One Plane Balancing with a Strobe Light
dataPAC User’s Guide
173
6.
Press <STORE> to take a trial weight measurement.
Note:
You may get a warning after applying the trial weight if the original 1X vector does not
change significantly. If this happens, you are given the choice to Continue or Backup.
You can Backup and add more weight if you want.
7.
Press the trigger on the strobe, and enter the machine speed and adjust the reference
mark as before.
8.
When the marker appears to be frozen, press <STORE>.
9.
Adjust the position of the mark back to the zero position.
10. Press <STORE> to complete the measurement.
11. When the trial weight measurement is complete, shut down the machine and remove
the trial weight from the rotor. Continue the balancing procedure in the next section.
Adding the Correction Weight and Taking a Residual Measurement
1.
The dataPAC has calculated and now displays a recommended balancing weight
labeled “Correction” on the dataPAC display. Attach correction weight according to the
display. The “Position” column indicates where to attach the correction weight.
z
For rotors with zero positions the position is shown in degrees, in the direction of
rotation set in Weight Placement, from the 0° mark.
z
For rotors with multiple “positions” or vanes, the Position column indicates on
which positions the weights must be added. The 0° position is considered position
1, and the other positions are numbered sequentially, in the direction of rotation.
Note:
Always view the direction of rotation from the same point.
0
45
90
135
180
225
270
315
0
45
90
135
180
225
270
315
direction of
rotation
direction of
rotation
weight
weight
WITH rotation
AGAINST rotation
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