Bookjet® system: Sequential Feeder SF 842
For sequential separation of digitally printed and folded sections at a rate of 3,000 – to 6,000 stacks/h.
The newly developed, high-performance SF 842 sequential feeder can be linked inline with a digital press and folding machine. System performance can be increased still further by using 2 or more feeders in parallel. Individual modules can be automatically fed offline using an STA 842.SF bundle feeder.
The digitally printed signatures are processed sequentially in parallel and collected in a magazine to form a complete book block. The system uses thickness measurement and start/stop recognition via print marks and/or barcodes. Automatic systems capture block thickness and correct the settings (by adding the absolute values) transmitted for subsequent processing in the Bookjet® perfect binder KM 200.
Recommended combination with KOLBUS perfect binders
With Bookjet® perfect binder KM 200
With perfect binder KM 600.A
Size range (width x height)
min. 105 x 150 mm
max. 220 x 330 mm
max. 3 mm
max. 6,000 section piles/h
Net production is subject to variable product sizes, materials, machine equipment etc.