Twist drilling is one of the most used machining operations in manufacturing conventional and innovative materials. The accuracy of geometries produced by drilling relies on many factors ranging from materials to, drill geometry, machining parameters and cutting edge conditions. As the dimension of the drills decreases, the cutting force makes the deformation of the drill more critical; consequently the accuracy of the hole decreases. This paper presents an approach to assess the relationships between the actual twist drill geometry and the deformation of the bit drill in order to evaluate the accuracy of the manufactured hole.
Analysis of Drills Deflection for Precision Manufacturing
BRUZZONE, ALESSANDRO;LONARDO, PIETRO
2009-01-01
Abstract
Twist drilling is one of the most used machining operations in manufacturing conventional and innovative materials. The accuracy of geometries produced by drilling relies on many factors ranging from materials to, drill geometry, machining parameters and cutting edge conditions. As the dimension of the drills decreases, the cutting force makes the deformation of the drill more critical; consequently the accuracy of the hole decreases. This paper presents an approach to assess the relationships between the actual twist drill geometry and the deformation of the bit drill in order to evaluate the accuracy of the manufactured hole.
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