Shop practice for home mechanics, use of tools, shop processes, construction of small machines. Contains a chapter also on theoretical mechanics and on miscellaneous information relative to shop work (1920)
Yates, Raymond F. (Raymond Francis), 1895- · New York, N. W. Henley Pub. Co. · leaf 141
lledburning the tool. Two badly ground tools are shoA\ai at A and B, Fig.178. The tool shown at B will not cut effectively owingto the fact that its actual cutting edge is prevented fromcoming in contact mth the work. In fact, if the tool isground too round, the cutting edge will not come in… … BFig. 178—Improperly ground lathe tools The opposite extreme is shown at A. A tool groundin this manner will be very apt to break. This is becausethe cutting point does not have the proper support frombeneath. The steel from which tools are made is hard-ened to such an extreme degree that it is…
Machine-shop practice · Handicraft
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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