Grizzly G0664 owner manual Blade Selection, Blade Terminology, Blade Pitch TPI

Blade Selection

Selecting the right blade for the cut requires a knowledge of various blade characteristics.

Blade Terminology

		A
	B
		C
D	E	F	H
		G	I

Figure 34. Bandsaw blade terminology.

A.Kerf: The width of cut made by the blade dur- ing cutting.

B.Tooth Set: The distance each tooth is bent left or right from the blade edge.

C.Gauge: The thickness of the blade (not including the tooth set).

D.Blade Width: The widest point of the blade measured from the tip of the tooth to the back edge of the blade.

E.Tooth Rake: The angle of the tooth face from a line perpendicular to the length of the blade.

F.Gullet Depth: The distance from the tooth tip to the bottom of the curved area (gullet).

G.Tooth Pitch: The distance between tooth tips.

H.Blade Back: The distance between the bot- tom of the gullet and the back edge of the blade.

I.TPI: The number of teeth per inch measured from gullet to gullet.

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Blade Pitch (TPI)

The chart below is a basic starting point for choos- ing teeth per inch (TPI) for variable tooth pitch blades and standard raker set bi-metal blades/ HSS blades. However, for exact specifications of bandsaw blades that are correct for your opera- tion, contact the blade manufacturer.

To select the correct blade pitch:

1.Measure the material thickness. This mea- surement is the length of cut taken from where the tooth enters the workpiece, sweeps through, and exits the workpiece.

2.Refer to the "Material Width/Diameter" row of the blade selection chart in Figure 35, and read across to find the workpiece thickness you need to cut.

				Material Width/
^cX]			bb	Diameter
'			*%	Material Shapes
(	($)	*$-
			,*
)		)$+	&%%
*	'$(
+			&*%
,			'%%
-
.		($)	'*%	Blade Pitch
&%	&#)$			Chart
&&
	'#*		(%%
&'
&(			(*%
&)
&*		'$(
&+	&#*$		)%%
&,
	#-		)*%	Ideal Blade Teeth
&-
				Per Inch (TPI)
&.

Figure 35. General guidelines for blade selection

and speed chart.

3.Refer to the "Material Shapes" row and find the shape of the material to be cut.

4.In the applicable row, read across to the right and find the box where the row and column intersect. Listed in the box is the minimum TPI recommended for the variable tooth pitch blades.

G0664 Heavy Duty Metal-Cutting Bandsaw