This paper presents a fixturing method for sacrificial fixturing machining using CNC equipment. The focus of the paper is not on the method itself, but on the economics of sacrificial fixturing CNC machining, which defines the domain of use for the results described in the paper. The paper presents an economic model of machining, and then analyzes the use of the method as a function of: the number of parts to be produced, the ratio of material removed to final part volume, the number of features on the part, and the basic part geometry. We conclude that sacrificial fixturing is a very practical method that should be seriously considered when machining small batches of parts, rapid prototyping with CNC machining and parts with some particular geometric characteristics.
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ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 28–October 2, 2004
Salt Lake City, Utah, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4694-6
PROCEEDINGS PAPER
Economics of Sacrificial Fixturing for CNC Machining and Rapid Manufacturing Available to Purchase
Kevin McBrearty,
Kevin McBrearty
Pennsylvania State University, University Park, PA
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Richard A. Wysk,
Richard A. Wysk
Pennsylvania State University, University Park, PA
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Matthew C. Frank
Matthew C. Frank
Iowa State University, Ames, IA
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Kevin McBrearty
Pennsylvania State University, University Park, PA
Richard A. Wysk
Pennsylvania State University, University Park, PA
Matthew C. Frank
Iowa State University, Ames, IA
Paper No:
DETC2004-57440, pp. 811-817; 7 pages
Published Online:
June 27, 2008
Citation
McBrearty, K, Wysk, RA, & Frank, MC. "Economics of Sacrificial Fixturing for CNC Machining and Rapid Manufacturing." Proceedings of the ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 1: 30th Design Automation Conference. Salt Lake City, Utah, USA. September 28–October 2, 2004. pp. 811-817. ASME. https://doi.org/10.1115/DETC2004-57440
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