Chapter 3
213
VEE Measurement Program Operation
Measurement
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4. Click [Return] button to return to Measure menu.
NOTE
Allowable error is about
±
10 mm for the radius direction and about
±
5 mm for the skew
direction. In case that the head position is too far away from the assumed position, the error
“hpe5022_ERROR_PEAK_NOT_FOUND” will take place.
After finishing the alignment, the result is written to the alignment log file. The log file is
generated to “<INSTALL DIR>\bin\AutoAlignDown.log” for down face, and “<INSTALL
DIR>\bin\AutoAlignUp.log” for up face. Where “<INSTALL DIR>” is the directory
where the E5022/E5023 software is installed (C:\Program Files\Agilent\E5022).
When the alignment is failed, error log file is generated to “<INSTALL
DIR>\bin\error.log.”
Auto alignment must be performed for both up face and down face HGAs.
Rough tune
Finding the skew = 0
°
position by searching the
written track.
Fine tune first step
Searching the skew = 0
°
, +3
°
,
−
3
°
positions on the
track and calculating the spindle center position.
Fine tune at skew = 0,
“step 1 positive,” “step 1
negative”
Searching the skew = 0, “step 1 positive” and
“step 1 negative” positions on the track and
calculating the spindle center position. The “step 1
positive” and “step 1 negative” values are set by
[Step 1] button.
Fine tune at skew = 0,
“step 2 positive,” “step 2
negative”
Searching the skew = 0, “step 2 positive” and
“step 2 negative” positions on the track and
calculating the spindle center position. The “step 2
positive” and “step 2 negative” values are set by
[Step 2] button.
Storing data
Storing the obtained spindle center coordinates data
in the non-volatile memory of the spinstand.
Finished
The auto alignment is completed.
Error occurred
An error occurred during the auto alignment.
Status Message
Process
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