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Influence of twist drill geometry on chip split with self vibratory drilling head

  • Olcay Önder (a1), Henri Paris (a1) and Joël Rech (a2)


In industrial area, drilling is one of the most commonly used machining operations. Today, conventional drilling methods have found their limits in deep hole drilling. To be able to push these limits, we have developed a new technology: vibratory drilling. The aim of this study is to determine the influence of the twist drill geometry on performance of the self vibratory drilling head. For that reason, it is necessary to identify the geometrical properties which have the strongest influence on axial vibrations of twist drill and on chip fragmentation. Moreover, we have also validated the experimental results by a simulator which can predict the behaviour of the self vibratory drilling head by taking into account geometrical defects of the tool.


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Influence of twist drill geometry on chip split with self vibratory drilling head

  • Olcay Önder (a1), Henri Paris (a1) and Joël Rech (a2)


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