Vers. 111422 40
PREVAILING TORQUE
Self-threading applications may require a prevailing torque strategy, if the initial torque
required to overcome the self-threading action is higher than the target closing torque.
Applications where the running torque value is expected to be higher than the clamping
torque target may also require a prevailing torque phase, ending at or after the end of the
running torque phase.
In the RAMP, TIME, & PV TORQUE menu, activate the prevailing torque mode with
torque and angle
Warning: for the duration of the prevailing torque phase, the screwdriver will only stop if it
reaches its maximum torque possible.
A tightening with target torque 0.21 Nm, and prevailing torque phase for 2.0 seconds.
Note how the maximum torque is higher than the final torque. This type of profile is only
possible through the prevailing torque setting.
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