Delta 36-650 Instruction Manual download pdf (Page 25)

RIPPING

Ripping is the operation of making a lengthwise cut

through a board, as shown in Fig. 82, 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 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 and push it along the

fence and into the saw blade as shown in Fig. 82. 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. 83. 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. 83A.

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. 84. 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. 82

Fig. 83A

Fig. 83

Fig. 84

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Delta 36-650 Instruction Manual Page 25

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