Grizzly G0690 - Workpiece Inspection; Blade Requirements; Blade Selection

-34-
Model G0690/G0691 (Mfg. 11/10+)
The riving knife included with this machine is 0.1"
(2.5mm) thick and is only designed for 10" diam-
eter blades.
When choosing a main blade, make sure the
blade size meets the requirements listed below.
The thickness of the blade body and teeth can be
measured with calipers or any precision measur-
ing device.
Blade Size Requirements:
• Body Thickness: 0.071"-0.094" (1.8-2.4mm)
• Kerf (Tooth) Thickness: 0.102"-0.126"
(2.6-3.2mm)
Blade Requirements
Figure 44. Ripping blade.
Blade Selection
This section on blade selection is by no means
comprehensive. Always follow the saw blade
manufacturer's recommendations to ensure safe
and efficient operation of your table saw.
Ripping Blade Features:
•
Best for cutting with the grain
•
20-40 teeth
•
Flat-top ground tooth profile
•
Large gullets for large chip removal
Flat
Top
Blade
Workpiece
Inspection
Some workpieces are not safe to cut on this
machine or may need to be modified before they
can be safely cut. Before cutting, inspect all
workpieces for the following:
• Material Type:Thismachineisintendedfor
cutting natural and man-made wood prod
-
ucts, laminate covered wood products,
and
someplastics.Cuttingdrywallor
cementitious
backerboardcreatesextremelyfinedust
and
may reduce the life of the motor
bearings.
ThismachineisNOTdesignedtocut
metal,
glass,stone,tile,etc.;cuttingthese
materials
withatablesawgreatlyincreasestherisk
of
injuryanddamagetothesaworblade.
•
Foreign Objects: Nails, staples, dirt,
rocks
and other foreign objects are often embed
-
ded in wood. While cutting, these
objects
canbecome dislodged and hit the
operator,
cause kickback, or break the blade,
which
mightthen fly apart. Always visually
inspect
yourworkpiecefortheseitems. Iftheycan’
t
beremoved,DONOTcuttheworkpiece.
•
Large/Loose Knots: Loose knots
can
become dislodged during the cutting opera
-
tion. Large knots can cause kickback
and
machine damage. Choose workpieces
that
donothavelarge/looseknotsorplan
ahead
toavoidcuttingthroughthem.
•
Wet or “Green” Stock:Cuttingwoodwith
a
moisturecontentover20%causesunneces
-
sarywearontheblades,increasestherisk
of
kickback,andyieldspoorresults.
•
Excessive Warping:Workpieceswithexces
-
sivecupping,bowing,ortwistingaredanger
-
ous to cut because they are unstable
and
maymoveunpredictablywhenbeingcut.
•
Minor Warping:Slightlycupped
workpieces
can be safely supported with cupped
side
facing the table or fence; however, work
-
piecessupportedonthebowedsidewill
rock
duringthecut,whichcouldcausekickback.