Scientific American Supplement, No. 312, December 24, 1881Various
Science
Scientific American Supplement, No. 312, December 24, 1881
Various
Science -- Periodicals
It is not the intention of the writer to enter largely into the
subject of wood working, but simply to suggest a few handy attachments
to the foot lathe which will greatly facilitate the operations of the
amateur wood worker, and will be found very useful by almost any one
working in wood. It is not an easy matter to split even thin lumber
into strips of uniform width by means of a handsaw, but by using the
circular saw attachment, shown in Fig. 1, the operation becomes rapid
and easy, and the stuff may be sawed or slit at any desired angle or
bevel. The attachment consists of a saw mandrel of the usual form, and
a wooden table supported by a right angled piece, A, of round iron
fitted to the toolpost and clamped by a wooden cleat, B, which is
secured to the under side of the table, split from the aperture to one
end, and provided with a thumbscrew for drawing the parts together.
By means of this arrangement the table may be inclined to a limited
angle in either direction, the slot through which the saw projects
being enlarged below to admit of this adjustment.
[Illustration: WOODWORKING ATTACHMENTS FOR THE FOOT LATHE.]
The back of the table is steadied by a screw which rests upon the back
end of the tool rest support, and enters a block attached to the under
side of the table. The gauge at the top of the table is used in
slitting and for other purposes which will be presently mentioned, and
it is adjusted by aid of lines made across the table parallel with the
saw.
For the purpose of cross cutting or cutting on a bevel a thin sliding
table is fitted to slide upon the main table, and is provided with a
gauge which is capable of being adjusted at any desired angle. For
cutting slots for panels, etc., thick saws may be used, or the saw may
be made to wabble by placing it between two beveled washers, as shown
in Fig. 2.
The saw table has an inserted portion, C, held in place by two screws
which may be removed when it is desired to use the saw mandrel for
carrying a sticker head for planing small strips of moulding or
reeding. The head for holding the moulding knives is best made of good
tough brass or steam metal. The knives can be made of good saw steel
about one-eighth inch thick. They may be filed into shape and
afterward tempered. They are slotted and held to their places on the
head by means of quarter-inch machine screws. It is not absolutely
necessary to use two knives, but when only one is employed a
counterbalance should be fastened to the head in place of the other.
All kinds of moulding, beading, tonguing, and grooving may be done
with this attachment, the gauge being used to guide the edge of the
stuff. If the boards are too thin to support themselves against the
action of the knives they must be backed up by a thick strip of wood
planed true. The speed for this cutter head should be as great as
possible.
Public-domain text, read in full here on John Shaqi.
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