GDL - Bend roll closing - test

Decreasing preload (other parameters are fixed):

does not change residual load

increases residual load

decreases residual load

Thrust piece functional length wearing out (length shortening; example: from 57,5 to 57,3):

does not change residual load

increases residual load

decreases residual load

Changing thrust piece position to less negative value (example from -3,5 to -3,1; other parameters are fixed):

does not change residual load

increases residual load

decreases residual load

Washer design below roller (at 90° position):

changes bending roller position against thrust piece

changes final angle of closure

changes Lueb (overlap of outer tube)

On machine without panel adjustment is thrust piece position possible to change:

not possible to change

by washers

by changing value on operational panel

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