Vibro-impact model and validation of the axial dynamics of a vibration-assisted drilling tool
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DOI: 10.1007/s40430-020-02680-0
Abstract: A lumped parameter vibro-impact model is proposed to describe the axial dynamics of a vibration-assisted drilling tool prototype, developed to improve the drilling efficiency in hard-rock drilling applications. The purpose of this work is twofold:… read more here.
Keywords: assisted drilling; impact; model; drilling tool ... See more keywords
Stick-slip vibration characteristics of drilling tool during drilling in coal seam with gangue
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DOI: 10.1177/00368504221086698
Abstract: Aiming at the problem of stick-slip vibration caused by sudden drilling resistance torque during drilling in coal seam with gangue, the drilling tool dynamic model with two degree of freedom was established based on the… read more here.
Keywords: vibration; coal seam; drilling tool; seam gangue ... See more keywords