Heidelberger Druckmaschinen AG (Heidelberg) will be presenting its
new PFX pallet feeder for the Stahlfolder TH/KH folding machines at
drupa 2012 in Düsseldorf. PFX stands for Pallet Feeder
eXtended. This new feeder can boost a folding machine's output
by up to 50 percent compared with conventional cross-fold
production. Despite this much higher output, the entire unit still
operates at the same machine speed, thereby ensuring precise
folding quality and stable production conditions.
The new PFX feeder works along the same lines as a press
feeder. It separates sheets on the pallet and transports them onto
the feed table in a shingled stream. This means that more sheets
can be fed into the folding machine in a given amount of time with
the machine operating at the same speed. The separation process on
the feeder is far slower and far more stable than with conventional
folding machines, where each sheet has to be transported separately
onto the feed table. Shingled sheets are reliably aligned thanks to
the unique Venturi principle of the PFX feeder's vacuum feed
table - the prerequisite for processing more sheets in the same
amount of time. Such stable operation would not be possible with
conventional feed tables.
"Output and production stability are key factors in long-run
industrial print production," explains Stephan Plenz, member of the
Management Board responsible for Heidelberg Equipment. "We have now
succeeded in extending the principle of the tried-and-tested stream
feeder used in our presses to postpress applications so as to
deliver lean production with a variety of potential savings," he
adds.
The new PFX feeder will be on show on a Stahlfolder TH 82
machine at the Heidelberg stand in Hall 1 as a response to the HEI
Productivity market trend. It will be available to buy from the
beginning of 2013.
High throughput thanks to feeding and folding in a shingled
stream
The innovative sheet feeding of the Stahlfolder TH 82
with PFX feeder goes one step further than a press, though.
Depending on the job, sheets can remain shingled on the feed guide
even after alignment and be transported into the first folding unit
still overlapping. The first fold shortens the top sheet
sufficiently for the shingled stream to break up while still in the
folding unit, with the result that sheets move on separately - and
with a space between them - after this initial fold. Shingled
feeding and folding represents a big step forward and can boost
productivity by as much as 50 percent.
Integrated production improves productivity by up to twelve
percent across the entire process
In addition to the technical features of the PFX feeder,
a key factor in its enhanced performance lies in selecting the
correct fold type. This couldn't be easier for customers using
the Prinect prepress workflow from Heidelberg, because fold types
are specified at the prepress stage.
In many cases, it is possible to use even more of the print
sheet by changing the fold type, for example fitting 18 rather than
the previous 16 A4 pages onto one signature. Depending on the end
product, this can dispense with one or more print passes.
What's more, fewer feeders need to be loaded up at the
saddlestitcher or adhesive binder. The total potential savings this
achieves across all productions steps can quickly add up to more
than twelve percent for each job.
Folding machines can now match the capacity of high-performance
presses
Long perfectors from Heidelberg have the ideal design for
industrial signature production in standard formats. One example is
the new Speedmaster XL 106-P. Operating at up to 18,000 sheets per
hour, its output would previously have been split between two or
three folding machines to avoid postpress bottlenecks. Depending on
the print job, the new principle of folding in a shingled stream
and the PFX feeder now make it possible for a single TH/KH folding
machine with just one operator to process the entire output of this
high-performance press. Logistically speaking, the pallet feeder is
perfect complement to the press. Stacks are transferred from the
press directly into the folding machine's feeder. And
high-performance Heidelberg delivery systems, especially the TSH
Twinstacker with lateral pack output, offer operators sufficient
buffer capacity for removing sheets from the folding machine and
depositing them on the pallet, even at top speeds. Thanks to
automatic stack jogging in the delivery and output on two levels,
removal at high speeds is possible even without additional banding.
Figure 1: At drupa 2012, Heidelberg will be presenting the
new PFX pallet feeder, which can boost the output of Stahlfolder
TH/KH folding machines by up to 50 percent compared to conventional
cross-fold production.
Figure 2: The new PFX feeder on Stahlfolder folding machines
works along the same lines as a press feeder. Sheets enter both the
feeder and the buckle plate in a shingled stream, which ensures a
high throughput.
For further information about the company and image material,
please visit the Press Lounge of Heidelberger Druckmaschinen AG at
www.heidelberg.com.
Heidelberg at drupa 2012
Today's print media service providers are faced with a
dynamic and challenging market. Companies that want to achieve
success in an environment of this kind need to optimize their
business models by seizing on market trends in the industry and
using them to their advantage.
During drupa 2012, from May 3 to 16, Heidelberg will be
showcasing in Hall 1 an extended portfolio of products and
solutions that have been developed specifically for the latest
market requirements. The trade show presentation, held under the
banner "Discover HEI", will center on lean production (HEI
Productivity), green printing (HEI Eco), web-to-print (HEI
Integration), short-run-printing (HEI Flexibility), differentiation
through coatings and special effects (HEI Emotions), the future of
packaging printing (HEI End), and gaining an edge through the
latest know-how (HEI School). The company is exhibiting solutions
that enable print shops and postpress businesses to meet the latest
market requirements in full.
www.drupa.heidelberg.com
For further information, please contact:
Heidelberger Druckmaschinen AG
Corporate Public Relations
Hilde Weisser
Phone: +49 (0)6221 92-5066
Fax: +49 (0)6221 92-5069
E-mail:
hilde.weisser@heidelberg.com