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G1011 7" x 12'' Bandsaw -17-
Cutting Speed
Blade speed selection should be made according
to the material being cut. In general, the harder
the material the slower the blade speed. The
chart in Figure 12 provides a general reference.
Hard Materials -
High Speed steels,
stainless and heavy
cross section mat’l
Moderately Hard
- Tool, stainless and
alloy steels, bearing
bronzes
Moderately Soft
- Cast iron, mild
steel, hard brass
and bronze
Soft Materials -
Plastic, copper, soft
brass, aluminum,
other light materials
63
104
156
206
smallest
small
medium
large
large
medium
small
smallest
Material
Pulley Used
Speed
FPM
Motor
Saw
Figure 11. Cutting speeds and pulley selection.
The speed is changed by moving the V-belt onto
the different sized pulleys on the motor and the
saw. See Figure 12.
1. Remove the belt guard.
2. Loosen the motor tension knob.
3. Pull the motor over to relieve the belt
tension. Move the belt to one of the four
desired locations according to the speed
chart. Never cross the belt so it is diagonal
across the pulleys.
4. Tighten the motor tension knob.
5. Replace the belt guard.
Figure 12. Motor and saw blade pulleys.
DO NOT attempt to assemble, adjust, or
maintain this machine while it is running.
Turn off the switch, disconnect the bandsaw
from its power source and wait for all
moving parts to come to a complete stop
before attempting any adjustments or main-
tenance. Failure to do so could result in
serious injury.
Motor Pulleys
Saw Pulleys
Tension Knob