Journal of the Japan Society of Precision Engineering
Print ISSN : 0374-3543
Geometrical Analysis of the Twist Drill Points (2)
The points ground to the inverted conical surfaces as well as cylindrical surfaces
Masasuke TSUEDAYoshio HASEGAWA
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1956 Volume 22 Issue 259 Pages 391-396

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Abstract
Following the first report, which showed an analysis of the points ground to the normal conical surfaces, the present report describes the analysis of the points having inverted conical surfaces as well as cylindrical surfaces. Comparisons between these three types of points are made on various examples.
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© by The Japan Society for Precision Engineering
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