Y
D
E
M
E
R
E
S
U
A
C
M
E
L
B
O
R
P
UNEVEN SEGMENT WEAR
●
(In wet cutting) Insufficient water
●
Flush water system.
(usually on one side of blade).
●
Check flow to both sides of blade.
●
Equipment defects also can cause
●
Replace bad bearings, worn arbor
the segments to wear unevenly.
shaft or misalignment to spindle.
●
Saw head is misaligned.
●
Check alignment for squareness,
both vertically and horizontally, of
the saw blade.
SEGMENT CRACKS
●
Blade is too hard for material
●
Use a blade with a softer
.
x
ir
t
a
m
/
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n
o
b
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u
c
g
n
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e
b
SEGMENT LOSS
●
Blade overheats because of lack of
●
(Wet Cutting) Check water lines.
coolant (water or air).
●
Make sure flow is adequate on
●
Core is worn from undercutting.
both sides of blade and there are
●
Defective collars/flanges set blade
no blockages
out of alignment.
●
Use sufficient water to flush
●
Blade is too hard for material
out the cut.
being cut.
●
(Dry Cutting) Run blade free of
●
Blade is cutting out of round,
cut periodically to air cool.
causing a pounding motion.
●
Clean collars/flanges or replace
●
Improper blade tension.
if they are under recommended
diameter.
●
Use proper blade specification
for material being cut.
●
Replace worn bearings; realign
blade shaft or replace worn blade
mounting arbor.
●
When ordering blades match
shaft speed of saw.
●
Check spindle speed to ensure
blade is running at correct RPM.
●
Avoid twisting or turning blade
in the cut.
CRACKS IN CORE
●
Blade flutters in cut as a result of
●
Tighten the blade shaft nut.
losing blade tension.
●
Make sure blade is running at
●
Blade specification is too hard for
proper speed and that drive pin
the material being cut.
is functioning properly.
●
Use a softer bond/matrix to
eliminate stress.
LOSS OF TENSION
●
Core overheating.
●
Make certain blade RPM
●
Core overheating as a result of
is correct.
blade spinning on arbor.
●
Check water flow, distribution
●
Core overheating from rubbing the
and lines.
material being cut.
●
Tighten the blade shaft nut.
●
Unequal pressure at blade clamping
Make certain the drive pin
.
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it
c
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u
f
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i
.
s
e
g
n
a
lf
/
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r
a
ll
o
c
●
Blade is too hard for the material
●
Properly align the saw to
.t
u
c
e
r
a
u
q
s
.t
u
c
g
n
i
e
b
●
Collars/flanges must be
identical in diameter and
identical in diameter and
the recommended size.
●
Use a softer bond/matrix to
reduce stress.
III MAINTAINENACE - TROUBLESHOOTING
7