File Filosophy
Being some Hints regarding the proper Methods of using Files and the various Applications of the most common Files
År: 1913
Forlag: Nicholson File CO.
Sted: Providence, R.I., U.S.A.
Udgave: Eight Edition [revised]
Sider: 47
UDK: 621.91 Nich Gl.
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FILE FILOSOPHY
SET.—To file off or blunt the sharp edges or corners
of file blanks before and after the first or over cut
is made, in order to prevent weakness of the teeth and
consequent liability to break when put to use.
Superfine (or Super) Cut.—A term applied
by the Lancashire file makers to designate a grade of
cut designated by us as Dead Smooth.
Surface Plate or Planometer.—Con-
sists of a close-grained and hard cast iron plate, usually
strengthened by three principal ribs, and supported
upon three feet or bearing points; having one or more
of its faces made as smooth and as true as can possibly
be done. They are used as trial plates for testing and
correcting other surfaces.
TAPER.—This term is used to denote the shape of
the file, as distinct from blunt. Custom has also
established it as a short name for the Three-Square
Handsaw File.
UP CUT.—A term used to describe the series of teeth
superimposed on the over cut series of teeth on a
double cut file.
NICHOLSON FILE CO.
11