№2 (20), 2012. MATHEMATICS AND SCIENCE

Bogolyubov A V

About impossibility of theoretically exact processing of ruled screw surfaces by the round cylindrical tool

It is shown, that equidistant surface to anyone ruled screw surface, behind exception developable helicoids, is a no ruled surface. The impossibilityoftheoreticallyexact processingofsuch surfaces byround cylindrical tools from here follows.

Keywords: mechanical engineering, cutting tool, ruled screw surfaces, equidistant surface.

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