Blade Selection - Grizzly G0812 Owner's Manual

Blade Selection

Selecting the right blade for the cut requires a
knowledge of various blade characteristics.
Blade Terminology
B
E
D
F
G
Figure 22. Bandsaw blade terminology.
A. Kerf: The amount of material removed by the
blade during cutting.
B. Tooth Set: The amount each tooth is bent
left or right from the blade.
C. Gauge: The thickness of the blade.
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. Blade Pitch or TPI: The number of teeth per
inch measured from gullet to gullet.
-24-
A
C
H
I
Blade Length
Measured by the blade circumference, blade
lengths are usually unique to the brand of bandsaw
and the distance between the wheels.
Model
G0812 ............................................ 149
Blade Width
Measured from the back of the blade to the tip of
the blade tooth (the widest point).
Model
G0812 ............................................................... 1"
Tooth Type
The most common tooth types are described as
follows, and illustrated in Figure 23.
Standard (or Raker)
Variable Pitch (VP)
Figure 23. Bandsaw blade tooth types.
Standard or Raker: Equally spaced teeth set at
a "0" rake angle. Recommended for all purpose
use.
Variable Pitch (VP): Varying gullet depth and
tooth spacing, a "0" rake angle, excellent chip
removing capacity, and smooth cutting.
Model G0812 (Mfd. Since 2/16)
Blade Length Range
⁄ "–150 ⁄ "
3 1
4 4
Blade Width