2-5
EM-573 (N-04-18)
FINAL LEVELING
Final leveling should be done with a CINCINNATI INCORPORATED Service Representative present.
The purpose of nal leveling is to ensure that the gantry does not rotate about the X-axis as the gantry moves
from end-to-end. Excessive rotation will cause laser beam misalignment during operation. Follow these steps
for Final Leveling:
1. Use a 15 inch (380 mm) precision spirit level with a sensitivity of .0005 inch/ft. (0.04 mm per meter).
2. Place the level on the top of the gantry and position the gantry at X = zero. See Figure 2-6. The gantry may
be moved by manually pushing it when drives are off, or by using JOG mode when drives are on.
3. The top of the gantry is not machined. Therefore, it will be necessary to shim one or both ends of the level
to establish a reference reading and make the level sit solidly in place. Paper shims can be used for this
purpose.
Y-AXIS
PLACE SHIMS
UNDER END
OF LEVEL TO
ESTABLISH
REFERENCE
READING
OR PRESS
LEVEL INTO
PLUMBERS
PUTTY TO
SECURE AND
HOLD LEVEL
IN POSITION.
.0005”/Ft
PRECISION LEVEL
Figure 2-6 Final Leveling with Precision Level
4. Observe the position of the bubble while moving the gantry from X = zero to X = maximum travel. The
maximum acceptable deviation is one division of the level (.0005 inch per ft. or 0.04 mm per meter) as the
gantry moves from end-to-end. This ensures that the frame is not in a twist. Adjust as described above,
using jackscrews to add or remove shims under mounting feet.
5. When Step 4 is complete, lightly tighten anchor nuts and recheck level as specied in Step 4. Verify that
jacking screws are backed off and not supporting the machine
6. Tighten the anchor nuts.
7. Repeat Step 4 as a nal level check.
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