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Fig. 53
A
RIPPING
Ripping is cutting lengthwise through a board, (Fig. 53).
NOTE: Be sure the material to be cut is seasoned, dry and
flat. 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 BLADE GUARD MUST BE
USED. ON DELTA SAWS, THE GUARD HAS ANTI-
KICKBACK FINGERS TO PREVENT KICKBACK AND A
SPLITTER TO PREVENT THE WOOD KERF FROM
CLOSING AND BINDING THE BLADE. BE SURE TO
REPLACE OR SHARPEN THE ANTI-KICKBACK
DEVICES WHEN THE POINTS BECOME DULL.
A RIP FENCE SHOULD ALWAYS BE
USED FOR RIPPING OPERATIONS. NEVER
PERFORM
A RIPPING OPERATION FREE-HAND.
Fig. 56
Fig. 54
Fig. 55
1. 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. When the rip width is 6 inches or
wider, hold the work with both hands and push it along
the fence and into the saw blade (Fig. 53). The work
should then be fed through the saw blade with the right
hand. Only use the left hand to guide the workpiece.
Do not feed the workpiece with the left hand. After the
work is beyond the saw blade and anti-kickback
fingers, remove hands from the work.
2. When this is done the work will either stay on the table,
tilt up slightly and be caught by the end of the rear
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 along the outside edge of
the fence. The cut-off stock remains on the table and is
not touched until the saw blade has stopped, unless it
is a large piece allowing safe removal. When ripping
boards longer than three feet, use a work support at
the rear of the saw to keep the workpiece from falling
off the saw table.
3. If the ripped work is less than 6 inches wide, a push
stick should always be used to complete the feed, as
shown in Fig. 54. The push stick can easily be made
from scrap material as explained in the section
“CONSTRUCTING A PUSH STICK.”
4. Ripping narrow pieces can be dangerous if not done
carefully.
WHEN THE PIECE IS TOO NARROW FOR
A PUSH STICK TO BE EFFECTIVE - AND IF THE
WORKPIECE IS SHORT ENOUGH - USE A
PUSHBOARD. WHEN RIPPING MATERIAL UNDER 2
INCHES IN WIDTH, ORDINARY PUSH STICKS MAY
INTERFERE WITH THE BLADE GUARD.
When using a pushboard, the width of the pushboard must
be added to the width of the rip fence position setting.
A flat pushboard can be constructed as shown in Fig.
55 and should be used as shown in Fig. 56. NOTE:
GUARD REMOVED FOR CLARITY. ALWAYS USE
THE GUARD.
NOTE: Some special operations (when using the moulding
cutterhead) require the addition of an auxiliary wood
facing to the fence, as explained in the section “USING
AUXILIARY WOOD FACING” and use of a push stick.