The Numerical Research on Rock Breaking and Rising Mechanism of Rotary-Percussive Drilling
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DOI: 10.1007/s13369-019-04170-5
Abstract: In this paper, the numerical simulation is used to study the rising mechanism of rotary-percussive drilling, which is under the combination of rotary cutting and axial impact. The main objective of the present work is… read more here.
Keywords: mechanism rotary; rotary percussive; percussive drilling; drilling ... See more keywords
Impact Dynamics of a Percussive System Based on Rotary-Percussive Ultrasonic Drill
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DOI: 10.1155/2017/5161870
Abstract: This paper presents an impact dynamic analysis of a percussive system based on rotary-percussive ultrasonic drill (RPUD). The RPUD employs vibrations on two sides of one single piezoelectric stack to achieve rotary-percussive motion, which improves… read more here.
Keywords: system; rotary percussive; drill; free mass ... See more keywords