Amada MM-L300A, Original Instructions Manual

Page: 168 / 180

MM-L300A
12. Maintenance
12-13
(5) About the SU-N300A/SG-N300A
The
SU-N300A/SG-N300A
does not guarantee the absolute value.
The output intensity of the
SU-N300A/SG-N300A
can be used for comparison to the
relative value.
It assumes that waveform data can be always obtained with the same intensity under the
determined conditions (laser output, profile, workpiece, and surface state are the same).
Since the detection intensity also changes when the setting state changes, in order to
check that the
SU-N300A/SG-N300A
is normal, as shown in Fig. a, obtain waveforms
at any determined conditions by welding on reference workpieces or inputting reference
light source into the
SU-N300A/SG-N300A
. For reference light source, contact us.
For the obtained waveform, as shown in Fig. b, make the upper/lower limit setting in an
extremely narrow range. On the basis of this condition, make adjustment by Digital Gain
or Offset on the Maintenance Window so that the value always falls within a range.
Fig. a
Fig. b