Jäger F62-M450.01 S21, Руководство пользователя

Страница: 33 / 36

Service and repairs
Item no. 10204237, Revision 00 33 ( 36 )
14.2 Malfunctions
The list below can be used to quickly investigate and eliminate faults.
HF spindle not rotating
Cause Troubleshooting
No
power supply
q Check the frequency converter.
q Check the machine.
q
Check all electrical connections.
q Check all wires in the motor cable.
q Activate the Start/Reset button.
Thermal protection has
been activated
q Wait until the HF spindle has cooled down.
q
Check the frequency converter for error messages. If no
messages are illuminated, start the frequency converter.
(See also “Spindle becomes hot [
}
33] ”.)
Frequency converter
has
shut down
q Check the error messages in the frequency converter man-
ual.
HF spindle becomes hot
Cause Troubleshooting
Insufficient cooling
q
Check the power of the chiller.
q Check the water level of the chiller.
q Check the connections and the cooling hoses.
q
Check the cooling circuit.
q Check the chiller for error messages.
Phase missing q Check all wires in the motor cable for cable breaks.
Machining too heavy
q
Check the rotational direction of the HF spindle.
q Check the rotational direction of the tool.
q
Check the tool for damage.
q Reduce the machining load intensity.
Frequency converter
incorrectly set
q
Compare the values for the HF spindle with the set values
on the frequency converter.
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 .
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.