UJK Dovetail Jig Processes
24
8. It is important that the workpiece to be cut is
positioned between the two preset lines which are
engraved upon the top face edge of the comb bar.
This is adjusted by undoing the two black comb bar
locking knobs and adjusting the brass adjustment
wheels forward or backwards so that the workpiece is
between these guide lines. Also ensure that the comb
when adjusted is parallel to the workpiece, this is best
achieved by lining up the front edge of the board with
the preset line nearest the front of the jig, see fig 65.
0.3
Fig 65
Re-tighten the black locking nuts and ensure that the
comb bar is squarely seated on the workpiece.
9. With the router still disconnected from the power
supply, carefully position on the router on the comb bar,
and adjust the cutter height so that the overall cutting
depth of the cutter is that of the scribe line, see fig 66.
Preset lines
0.3
Fig 66
Scribe line
11. Having cut the joint carefully position the router out
of the way and inspect the joint. The cutter should have
passed all the way through the workpiece, the edges
of the cut should be straight and free of any lumps or
bumps, see fig 68.
0.3
Fig 67
0.3
Fig 68
6. To set the cutter depth on the router, this is best
done using a marking gauge. Cut a scribe line across
the board, the marking gauge being set to the thickness
of the board that adjoins to the board being cut, see fig
61-62-63.
7. Position the first board to be cut (vertical) within
the jig, ensure that this is against the side stop and
also meeting the underside of the comb bar, lock in
place with the cam lock lever by pushing the handle
downwards. The scribe line being at the top and at
the front of the positioned board, see fig 64.
0.3
Fig 64
10. Reposition the extraction support bar, due to that
fact that this cut uses a straight cutter it is possible to
cut in more than one pass if using very hard material.
Position the router upon the jig, cut the workpiece
working from left to right, do not force the router, work
in a slow even movement as not to breakout the back
edge of the workpiece, see fig 67.
Summary of Contents for 506300
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