6. TROUBLE SHOOTING GUIDE
The following charts contains some typical troubles along with the probable causes and remedies for each.
6.1 Sawing Problems and Solution
Vibration during cutting
Failure to cut
Short life of saw blade
Curved cutting
Broken blade
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Use of blade with incorrect pitch
Use blade with correct pitch,
suited to workpiece
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Failure to break-in saw blade
Perform break-in operation
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Excessive saw blade speed
Reduce speed
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Insufficient saw blade speed
Increase speed
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Excessive load
Reduce feed rate
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Insufficient load
Increase feed rate
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Insufficient saw blade tension
Increase tension
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Wire brush not working correctly
Relocate or replace
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Blade improperly guided by insert
Check and correct
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Improperly clamped workpiece
Check and correct
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Excessively hard material surface
Soften material surface
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Excessive cutting rate
Reduce cutting rate
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Non-annealed workpiece
Replace with suitable workpiece
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Insufficient or lean cutting fluid
Add fluid or replace
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Vibration near machine
Relocate machine
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Non-water soluble cutting fluid used
Replace
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Air in lift cylinder
Bleed air
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Broken back-up roller
Replace
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Use of non-specified saw blade Replace
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Fluctuation of line voltage
Stabilize
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Adjustable blade guide arm too far
from workpiece
Bring blade guide arm close to
workpiece
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Loose blade guide
Tighten
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Blue or purple saw chips
Reduce cutting rate
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Accumulation of chips at inserts Clean
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Reverse positioning of blade on
machine
Re-install
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Workpiece not bundled properly Re-bundle
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Back edge of blade too hard against
flange
Adjust wheel so that blade is just
firmly against flange
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Workpiece of insufficient dia.
Use other machine, suited for
diameter of workpiece
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Saw blade teeth worn
Replace
6 – 1
