8 System Setup
8.21Preventive Maintenance Function
8-167
182582-1CD
182582-1CD
MH900, DX200 Controller
4. Move the cursor over the “=WARNING” to invalidate the desired axis,
and select [Select]. [Invalid] and [Valid] will alternate each time when
press the [Select].
8.21.2.2 Diagnose by the Torque Average Value
Diagnosis Element
Monitors the torque waveform during the job operation, and calculates the
average value of the vibration amplitude by extracting the waveform from
the torque arising from the speed reducer. This data is called the torque
average value, and it is the basis data to diagnose the lifetime. The
following chart shows the lifetime curved line according to the torque
average value and the operation hours.
As the condition of the speed reducer is changing to “deterioration” from
“normal operation”, the torque element changes to “increase” from
“normal”. It is estimated that the speed reducer is in the deterioration
period as the number of the torque element is increasing by the
deterioration of the speed reducer.
Torque average value
Lifetime curved line
Started operation
Normal operation
Deterioration
Lifetime curved line
Failure
Operation hours
Running in
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