In this paper, B-rep solid modeling techniques are used to deal with geometric modeling issues encountered in ball-end milling simulation. The precise B-rep model of the cutter swept volume is developed using advanced sweeping/skinning techniques. Semi-finishing operations are simulated by performing consecutive Boolean operations between the updated part and swept volume. The instantaneous chip geometry is accurately and reliably extracted from the B-rep model of the updated part. Also, the material removal in ball-end milling is precisely simulated for finishing operations, in order to construct the feed-mark and scallop geometries. The validity of the final model is confirmed by comparing the predicted feed-mark profile with experimental measurements. The system developed can be used to verify and optimize NC codes, thus contributing to improving reliability, accuracy, and productivity in CNC machining.
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May 2001
Technical Papers
Geometric Simulation of Ball-End Milling Operations
B. M. Imani, Ph.D. Candidate,
B. M. Imani, Ph.D. Candidate
Intelligent Machines and Manufacturing Research Center (IMMRC), Department of Mechanical Engineering, McMaster University, Hamilton, Ontario, Canada L8S 4L7
11
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M. A. Elbestawi, Professor, Fellow ASME
M. A. Elbestawi, Professor, Fellow ASME
Intelligent Machines and Manufacturing Research Center (IMMRC), Department of Mechanical Engineering, McMaster University, Hamilton, Ontario, Canada L8S 4L7
Search for other works by this author on:
B. M. Imani, Ph.D. Candidate
11
Intelligent Machines and Manufacturing Research Center (IMMRC), Department of Mechanical Engineering, McMaster University, Hamilton, Ontario, Canada L8S 4L7
M. A. Elbestawi, Professor, Fellow ASME
Intelligent Machines and Manufacturing Research Center (IMMRC), Department of Mechanical Engineering, McMaster University, Hamilton, Ontario, Canada L8S 4L7
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received October 1997; revised February 2000. Associate Editor: K. Ehmann.
J. Manuf. Sci. Eng. May 2001, 123(2): 177-184 (8 pages)
Published Online: February 1, 2000
Article history
Received:
October 1, 1997
Revised:
February 1, 2000
Citation
Imani, B. M., and Elbestawi, M. A. (February 1, 2000). "Geometric Simulation of Ball-End Milling Operations ." ASME. J. Manuf. Sci. Eng. May 2001; 123(2): 177–184. https://doi.org/10.1115/1.1347034
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