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Prepare a “sanding board” from a straight flat piece of wood
about 3-4" wide, at least 1" thick, and 24" long
(illustrated)
.
Add a wedge on each side of one end of the sanding board .
These wedges will tip the sanding board to match the angles
of the top and back as you sand the kerfed linings, neck and
tailblocks . The wedges should be approximately 8" long, and
as wide as the sanding board . Make one wedge 5° for the
back linings, and the other 1-1/2° for the top linings .
Rest the side assembly, with the straight top edge down,
on the flat surface of your workbench . The front shoulders
should overhang the bench, so that the waist clamp can be
fastened to the edge of the benchtop with two wood screws .
If you’re unable to screw the waist clamp to the bench, clamp
a board flush to the bottom edge of your bench, and clamp
or screw the waist clamp to the board .
Draw a white pencil line on the edge of the guitar sides to
serve as an indicator of your sanding progress . Stop sanding
when the line is gone and you begin to graze the sides . Us-
ing double-stick tape, attach 80-grit sandpaper to the side
of the sanding board with the 5° wedge . Hold the wedged
end of the board against the tailblock as a pivot point, and
begin sanding the neck block and the front shoulder area
first . Work around the sides to the tailblock,
moving the
pivot point frequently
, until the sandpaper begins grazing
the white pencil marks on the top edge of the sides . It’s easy
to oversand the sides and the kerfed linings, leaving the
neck block or tailblock higher than the sides, and causing
a “hump” in that area later . Keep this in mind, and give the
blocks a little extra sanding . White pencil them several times
and use a straightedge to be sure they are flat .
Move the waist clamp to the back side of the rim assembly,
and refasten the clamp to the bench with the top kerfed lin-
ings facing up . Repeat the sanding process, using the 1-1/2°
wedged side of the sanding board . The top kerfed linings
have a slighter bevel and are easier to sand than those on the
back of the rim . When your sanding reaches the white pencil
line, the linings are ready for the guitar top to be fitted .
KIT TIP: Back kerfing
The back kerfed linings can be level-sanded AFTER
the top is glued to the sides . The rigidity added by
the glued top makes the sanding easier and more
accurate . If you choose this option, level the top
kerfed linings first
(pictured)
, and sand the back
linings just before removing the cardboard inner
mold .
1-1/2° wedge
for sanding top edge
5° wedge for
sanding back edge
Sandpaper
on both sides
Sands the kerfing
at the angle
of the tapered
block
Leveling the kerfed linings
7
Содержание 5295
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