Woodstock W1820 - Manual (Page 49)

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Workpiece
Fence
Dado Blade
Sacrificial Fence
=`^li\-*%Rabbet cutting with a dado
blade
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Commonly used in furniture joinery, a rabbet is an
L-shaped groove cut in the edge of the workpiece.
Rabbets can be cut with either a dado blade or a standard
saw blade.
Rabbet cutting on the edge of the workpiece requires a
sacrificial fence attachment as shown in
=`^li\-). Make
the sacrificial fence the same length as the fence and
3 ⁄
4
" thick. Attach it to the fence with screws or clamps,
making sure they are all secure and tight. Raise the
blade into the sacrificial fence to the height needed.
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(% DISCONNECT THE SAW FROM POWER!
)% Adjust the dado blade to the height needed for the
rabbeting operation. When cutting deep rabbets, take
more than one pass to reduce the risk of kickback.
*% Adjust the fence and align the workpiece to perform
the cutting operation, as shown in =`^li\-*.
+% Reconnect the saw to the power source and turn
the saw FE. When the blade has reached full speed,
perform a test cut with a scrap piece of wood.

— If the cut is satisfactory, repeat the cut with the
final workpiece.
Dado blades have a higher risk of kickback than normal
blades because their larger size applies stronger force
to the workpiece. This risk increases relative to the
depth and width of the cut. To minimize your risk of
serious personal injury, ensure that the stock is flat
and straight, and make multiple light cuts (rather than
one deep cut) to achieve the desired cutting depth.