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TECHNICAL PAPERS: Gas Turbines: Manufacturing, Materials, and Metallurgy

Generation of Five-Axis Cutter Paths for Turbomachinery Components

[+] Author and Article Information
D. M. Tsay, W. F. Yan, H. C. Ho

Department of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan

J. Eng. Gas Turbines Power 123(1), 50-56 (Sep 18, 1999) (7 pages) doi:10.1115/1.1340639 History: Received January 01, 1999; Revised September 18, 1999
Copyright © 2001 by ASME
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References

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Choi,  B. K., and Jun,  C. S., 1989, “Ball-end Cutter Interference Avoidance in NC Machining of Sculptured Surfaces,” Comput.-Aided Des., 21, pp. 371–378.
Hwang,  J. S., 1992, “Interference-free Tool-path Generation in the NC Machining of Parametric Compound Surfaces,” Comput.-Aided Des., 24, pp. 667–676.
Choi,  B. K., Park,  J. W., and Jun,  C. S., 1993, “Cutter-location Data Optimization in 5-axis Surface Machining,” Comput.-Aided Des., 25, pp. 377–386.
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Lee, Y. S., 1993, Automatic Planning and Programming for Five-axis Sculptured Surface Machining, Ph.D. thesis, Purdue University, West Lafayette, IN.
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Figures

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Schematic illustration of a type of five-axis machining
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Schematic illustration of interference and cutter location
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Schematic illustration of rotational range of a cutter and interference
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Compositions of surface roughness
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Scallop height of the convex surface
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Scallop height of the concave surface
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Schematic illustration of a different type of five-axis machining
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Schematic illustration of camber, pressure side, and suction side surfaces of an impeller
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Schematic illustration of a 15-blade impeller
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(a) Simulated result for tool marks; and (b) tool marks left on the cut hub surface
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(a) Simulated result for improved tool marks; (b) improved tool marks left on the cut hub surface
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A machined impeller with 15 blades
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Five-axis machining of an impeller with 13 blades
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A machined impeller with 13 blades

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