Monitoring The Fi Rst Stage Of Your Tightening - Atlas Copco Power Focus 4000 Graph Quick Manual

Monitoring the fi rst stage of your tightening
The Power Focus offers several ways to control and monitor the
rundown of the screw cycle. The rundown is the rotation before snug
level (where the screw head starts compressing the joint).
Rundown Monitoring: monitor the angle between cutting the
PVT Selftap:
PVT Monitoring:
PVT Compensate:
Post-view torque:
fi rst thread and a settable torque level
monitor torque during an angle window
in the beginning of the rundown
monitor torque during an angle window
somewhere within the rundown phase
compensate for torque lost to e.g. thread
forming during rundown, measured in
real-time for each individual screw
a more fl exible strategy, allowing a max
torque for a settable window and a min
torque for another window to be defi ned
during rundown
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