Jäger Z80-M440.25 S5A, Manual

Page: 34 / 36

Service and repairs
Item no. 10204047, Revision 03 34 ( 36 )
HF spindle becomes loud
Cause Troubleshooting
Tool unsuitable
q Only use balanced tools.
(Also see the "Tools for high speed cutting [ } 28] " section.)
q
Check the tool for damage.
q Replace damaged tool.
HF spindle is not
clamped truly or is dis-
torted
q Only use spindle holders from the original accessories or
holders produced according to the tolerances specified by
Nakanishi Jaeger GmbH .
HF spindle clamped
too tightly
q
Only tighten the clamping screws of the spindle holder
manually.
q Do not use technical aids to clamp the HF spindle.
Bearings damaged q Contact Nakanishi Jaeger GmbH service.
Sensor does not send any
signals
Cause Troubleshooting
No connection to sen-
sor
q
Check the lines and connections.
HF spindle vibrates/
oscillates
Cause Troubleshooting
Tool unsuitable
q Only use balanced tools.
(Also see the "Tools for high speed cutting [ } 28] " section.)
q
Check whether the tool is suitable for the application.
q Check the tool for damage.
q
Replace damaged tool.
Contamination
q Remove all contamination between the tool taper and shaft
of the HF spindle.
(Observe all points in the “Tool change [
}
26] ” and “Mainte-
nance [ } 29] ” sections.)
Frequency converter
incorrectly set q Compare the values for the HF spindle with the set values on
the frequency converter.
Machining too heavy
q
Reduce the machining load intensity.
Mounting screws are
loose
q Tighten the screws securely.
HF spindle damaged q Contact Nakanishi Jaeger GmbH service.
If the error is not rectified after checking all of the points, contact the relevant
service partner.
Ü Request the accompanying note for the repair from the service partner.
Ü Check the manual of the machine.
Ü
Contact the manufacturer of the machine.