Porter-Cable 36-678 - Manual (Page 26)

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Fig. 58
Fig. 60
Fig. 58A
Fig. 59
H
G
W
H
USING MOULDING CUTTERHEAD
Moulding is cutting a shape on the edge or face of the
work. Cutting mouldings with a moulding cutterhead is a
fast, safe and clean operation.The many different knife
shapes available make it possible for the operator to
produce almost any kind of mouldings, such as various
styles of corner moulds, picture frames, table edges, etc.
The moulding head consists of a cutterhead in which can
be mounted various shapes of steel knives, (Fig. 58).
Each of the three knives in a set is fitted into a groove in
the cutterhead and securely clamped with a screw. The
knife grooves should be kept free of sawdust which
would prevent the cutter from seating properly.
FOR CERTAIN CUTTING OPERATIONS
(DADOING AND MOULDING) WHERE THE
WORKPIECE IS NOT CUT COMPLETELY THROUGH,
THE BLADE GUARD AND SPLITTER ASSEMBLY
CANNOT BE USED. LOOSEN SCREWS (G) AND (H)
FIG. 58A. LIFT UP AND SWING BLADE GUARD AND
SPLITTER ASSEMBLY (W) FIG. 59 TO THE REAR OF
THE SAW AND RETIGHTEN (H).
USE PUSHSTICKS, HOLD-DOWNS,
JIGS, FIXTURES, OR FEATHERBOARBS TO HELP
GUIDE AND CONTROL THE WORKPIECE WHEN THE
GUARD CANNOT BE USED.
NOTE: THE OUTSIDE ARBOR FLANGE CAN NOT BE
USED WITH THE MOULDING CUTTERHEAD.
TIGHTEN THE ARBOR NUT AGAINST THE
CUTTERHEAD BODY. DO NOT LOSE THE OUTSIDE
ARBOR FLANGE. IT WILL BE NEEDED WHEN
REATTACHING A BLADE TO THE ARBOR.
ALWAYS RETURN AND FASTEN THE
BLADE GUARD AND SPLITTER ASSEMBLY TO ITS
PROPER OPERATING POSITION FOR NORMAL
THRU-SAWING OPERATIONS AS SHOWN IN FIG. 39
1. A moulding cutterhead (A) Fig. 60 is shown assembled
to
the saw arbor. Also, the accessory moulding
cutterhead table insert (B) must be used in place of
the standard table insert.
2. When using the moulding cutterhead, add wood-
facing (C) to the face of the rip fence (Fig. 61). The wood-
facing is attached to the fence with wood screws through
holes which must be drilled in the fence. Stock that is
3/4
″ inch thick is suitable for most work, although an
occasional job may require 1 inch facing.
3. Position the wood-facing over the cutterhead with the
cutterhead below the surface of the table. Turn the saw
on and raise the cutterhead. The cutterhead will cut its
own groove in the wood-facing. Fig. 61 shows a typical
moulding operation.
NEVER USE MOULDING CUTTERHEAD
IN A BEVEL POSITION.
NEVER RUN THE STOCK BETWEEN THE
FENCE AND THE MOULDING CUTTERHEAD.
IRREGULAR SHAPED WOOD WILL CAUSE
KICKBACK.
ACCESSORY MOULDING CUTTERHEAD
A
B