109
x Pratemaking / Master Feed / Ejection Section
chap.2
1) When platemaking starts, the drum unit rotates
from the stop position to the opening / closing
lever section (master detachment position) and it
stops temporarily. (B mode)
1. Description
The master clump on the drum unit is opened or closed by the two opening / closing levers' rotation operation.
The opening / closing levers (one for the master attachment position, and the other for the master detachment
position) are on the master clump opening / closing section on the main body rear side.
The master clump is opened or closed during platemaking. Opening / closing operation is as follows:-
5) Rotate the drum, to wind the master onto it.
4) Open and close the master clump to have it grip
the leading edge of the used master.
3) Close the master clump, rotate the drum again
and stop the drum at the next opening / closing
lever section (master attachment position).
2) Open the master clump to have the used master
tip end gripped by the plate ejection unit.
Master Clump Opening / Closing Section
Master clump opening / closing lever
(Plate attachment position)
Drum unit
Master clump opening / closing lever
(Plate detachment position)
Master clump opening / closing section
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