DESIGNING OF ANNULAR DRILLS WITH THE DIRECTION OF THE INTERNAL RESIDUAL STEM
DESIGNING OF ANNULAR DRILLS WITH THE DIRECTION OF THE INTERNAL RESIDUAL STEM

Summary/Abstract: The current article provides a methodology for designing of annular drills which includes determining the tool's operating scheme and the scheme of cutting of the allowance of machining. It’s shown a scheme of annular drill load which is essential for the construction of this type of tools. By the dependencies shown in the current study, a strength calculation of the annular drill with the corresponding diameter was made and it is defined the case where the drill has the greatest sustainability.

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