Sawing Versatility (continued)
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thick stock into thin boards is one of the bandsaw's most
useful functions. This operation cannot be performed efficiently
on any other home workshop power tool.
a good resaw, first joint the bottom edge of the stock. Also
make sure the surface that will rest against the extension
is as smooth and flat as possible. If the board is cupped,
the cup should face the extension. Check the squareness of
the table to the blade and adjust it, if necessary- just 1°
to 2° out of square will make the resawn board noticeably
14-19. Use a high miter gauge extension when resawing.
Feed the workpiece very slowly, especially if you are
using a blade that is less than 1/2" wide. Narrower
blades can be used, but they are more likely to "bow"
in the cut.
resawing usually involves stock several inches thick and many
feet long, it's a good idea to use a long, high miter gauge
extension. Clamp a feather board to the table to help hold
the stock up on edge and flat against the extension. Use a
push block to move the stock (Figure
the miter gauge in the table slot that runs perpendicular
to the flat of the blade, and lock it in place so that the
fence is 1/32" to 1/16" farther away from the blade than the
desired thickness of the resawn board. (This extra distance
will give you room to surface the wood after it's been resawn.)
Also clamp the feather board to the bandsaw table so that
it will press against the stock just in front of the blade.
Always use a push stick to finish a resawing cut.
using a 1/4" blade for this operation, increase the tension
to the 3/8" mark on the blade tension scale.
14-20. You can prepare a workpiece for resawing
by making table saw cuts. The kerfs help to buide the
blade and they reduce the amount of materials on which
the blade must work.
make the cut, hold the workpiece firmly against the extension.
Take your time and don't rush the cut. If you rush, the blade
may follow the annual rings in the wood, giving you an uneven
cut. As with ripping, blade lead can also ruin your cut. If
the blade tends to wander, even when you feed the stock slowly,
readjust the blade guides or the angles of the miter gauge.
If this doesn't work, refer to the Bandsaw Owners Manual to
correct blade lead. If none of these remedies correct the
problem, use another blade for resawing.
14-21. The bandsaw's impressive depth of cut can
be utilized to cut square stock round or prepare stock
for lathe turning. Small circles require a narrow blade,
so feed very carefully to keep the blade from bowing.
prepare stock for resawing by first kerfing the material on
the table saw as shown in Figure
14-20. The kerfs do double-duty; they act as a guide for
the bandsaw blade and they reduce the amount of material through
which the blade must cut.
resawing, in the strict sense, but the bandsaw's ability to
cut through thick stock can be utilized to cut square stock
round or prepare material for lathe turning (Figure
14-21). Cutting stock this way considerably reduces the
amount of waste that must be cut away with lathe chisels.
14-22. Thinning out stock so it can be bent is a
type of resawing. How much of the sotck's thickness
you leave depends on how sharp a bend you must make.
Out-Thinning out is a type of resawing procedure that
is used to reduce the thickness of stock in particular areas
so the material will be easy to bend. Mark the section to
be thinned on one edge of the stock. The section should be
1" or so longer than the bend you plan. Make the two end cuts
first. Then, starting from any point between them, make an
oblique approach to the straight line and continue the pass
until it meets the first cut. Turn the stock end-for-end and
complete the cut (Figure
14-23 shows an example of the kind of bending that can
be done by using the thinning-out method. The thickness of
the material that will be left after the cutting will depend
on how sharp the bend must be. Bends made this way should,
be reinforced with glue blocks.
14-23. An example of how stock can be bent after
it is thinned out. The thinned sections will be weak
and should be reinforced with glue blocks.
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