Abstract
Abstract This paper describes an experimental study of the mechanism of drilling runout and its influence on hole quality. This approach considered the effects of the drilling runout on the hole quality features under various cutting conditions. The drilling runout model was developed as a flexible cantilever beam with a tilt offset. A series of drilling experiments was performed to investigate the drilling runout effect on the hole quality. Standard twist drills were used to drill aluminum workpieces. The drilled hole quality was measured by a Coordinate Measuring Machine (CMM). It showed that the drilling runout has a significant effect on hole quality.
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