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ROTALIGN 01.2000
4) Results
When you have finished taking measurements, press the R
ESULTS key:
The flange is depicted as viewed from the right machine toward the
left. The bolts in the figure correspond to the bolts (or shimming
positions) on the flange, with the top position marked "1."
The offsets are shown on the left portion of the screen. In the
example shown here, the values are 5.2 mils up and 1.2 mils to the
left (i.e. toward the viewer in the standard ROTALIGN screen
described in Step 1 above).
The table on the right lists the calculated shim corrections. Press the
"+/-" key, if necessary, to set the column heading to "Shim (0+),"
which means that shimming is calculated such that one bolt requires
zero shimming, and all remaining bolts are shimmed by positive
amounts. (The solid line joining the bolts in the diagram indicates
that the vertical axes of the bolts now function as "corners," with the
original bolt flange dimensions appearing as a dashed line.)
5) Fit shims
Loosen the bolts and fit the shims according to the values given in the
table. Try to avoid any lateral movement of the machine when doing
so. When finished, retighten bolts.
6) Repeat readings
Press the "M" key to take a new set of readings before beginning offset
corrections. The results should now show little if any shimming
corrections after shim fitting in step 5 above.
Flange-mounted horizontal machines
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