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Blade Tensioning
Blade Tensioning
NOTICE
To prolong blade life, release the tension on
the blade if the machine will be idle for an
extended period of time.
proper blade tension reduces the risk of blade
breakage and improves cutting performance.
Note: The most accurate way to check blade ten-
sion is to use the Model H5408 Blade Tensioning
Gauge (see Accessories on Page 39).
to tension the blade, turn the blade tension
handwheel until the blade tension gauge reads
between 25,000 and 28,000 psi.
-36-
Blade Care &
Break-In
Blade Care
a bandsaw blade is a delicate piece of steel that
is subjected to tremendous strain. you can obtain
longer use from a bandsaw blade if you give it fair
treatment and always use the appropriate feed
rate for your operation.
Be sure to select blades with the proper width, set,
type, and pitch for each application. the wrong
choice of blades will often produce unnecessary
heat and will shorten the life of your blade.
a clean blade will perform much better than a dirty
blade. dirty or gummed up blades pass through
the cutting material with much more resistance
than clean blades. this extra resistance also
causes unnecessary heat.
Blade Break-In
the sharp teeth tips and edges of a new blade are
extremely sharp, and cutting at full feed rate may
cause fracturing of the beveled edges of the teeth
and premature blade wear.
To properly break-in a new Grizzly blade:
1.
Choose the correct speed for the blade and
material of the operation.
2.
reduce the feed pressure by half for the first
50–100 in
of material cut.
2
3.
to avoid twisting the blade when cutting,
adjust the feed pressure when the total width
of the blade is in the cut.
4.
use the Chip Inspection Chart on page 35
to check the blade efficiency.
g0664 heavy duty Metal-Cutting Bandsaw
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