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10. Malfunctions
Unstable pneumatic
pressure
Check pneumatic pressure; readjust
pressure monitoring as necessary
Faulty machine start-up
Knife is clamped incorrectly Clamp knife correctly onto holder
plate
Wrong safety distance
entered in program
Check program
Offset values for start
entered in the program
Check values in the program
Machine moves towards a
grinding wheel
Shim underneath grinding
wheel
Check grinding wheel
Y axis offset entered
Check program
10.1.3 Measuring
Malfunction
Fault
Remedy
Measuring is not working
Laser does not locate any
knife
Knife is too small, laser is measuring
next to the knife, laser is located on
a nick
Wrong knife thickness and
offset entered
Laser in not positioned on the focal
point, check data
10.1.4 Serrating
Malfunction
Fault
Remedy
Tooth shape is not
pronounced
Wrong profiling wheel is
mounted (too thin)
Check profiling wheel
Profiling wheel is worn out
Change profiling wheel
Tooth shape is not ground
in deep enough
In the program under “Feed”,
correct the step for depth
Grinding angle of the
tooth shape has changed
Reset the depth in the step
Knife was not measured
previously with the laser
Grind out the teeth and measure
the knife afresh
One or more teeth are missing
at the beginning
Knife contour start offset is
incorrect
Correct the start offset in the
respective step of the program
One or more teeth are missing
in the end
Knife contour end offset is
incorrect
Correct the end offset in the
respective step of the program
Tooth offset during
re-serration
Teeth were not serrated
with the machine the first
time
Different division; teeth must be
ground out; correct with start offset;
shift knife contour a little bit
