Formation of Feed-Direction Burr in Axial Vibration Drilling

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Abstract:

Based on the fundamental theory of axial vibration drilling, the influence of vibration drilling on the feed-exit burr has been analyzed. The result shows that, due to axial vibration,vibration drilling has some unique characteristics, such as variable-thickness cutting and impulse cutting,which not only improve the chip-breaking conditions and working angle of the drill,but reduce the thrust force.Therefore, the plastic deformation of workpiece material and the exit burr are restrained and decreased effectively.

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211-216

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July 2019

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© 2019 Trans Tech Publications Ltd. All Rights Reserved

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