The research on the fixation strength of tapered cone bit teeth
Engineering Failure Analysis（2021）
Abstract
•Design taper tooth for the failure of the tooth loss.•A device is designed to study axial/ transverse loads on taper teeth at different taper.•The taper, transverse load and interference magnitude contribute to failure.•The taper tooth also solves the tooth dropping in high geothermal drilling.
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Key words
Tapered teeth,Fixation strength,Experimental research,Numerical simulation,High-temperature drilling
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