This week, I show Beth how I created the guide blocks to help her even out the dovetail
spacing across the adjoining boards.
But, two things went wrong. In the back ground, notice the pins I had cut as
part of the test. They look great, but are on the long sides rather than on the ends. They
should have been tails. The blanket chest will now be 3/4" shorter.
The other"wrong" is that Beth and I had placed the fingers approximately
every couple of inches. For making pretty corners, that works. The Akeda Jig matches up
the mating pieces no matter where you place them. The problem came when the clever gauge
works on some but not the others.
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So we looked closely
at the first corner and decided that 1 3/4" width spacing would look the way we
wanted. Beth uses a ruler to redraw the midpoints. The Akeda guide bar accepts the fingers
in 1/8" increments so making these marks will allow her to set the fingers exactly.
By the way, the fingers mount very easily, once you understand the method.
Here it is in a nutshell. You locate the finger's mid-point mark just to the right of
where you want to place it and then lift up and to the left. This way it will pop into the
next slot. Since the slots are every 1/8", the finger placing can be very exact.
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Beth has cut a small
sample piece with the new settings so that she can make a new guide.
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At the router table, she
carefully marks the center point between two new tails and then marks the centers of the
tails, themselves.
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With the saw
off, she very carefully lines up the fence so that the blade will cut to the left of the
line she wants to leave the line. She can always cut a hair more off, but not put
it back on.
Beth found a better method to make this setting. She found the the top of the
tail is 1/4" wide and the blade 1/8". So if she set the fence with the blade
touching the left hand side of the tail, the setting would be correct.
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With the earlier tries in
the background, Beth marks the two that are the "final" guides.
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It is a good
fit, and the pins are halved, so Beth should be able to use this for aligning the joint
later on.
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This close-up
shows the marks that Beth made with the square at each center mark. As before, she can see
the marks easier by peering over the router for the cutting of the tails. The arrow shows
the line she is currently routing the router has a screw at that point which makes
alignment even easier.
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Beth inspects the sides with
the new tails. They all look good, so it is time to make the pins in the ends.
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