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Title: Optimal tool-path generation for 5-axis milling of sculptured surfaces
Authors: Li, L.L. 
Zhang, Y.F. 
Keywords: 5-axis milling
Cutter posture change
Machining strip width
Tool-path generation
Issue Date: 2008
Citation: Li, L.L.,Zhang, Y.F. (2008). Optimal tool-path generation for 5-axis milling of sculptured surfaces. 2007 IEEE International Conference on Control and Automation, ICCA : 1207-1212. ScholarBank@NUS Repository.
Abstract: In 5-axis high speed milling, one of the key requirements to ensure the quality of the machined surface is that the tool-path must be smooth, i.e., the posture change from one point to the next must be minimized. In this paper, a new method for generating optimal 5-axis tool paths with smooth cutter motion and high efficiency is presented. The basis of this optimization method is a new concept called cutter smoothness map (S-map, i.e., posture change rates along possible cutting directions) at a point on the part surface. With the S-map at any given point on the part surface, the initial tool path with the smoothest posture change can be generated. Subsequently, the adjacent tool-paths are generated one at a time by considering both machining efficiency and path smoothness. Compared with traditional tool path patterns, e.g., iso-planar, the generated tool paths are smoother in terms of posture changes along the tool-path, thus better surface finish is expected. An example is presented to demonstrate the effectiveness and validity of the proposed method. © 2007 IEEE.
Source Title: 2007 IEEE International Conference on Control and Automation, ICCA
ISBN: 1424408180
DOI: 10.1109/ICCA.2007.4376552
Appears in Collections:Staff Publications

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