Delem
V1101, 3.21
Parameter 21: Stiffness of frame
Range : 0.0-100.0
Default : 0.0
Units : %
Function
Stiffness of frame, used for Y-axis depth computation.
Description
When you program bending angles, the corresponding bending depth is computed automatically.
Stiffness of frame is used to compute a correction for this bending depth due to the deflection of
the frame.
The deflection compensation arm will not fully compensate the deflection of the side frame in
order to compensate the Y-axis bend position. Bending the same metal with length of 0,5 meter
must have the same angle when bending it with a length of 1 meter or longer.
The difference between the two bends is the tonnage. With 1 meter length the frame will deflect
more because it requires more tonnage when bending 0,5 meter.
The value programmed for this parameter must be the deflection of the side frame which is not
compensated by the compensation arm. This value is programmed as a percentage of the value
programmed for the machine parameter ‘Relaxation Stiffness’.
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