Tightening
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transport to the closest multiple (determined by Adjust to) of the distance to target position.
This position is then adjusted with the Position correction parameter to get the final target
of the step.
If the total movement is less than Min Angle another 360 or 720 degrees are added to the
target position.
Slow down at step end:
When the spindle has reached an angle of Slow down position before the target position,
the speed is reduced to Low speed, using the speed ramp programmed as “Speed ramp
up” on the “Ramps & Other” tab.
If Automatic slow down is used the slow down angle is automatically calculated so the
speed reaches 1 rpm just before the target position.
Trace: There are no control parameters for this step type in trace.
Example, type 2:
Reference position = Null position
Adjust to = 720 deg
Position correction = -100 deg
Min Angle = 50 deg
Null position is at 324 deg (from cycle start)
Current angle is 843 deg, i.e. 519 deg from Null position
Adjust to = 720 deg, i.e. the target position is 324 + 720 = 1044 deg
Position correction = -100 deg, i.e. the compensated target is 1044 – 100 deg = 944 deg
The total movement in the step is thus 944 – 843 = 101 deg. If this had been less than Min
Angle (50 deg) another 720 deg had been added to the target.
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