V-2
OPERATING TROUBLES
The saw blade is consumable. It is certain to reach the end of its life
after cutting so many workpieces. If its life is extremely short, the
following causes may be considered according to symptoms. Remove
the cause of the trouble, and continue correct cutting. Similarly remedy
other symptoms.
Checkpoints for improving cutting accuracy
• The saw blade is properly center aligned.
• The saw blade insert clamp levers are not loose.
• The saw blade inserts are not worn.
• The backup rollers are not worn.
• The saw blade is properly tensioned.
• The saw blade tooth pitch is suitable for the shape and material of the
work to be cut.
• The saw blade tooth form is suitable for the shape and material of the
work to be cut.
• The cutting rate is not too high.
• The saw blade running speed is not too high.
• The cutting fluid is not insufficient or thin.
• The saw blade is properly run in.
Symptom Cause Remedy
1 Saw blade runs out or
vibrates.
Saw blade is new and is not
run in.
Run it in.
2 Saw blade runs out or
vibrates.
Saw blade running speed is
too high.
Reset it.
3 Saw blade runs out. Saw blade running speed is
too low.
Reset it.
4 Saw blade vibrates or
breaks.
Cutting rate is too high. Check saw blade running
speed and sawhead
downfeed speed.
5 Saw blade runs out or
breaks.
Cutting rate is too low. Turn FLOW CONTROL dial
toward “10”.
6 Saw blade vibrates. Work surface is too rough. Turn outside of work on
another machine.
7 Saw blade teeth are
prematurely chipped or
worn.
Chips appear blue or violet. Reduce cutting rate and saw
blade running speed.
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