Craftsman 320.27683 Operator's Manual Page 31

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Top Edge Shaping Fig. 22a
Whenever the workpiece thickness, together
with the desired depth of cut (as adjusted by
router depth setting) are such that only the
top part of the edge is to be shaped (leaving
at least a 1/16-in. thick uncut portion at the
bottom), the pilot can ride against the uncut
portion, which serves to guide it (Fig. 22).
Whole Edge Shaping Guide Board
If the workpiece is too thin or the bit is set so
low that there will be no uncut edge against WHOLE EDGE SHAPING
which to ride the pilot, an extra board must be
placed under the workpiece to act as a guide (see Fig. 22a). This "guide" board
must have exactly the same contour - straight or curved - as the workpiece
edge. If it is positioned so that its edge is flush with the workpiece edge, the bit
will make a full cut (in as far as the bit radius). On the other hand, if the guide
is positioned so that it extends beyond the edge of the workpiece), the bit will
make less than a full cut - which will alter the shape of the finished edge.
NOTE: The size (diameter) of the pilot that is used determines the maximum cut
width that can be made with the pilot against the workpiece edge (the small pilot
exposes the entire bit; the large one reduces this amount by 1/16-in.). Any of the
piloted cutter bits can be used without a pilot for edge shaping with guides.
_, WARNING: Always securely clamp your workpiece and keep a firm grip on
the router base with both hands at all times. Failure to do so could result in loss
of control causing possible serious personal injury.
FEEDING THE ROUTER (Fig .23)
The secrets to professional
routing are a careful set-up for
the cut, selecting the proper
depth of cut, knowing how
the cutter bit reacts in your
workpiece, and the rate and
direction of feed of the router.
DIRECTION OF FEED -
EXTERNAL CUTS
The cutter bit rotates clockwise.
Feeding the bit from left to right
will cause the bit to pull the
router towards the workpiece
(see Fig. 23). If the router is fed
in the opposite direction (right
Fig. 23 ROUTER FEED DIRECTION
i(
)
ROUTER FEED DIRECTION
to left), the rotating force of the cutter bit will tend to throw the bit away from the
workpiece.
This is called "Climb-Cutting." "Climb-Cutting" may cause loss of control,
27683 ManuaLRevised_11-0120 Page 31
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