Struers Discotom-60, Instruction Manual

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Discotom-60 /-65
Instruction Manual
46
Error Explanation Action
The cut-off wheel wears down too
quickly. The rotational speed is too low. Increase rotational speed
(D-65 only).
The feed speed is too high. Reduce feed speed.
Insufficient cooling. Check that there is enough water in
the Recirculation Cooling Unit.
Check the cooling water hoses.
The cut-off wheel does not cut
through the workpiece. The rotational speed is too low. Increase rotational speed
(D-65 only).
The cut-off wheel is too soft for the
task See “Consumables” section, ‘Cut-off
Wheels’.
Incorrect choice of cut-off wheel. See “Consumables” section, ‘Cut-off
Wheels’.
Cut-off wheel worn. Replace the cut-off wheel.
The workpiece breaks when
clamped. The cut-off wheel gets caught in the
workpiece. Support the workpiece and clamp it
on both sides of the cut-off wheel so
that the cut stays open.
The workpiece is brittle. Place the workpiece between two
polystyrene plates.
Note! Always cut brittle workpieces
very carefully.
The sample is corroded The sample has been left in the
cutting chamber for too long. Remove the sample directly after
cutting. Leave the cutting chamber
hood open when you leave the
machine.
Insufficient additive for cooling fluid. Use Struers Additive for cooling
fluid in the cooling water at the
correct concentration. Check with a
refractometer. See “
Maintenance ”
section.