Volume 3, September, 2018

 

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

Tanya Avramova
Pages: 90-98

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.

 

Keywords: an annular drill, a force system, a kinematic cutting scheme

 

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