple ruled surfaces, including optimized arithmetic and application. NC programming by UG and simulating and analyzing by VERICUT, the results indicate that the segmental flank milling can give much better quality and greater efficiency than the traditional manufacturing method.

Key words: turbine blade, muilti-axis machining, flank-milling, ruled-surface, rough-optimization