Delta 36-714B Instruction Manual download pdf (Page 39)

RIPPING

Ripping is the operation of making a lengthwise cut

through a board, as shown in Fig. 136, and the rip fence

(A) is used to position and guide the work. One edge of

the work rides against the rip fence while the flat side of

the board rests on the table. Since the work is pushed

along the fence, it must have a straight edge and make

solid contact with the table. The saw guard must be used.

The guard has anti-kickback fingers to prevent wood

kickback, and a splitter to prevent the wood kerf from

closing and binding behind the blade.

Start the motor and advance the work holding it down

and against the fence. Never stand in the line of the saw

cut when ripping. Hold the work with both hands and

push it along the fence and into the saw blade as shown

in Fig. 136. The work can then be fed through the saw

blade with one or two hands. After the work is beyond the

saw blade and anti-kickback fingers, the hand is removed

from the work. When this is done the work will either stay

on the table, tilt up slightly and be caught by the rear end

of the guard or slide off the table to the floor. Alternately,

the feed can continue to the end of the table, after which

the work is lifted and brought back along the outside

edge of the fence. The cut-off stock remains on the table

and is not touched with the hands until the saw blade is

stopped, unless it is a large piece allowing safe removal.

When ripping boards longer than three feet, it is

recommended that a work support be used at the rear of

the saw to keep the workpiece from falling off the saw

table.

If the ripped work is less than 4 inches wide, a push stick

should always be used to complete the feed, as shown in

Fig. 137. The push stick can easily be made from scrap

material as explained in the section “CONSTRUCTING A

PUSH STICK.” When ripping material under 2 inches in

width, a flat pushboard is a valuable accessory since

ordinary type sticks may interfere with the blade guard.

That flat pushboard can be made as shown in Fig. 79A.

Fig. 136

Fig. 137

USING ACCESSORY

MOULDING CUTTERHEAD

Moulding is cutting a shape on the edge or face of the

work. Cutting mouldings with a moulding cutterhead in

the circular saw 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, as shown in

Fig. 138. 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.

Fig. 138

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Delta 36-714B Instruction Manual Page 39

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