The concept of swept sections for flat-ended tools is revisited with the goal of improving the accuracy of calculations in five-axis tool path generation. Firstly, the notions of partial and total swept sections (distinct from traditional swept sections) are introduced. It is shown that partial and total swept sections provide a more accurate representation of the geometry of the moving tool compared to traditional swept sections. Next, geometric and numerical methods focused on calculating partial swept sections are presented. These methods are based on calculating plane-circle intersections. Finally, the calculated partial swept sections are compared to the traditional swept sections. Variations from the traditional swept sections are characterized to provide guidelines to the tool path programmer. [S1087-1357(00)71101-4]
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February 2000
Technical Papers
Flat-Ended Tool Swept Sections for Five-Axis NC Machining of Sculptured Surfaces
R. Sarma
R. Sarma
Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011-2160
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R. Sarma
Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011-2160
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received August, 1997; revised February, 1999. Associate Technical Editor: C-H. Meng.
J. Manuf. Sci. Eng. Feb 2000, 122(1): 158-165 (8 pages)
Published Online: February 1, 1999
Article history
Received:
August 1, 1997
Revised:
February 1, 1999
Citation
Sarma , R. (February 1, 1999). "Flat-Ended Tool Swept Sections for Five-Axis NC Machining of Sculptured Surfaces ." ASME. J. Manuf. Sci. Eng. February 2000; 122(1): 158–165. https://doi.org/10.1115/1.538914
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