Validity rule
Dial indicator readings are taken at the 12, 3, 6 and 9 o'clock positions. The validity rule states
that when shafts are rotated, the sum of the dial indicator readings at the 12 and 6 o'clock a
positions must equal that of the 3 and 9 o'clock positions.
TOP + BOTTOM = SIDE + SIDE
The validity rule works because readings are taken around the circumference of a circular
object.
If the above is not true, then the measurement should be repeated. The touch device incor-
porates a functionality used to check the validity rule. If the entered dial gauge measurement
values do not conform to the validity rule, the hint "Normalize" appears on the screen.
Tap "Normalize" to view the adjusted dial gauge values. The coupling results may also be
viewed directly by tapping .
60 Version:2.3
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