Amada HFA-250 Operator's Manual page 135

Symptom
8 Saw blade teeth are
prematurely chipped or saw
blade runs out.
9 Saw blade runs out.
10 Saw blade runs out or
breaks.
11 Saw blade runs out.
12 Saw blade runs out.
13 Saw blade runs out.
14 Saw blade runs out.
15 Saw blade runs out.
16 Saw blade runs out.
17 Saw blade vibrates or runs
out.
18 Saw blade vibrates or runs
out.
19 Saw blade teeth are
prematurely chipped.
20 Saw blade teeth are clogged
and prematurely chipped.
21 Saw blade vibrates or runs
out.
22 Saw blade vibrates.
23 Saw blade runs out.
24 Saw blade runs out.
25 Saw blade teeth are
prematurely chipped.
Cause
Work surface is too hard or
work is not annealed.
Saw blade tooth pitch or
tooth form is not appropriate.
Saw blade tooth pitch is too
fine for width of work.
Saw blade tooth pitch is too
coarse for width of work.
Saw blade teeth are not
offset equally to left and right
or are unevenly worn.
Saw blade is not properly
center aligned.
Movable saw blade guide is
not securely locked.
Movable saw blade guide is
too apart from work.
Too many workpieces are
stack cut together.
Workpieces are not properly
stacked.
Work is not securely
clamped.
Chips are embedded in vise
jaw slide surface.
Chips are not properly
removed or cutting fluid is
insufficient.
Saw blade inserts are dirty.
Saw blade is in contact with
wheel flange.
Saw blade teeth are
unevenly worn.
Saw blade teeth are not
offset equally to left and
right.
Vise jaws are unevenly
worn.
Remedy
Remove hard surface on
another machine or anneal
work.
Select another saw blade.
Select another saw blade.
Select another saw blade.
Change saw blade for new
one.
Adjust perpendicularity of
saw blade.
Tighten its lock handle.
Bring it close to work.
Reduce number of
workpieces stack cut.
Properly stack them.
Check and reclamp it.
Clean to remove them.
Adjust cutting fluid flow rate
or add cutting fluid.
Clean and check them.
Adjust saw blade to proper
clearance.
Change saw blade for new
one.
Change saw blade for new
one.
Change them.
V-3