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AC_TCOMP Angle Control Torque Compensation Stage
The ‘Angle Control Torque Compensation Strategy’ is used to
compensate for the prevailing torque of the fastener. The
prevailing torque can be averaged over a set angle and the
torque will be adjusted by the average torque measured,
allowing it’s effect to be removed from the final torque
applied to the fastener.
Setup
(See
AC_TA
for Torque, Angle, Speed & Time set
up if
needed)
This strategy will behave the same as ‘Angle Control Torque
Averaging’ with the additional re-taring of the torque
transducer; it has all the same parameters.
The Problem
In the two following fastening cycles, the final torque is 4NM.
The first fastening has about 1NM of prevailing torque during
the free run and the second has about 2NM. In the first
fastening, about 3NM of torque goes into the final clamping
load of the joint. The second fastening only gets about 2NM
of torque to clamp the part, 33% less than the first.
