ACTA 4000 User Guide Measuring strategies
9836 4171 01 2008-12 71 (136)
5 Measuring strategies
In the previous section we explained how to program your ACTA. Now let us look at examples of
different measuring strategies. Below you can see how the measurement parameters in the
Prog (program)
menu block can be applied when measuring different tools.
5.1 Measure strategy parameters
Parameter Description
Peak Value
The maximum torque level detected during the tightening cycle.
Installed Torque
The torque value saved when strategy is Static installed torque
Filter Frequency
(Not Shown)
This is the cut of frequency applied to the torque signal. It is used to
remove unwanted noise. When using pulse tools this frequency is used to
tune the result to match value obtained with a wrench.
Tightening Cycle
(Not Shown)
Represents a complete measurement. It is defined as the interval from cycle
start to the end of end time
Angle
Is the actual angle that is to be presented on the display
Cycle Start
The torque level at which the tightening cycle begins.
Cycle Complete
The torque level at which the measurement is considered to be complete. It
must be lower than cycle start.
Start Angle
The level, expressed as torque, when angle measurement starts. Start angle
should be equal to or higher than
Cycle start.
Measure delay
Time
The time after Cycle start during which no signals are measured. This
allows ACTA to ignore initial torque spikes.
Reset Time
A time after Cycle complete during which no signals are measured. This
allows ACTA to ignore clutch noise.
End Time
The time after Cycle complete when, if the torque level again climbs above
the
Cycle start level, the tightening cycle will continue. If the torque level
does not climb above
Cycle start during this time, the cycle is completed
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