Machine Description
Operating Instructions
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ITS6_135_Manual_EN.doc
4.6.4
Printing substrate storage assembly (unwinding unit)
Purpose
Controls the unwinding speed so that the printing substrate runs evenly
through the machine. In addition, it tensions the printing substrate between
the unwinding unit and web tension control unit.
Technical realization
A so-called dancer roller is attached to a pivoting lever arm which is con-
nected to the swivel module.
The angle of the dancer roller is registered by an angle transmitter and
used to the control the speed of the unwinding unit drive.
The printing substrate is pre-tensioned in accordance with the dancer force
set in the touchscreen.
Fig. 16. Printing substrate storage assembly (unwinding unit)
Diagram (schematic)
Fig. 17. Diagram of the printing substrate storage assembly
– spatial representation
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