期刊
JOURNAL OF COMPUTATIONAL DESIGN AND ENGINEERING
卷 2, 期 4, 页码 197-205出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcde.2015.06.001
关键词
Five-axis machining; Tool orientation; Optimization; Bladed disk
Bladed disk (BLISK) is a vital part in jet engines with a complicated shape which is exclusively machined on a five-axis machine and requires high accuracy of machining. Poor quality of tool orientation (e.g., false tool positioning and unsmooth tool orientation transition) during the five-axis machining may cause collision and machine vibration, which will debase the machining quality and in the worst case sabotage the BLISK. This paper presents a reference plane based algorithm to generate a set of smoothly aligned tool orientations along a tool path. The proposed method guarantees that no collision would occur anywhere along the tool path, and the overall smoothness is globally optimized. A preliminary simulation verification of the proposed algorithm is conducted on a BLISK model and the tool orientation generated is found to be stable, smooth, and well-formed. (C) 2015 Society of CAD/CAM Engineers. Production and hosting by Elsevier.
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