Struers Unitom-50, Instruction Manual

Page: 38 / 225

Unitom-50
Instruction Manual
34
Error Explanation Action
The cut-off wheel does not cut
through the sample. Incorrect choice of cut-off wheel. See Consumables Section, Cut-off
Wheels.
Cut-off wheel worn. Replace the cut-off wheel.
Diameter of cut-off wheel too small. Change to a cut-off wheel with
another diameter, e.g. ø350 mm.
The cut-off wheel gets caught in the
workpiece. Support the workpiece and clamp it
on both sides of the cut-off wheel in
such a way to allow the cut to stay
open.
The cutting is stopped by the
AutoStop function. Set AutoStop to Off in the
configuration.
The stop position is set too low. See Basic Operation Section,
Stopping the cutting.
The workpiece breaks when
clamped. The workpiece is brittle. Place the workpiece between two
polystyrene plates.
NB! Always cut brittle workpieces
very carefully.
The sample is corroded. The sample is not resistant to water. Use a neutral liquid as cooling fluid
or cut without using cooling fluid at
all.
DO NOT USE AN
INFLAMMABLE LIQUID
(You may lift the pump carefully out
of the recirculation cooling unit).
The sample has been left in the
cutting chamber for too long. Leave the protection guard open,
when you leave the machine.
Insufficient additive for cooling fluid. Add Struers Additive for cooling fluid
to the cooling water in the correct
concentration. Check with a
refractometer. See Maintenance
Section.