MiniMax
Bolt Tension Monitor
121
15) Press the
key to store the
Known Load
and return to the measurement
screen, or
to cancel entering the
Known Load
.
16)
Increase the applied load to approximately the maximum load, which is to
be placed on the bolt under actual working conditions.
17) Measure and record the Ultrasonic Length at Load 3 by pressing the
key. The
Digits Edit Box
will be displayed.
Note:
Load 3 should be stored in column D.
18) Enter the
Known Load
value by pressing the
and
arrow keys
multiple times to scroll the highlighted value.
19) Press the
and
arrow keys multiple times to scroll the digit
locations.
20) Repeat steps
18 & 19
until the
Known Load
value is correctly displayed.
21) Press the
key to store the
Known Load
and return to the
measurement screen, or
to cancel entering the
Known Load
.
22)
Repeat Steps
1 – 21
for sample bolts 2 & 3.
Now that we have measured and documented three sample bolts, we’re now ready to
run the vector or regression calculation to determine a load factor and offset
(regression only).
Running a Regression or Vector
1) Press the
key multiple times to tab right and the
key multiple times
to tab left until the
CAL
menu is highlighted and displaying the submenu
items.
Summary of Contents for MiniMax v2.0
Page 2: ......
Page 49: ...MiniMax Bolt Tension Monitor 43 Figure 6 Reflection in a bending bolt...
Page 196: ......