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Trouble or fault
Excessively high dia-
mond bead wear.
Uneven / one-sided
wear of the sawing wire.
The diamond wire col-
lapses, i.e. the beads
are pushed together on
the wire.
The diamond wire
is pulled out of the
crimped connector.
Possible cause
Too little cooling / flushing
water (dust generated).
Wire tension is too high for
the length of cutting contact.
Very abrasive material.
The wire was not twisted
before connecting the ends
together.
Inadequate cooling of the
sawing wire
The diamond wire jams sud-
denly while sawing.
Wrong or inadequate crimp-
ing pliers used.
The crimping jaws of the
pliers are worn.
The wire end was not
pushed far enough into the
connector.
The connector was crimped
too far back or too far for-
ward.
Action to be taken
▶ Direct the water exactly
onto the wire and into the
kerf.
▶ Increase the water flow.
▶ Increase the length of cut
and / or reduce the wire
tension.
▶ Use a different wire
specification.
▶ Twist the diamond wire
approx.
half a turn
counterclockwise (looking
at the end of the wire)
per meter length of wire
before connecting the
ends.
▶ Make sure that sufficient
water reaches the points
where the wire is cutting.
▶ Stop cutting and allow to
cool.
▶ Prevent movement of the
part being cut.
▶ Observe the correct
cutting sequence.
▶ Remove loose material
from the kerf.
▶ Use the crimping pliers
recommended by the
connector manufacturer.
▶ Renew the crimping jaws.
▶ Push the wire into the
connector up to the first
stop.
▶ Cut the wire end exactly at
right angles and remove
an adequate length of the
plastic coating.
▶ Crimp the connector
exactly at the position
specified by the connector
manufacturer.
English
33
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