11: TROUBLESHOOTING
©Tormach® 2020
Specifications subject to change without notice.
Page 51
UM10538: Tormach AF50 Autofeed Bandsaw (Version 0320A)
For the most recent version, see tormach.com/support
11.1.1 Blades Break Too Frequently
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Problem
Blades break more often than expected when cutting materials.
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Cause
The feed rate may be too high, you may be using the wrong blade, or you may need to make adjustments to the blade or
workpiece.
You May Need
To...
Probability
How-To Steps
Need More?
Clean the
bandsaw.
High
Examine the bandsaw for chip build-up between the
blade and it's wheels. If necessary, clean it of chips.
For information, see "Machine
Adjust the feed
rate.
High
Verify that the feed rate isn't too high: lower the feed
rate, and then do a test cut. Examine the behavior of
the machine as it cuts.
For information, see "Change the
Raise the
vertical quick-
adjustment nut.
High
During automatic operation, verify that the blade can't
collide with the material while it initially lowers: raise
the vertical quick-adjustment nut. The blade can break
or stall when it drops from the raised position and then
collides with the part before the feed rate is controlled.
For information, see "Use
Examine the
blade, material,
and size of cut.
High
Verify that the blade's TPI isn't too fine or too course
for the size and type of material being cut. If not, you
may need to choose a new blade.
Verify that the blade isn't dulling too quickly.
For information, see "Choose a
Blade" (page 28) and "Blades Dull
Adjust the
blade's tension.
Medium
Verify that the blade isn't too tight or too loose
between the wheels. If necessary, use the tensioner on
the top of the saw head to adjust the blade's tension.
For information, see "Change a
Move the blade
above the
workpiece.
Medium
During manual operation, verify that the blade isn't on
the workpiece when the operation begins: you must
move the blade above the workpiece before you begin
cutting.
For information, see "Use Manual
Examine the
workpiece setup.
Low
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Manual Operation
Verify that the workpiece
isn't too loose: use the handwheel to tighten the
clamp on the front vise. If necessary, use a jig to
hold the workpiece.
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Automatic Operation
Examine the vise clamps:
verify that there is 1/8 in. or less of a gap
between the clamps and the material. Then,
verify that the vise jaw clamping pressure isn’t
set too low for the material.
For information, see "Use