The Drilling Burr Expert System: Description, Principle, and Weaknesses

1.0 Overview: Optimized drilling parameter 1.1 Background: Cost minimization in drilling operation The formation of burrs is a significantly undesirable by product of drilling operations in manufacturing plants. A burr, which is the rough edge that remains on a work piece after drilling, is formed whenever a drill bit approaches the exit surface of a work piece, appearing as a short mound of material (see Fig. 1) [1]. Because of their uneven shape, burrs cause a multitude of problems …

…amp;gt;Metcut Research Associates Inc., Machining Data Handbook, 3rd ed., 1980. 5.<Tab/>Shackelford James, Introduction to Material Science for Engineers, 4th ed, New Jersey: Prentice Hall, Inc., 1996, pp. 274-276. 6.<Tab/>Same as [5]. 7.<Tab/>Pletting and Associates Website: http://www.pletting.com/twist.html. 8.<Tab/>Hasegawa Yuki, "Burr in drilling aluminum and prevention of it, " SME Technical Paper, MR75-480.