struers Exotom-100 Gebrauchsanweisung Seite 43

Error
Cutting Problems
Discoloration or burning of the
sample.
Unwanted burrs.
The cutting quality differs.
The cut bends to one side.
The cut-off wheel breaks.
The cut-off wheel wears down too
quickly.
Exotom-100
Instruction Manual
Explanation
The hardness of the cut-off wheel is
inappropriate for the hardness /
dimensions of the sample.
Inadequate cooling.
Feed Speed too high.
Wheel too hard.
Insufficient support of workpiece.
Cooling water hose clogged.
Insufficient cooling water.
Feed Speed is too high.
Incorrect mounting of the cut-off
wheel.
Incorrect clamping of the workpiece.
Wheel too hard.
Feed Speed too high.
Inadequate cooling.
Feed Speed too high.
Insufficient cooling.
The cut-off wheel is too soft for the
task.
Exotom-100 vibrates (worn
bearings).
Action
See Consumables section, Cut-off
Wheels.
Check that there is enough water in
the recirculation cooling unit.
Check the condition of the cooling
tray.
Reduce the Feed Speed.
See Consumables section, Cut-off
Wheels.
Add further support to the
workpiece.
Clean the cooling water hose and
the cooling tube. Check the water
flow by turning the cooling valve to
cleaning position.
Refill tank with water. Remember to
add Struers Additive.
Reduce the Feed Speed.
Check that the centre-hole has the
correct diameter.
Check cardboard washer on both
sides of the cut-off wheel. The nut
must be tightened properly.
Make sure that only one of the
quick-clamping devices is tight. The
other device should only press
lightly.
Use support tools if the geometry of
the workpiece makes support
necessary.
See Consumables section, Cut-off
Wheels.
Reduce the Feed Speed.
Check that there is enough water in
the recirculation cooling unit.
Check the cooling water hoses.
Reduce the Feed Speed.
Check that there is enough water in
the recirculation cooling unit.
Check the cooling water hoses.
See Consumables section, Cut-off
Wheels.
Call Struers service technician.
37