The influence of an exit surface angle on drilling burr formation was analyzed. The experimental research found that a burr forms on only a certain portion of a hole when an exit surface is not perpendicular to a drill path. An effective interaction angle was newly defined and the concept of degree of plastic deformation was introduced in order to explain this phenomenon. The burr forming location predicted from the effective interaction angle was verified with experimental results.
Influence of Exit Surface Angle on Drilling Burr Formation
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received December 2002. Associate Editor: Dong Woo Cho.
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Min, S., Dornfeld, D. A., and Nakao, Y. (November 11, 2003). "Influence of Exit Surface Angle on Drilling Burr Formation ." ASME. J. Manuf. Sci. Eng. November 2003; 125(4): 637–644. https://doi.org/10.1115/1.1596573
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