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M1048 10" x 18" Metal Cutting Bandsaw
OPERATIONS
Blade Selection
Material Width/Diameter
Material Shapes
Teeth Per Inch Variable Pitch Blades
Figure 20. Model M1048 Blade selection and speed chart.
The Model M1048 uses 129
3
⁄8" x 1
1
⁄16" bandsaw
blades.
Selecting the right blade for the job depends on
a variety of factors, such as the type of mate
-
rial being cut, hardness of the material, material
shape machine capability, and operator technique.
The chart below is a basic starting point for
choosing blade type based on teeth per inch (TPI)
for variable tooth pitch blades and for standard
raker type bi-metal blades/HSS blades. However,
for exact specifications of bandsaw blades, con-
tact the blade manufacturer
.
To select the correct blade TPI do these steps:
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
20 and read across to find your workpiece
thickness you need to cut
.
3. Refer to the "Material Shapes" row and find
the shape and 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 vari
-
able tooth pitch blades.
5. The "Cutting Speed Rate Recommendation"
section of the charts offers guidelines for
various metals, given in feet per minute
(speed FPM) and meters per minute in
parenthesis. Choose the speed closest to
the number shown in the chart.