4-53
ROTALIGN 01.2000
Horizontal machine alignment - move
Vertical movement
1. The accuracy-compromising effects of backlash—caused by tor-
sional play between shafts—can be reduced by rotating the
shafts so that the sensors are oriented in the move direction. For
vertical moves, this means that the sensors should ideally be
positioned in either the 12:00 or 6:00 position. The laser and
receiver MUST remain in the same position during a move.
Both front feet are
0.36 mm too high
Both rear feet are
0.38 mm too high
During the vertical move procedure it is recommended simply to
adjust the shims to the indicated values and NOT to try to adjust
the machine by trial-and-error while watching the screen display.
2. Press the V ZOOM softkey to display the vertical axis (viewed
from the side):
3. Before pressing the MOVE softkey, write down the shimming
values on a piece of paper and prepare the necessary shims.
4. Press the MOVE softkey. An intermediate window appears while
the ROTALIGN restarts the sensor. If the laser–receiver pair has
been moved to within ±15° of the 12:00 or 6:00 position and the
laser is on and centered, ROTALIGN automatically enters the
active measurement mode.
If either (or both) of the criterion mentioned above is not
fulfilled, you will be prompted to press the START softkey before
ROTALIGN enters the active measurement mode (see page 4-51).
Tip: use XY View to recenter the laser and set the correct
inclination if necessary.
5. You may loosen the machine anchor bolts after ROTALIGN has
entered active measurement mode! Otherwise, ROTALIGN can-
not measure any small displacements that may occur during
loosening.
6. Insert or remove shims from the machine feet according to the
values you previously wrote down. If a foot value is positive, then
the machine is high at that point and shims must be removed.
Remove/insert shims equally from BOTH feet at the front or from
BOTH feet at the back, as applicable.
7. When finished with shimming, retighten the anchor bolts, then
press the STOP softkey.
F
Note
XY
VIEW
V
ZOOM
XY
VIEW
MOVE
XY
VIEW
START
XY
VIEW
STOP
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