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BURR FORMATION IN ALUMINUM AND STEEL HOLES DRILLED BY A BENCH DRILL WITH A SPINDLE-MOUNTED SPRING

Research Authors
M. A. A. El-Gendy, A. A. Nasr, Mahmoud A. El-Sharief
Research Member
Research Year
2013
Research Journal
Journal of Engineering Sciences, Assiut University, Faculty of Engineering
Research Vol
41- 3
Research Rank
2
Research_Pages
930 - 946
Research Abstract

Modern industrial operations wouldn't accept old defects to be present in the new products,
especially that many products include electronic parts or connections that are very sensitive to the
level of finish. Burr formation in drilling operations causes products to be rejected or sent for
deburring. Since deburring is a costly and non-value-added operation, the understanding and control
of burr formation is a research topic with high relevance to industrial applications. In order to
investigate and improve burr formation, a spring was mounted over the bench drill spindle to
measure the cutting force and attempt to know its influence on the burr outcome of the operation.