Kolver K-DUCER, Operator'S Manual

Page: 16 / 82

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TERMINOLOGY
KDU/K-DUCER/control unit : the KDU1 / KDU1A control unit
KDS/screwdriver : the transducerized screwdriving tool to be used with the KDU control
unit
Transducer : electronic component installed inside the KDS screwdriver which measures
the torque in real time
Rundown/tightening : the screwdriving cycle, from start (pressing of the lever or initiating
remote lever control), to finish (automatic motor stop or lever or remote lever control
release, whichever happens first)
Torque : rotational force
Closing torque : the last torque value measured when the screwdriver motor stopped or
when the screwdriver lever or remote lever control was released
Target torque : the closing torque that the screwdriver system will apply in the rundown
(torque control mode only), resulting in a “Screw OK” result if successful
Prevailing torque : an optional phase of the rundown during which the applied torque is
allowed to exceed the target/closing torque
Torque control mode : a rundown where the screwdriver motor automatically stops upon
reaching the target torque
Angle : the revolutions of the tip of the screwdriver, in degrees. The start time of the angle
measurement depends on the settings chosen.
Target angle : the angle measurement upon which the screwdriver motor will stop (angle
control mode only), resulting in an “Angle OK” result if successful
Angle control mode : a rundown where the screwdriver motor automatically stops upon
reaching the target angle
Run time : the duration of the rundown, in seconds
Run time mode : a rundown where the screwdriver motor automatically stops at the
desired run time