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Printing Presses and Machinery (New and Used, Service and Repair)
News Release from: KBA | Subject: Printsecure, Rapid Dry
Edited by the Printingtalk Editorial
Team on 27 April 2005
KBA's New Process Control And Drying
Systems
KBA announced a new standard, Printsecure, for statistical process control at the second of its hybrid user meetings at the company's sheetfed facility in Radebeul (Germany).
KBA announced a new standard, Printsecure, for statistical process control at the second of its hybrid user meetings at the company's sheetfed facility in Radebeul (Germany) And Jurgen Veil, head of sheetfed offset marketing at KBA, also unveiled a new dryer that KBA has developed specifically for Rapida sheetfed offset presses
This article was originally published on Printingtalk on 9 Feb 2004 at 8.00am (UK)
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At least 250 people attended the event, said the company, where the audience saw new advances in hybrid coating, emission tests on the 18,000 sheets per hour (sph) Rapida 105 press and the results of consumables trials.
Printsecure is software that converts colour management readings in to data that the press operator can employ directly to achieve the optimum press settings for print quality.
The results can be depicted in three display modes - basic, advanced and professional.
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The system is configured for use with a Printsecure measuring strip, which is calibrated or printed out in a standardised form, scanned and fed into the system, said KBA.
In the basic mode a green light signals that all the scan values (densitometric, colorimetric) lie within the self-specified tolerance range.
When running a repeat job all that needs to be done is to compare the reference figures for the original job with the current readings - if the light is green, the repeat run can start.
A red light indicates that at least one value exceeds the tolerance range.
At that point it is worth switching to the advanced mode, where the mouse can be used to move between the various values (for example, tonal curves, grey balance and densities).
It is possible to zoom in on any part of any curve, added the company.
The professional mode constitutes a chart displaying the individual values, and functions as the Printsecure system's 'colour memory'.
Any value in the chart can be declared a reference value, so KBA believes that it is wise to use only standardised measuring wedges.
Deviations from the reference value are colour-tagged for easier evaluation - where deviations are indicated but are manifested in a single value, for instance.
Printsecure is claimed to be suitable for all types of printing processes and offers detailed data on parameters influencing the printing process and rapid evaluation based on measuring technology, as well as efficient evaluation of images, said KBA.
In addition, it is said to provide communication between pre-press and press for matching reference values, analysis of colour gamut problems caused by the type of ink being used, storage and comparison of scan values to enable press evaluation over a prolonged period of time and ease of use, with results presented in a comprehensible form.
The Rapid Dry dryer that KBA has developed specifically for Rapida sheetfed presses uses carbon shortwave lamps that are said to be more energy-efficient than standard IR radiation for drying water-soluble inks and coatings, and they generate less heat on the substrate, said the company.
That is because the level of heat generated is controlled automatically by adjusting the actual temperature of the delivery pile relative to the specified target temperature, which helps eliminate pile blocking, it is claimed.
The company added that existing IR drying systems operate with shortwave and fast medium wave radiation to come up to power and deliver a high degree of efficacy as soon as production starts.
Although the new carbon lamps operate solely in the medium wave range, they come up to power just as quickly.
The Rapida 105 press's delivery and delivery extension can accommodate a full 18 dryers (seven IR and 11 thermal), more than rival models, claimed KBA, and the dryers can be repositioned freely to suit the substrate, image and production speed, which represents a claimed innovation.
KBA believes that on a press running at 18,000sph any other type of dryer would soon hit its limits, and even the new carbon dryer features twin-tube emitters to ensure that it can deliver the necessary power level.
The claimed flexibility is not limited to IR and hot-air dryers but applies equally to UV dryers in hybrid presses.
The delivery extension has room for three UV lamps with a maximum power output of 200W/cm per lamp.
The lamps can be moved freely between the delivery extension and mid-press dryers by unplugging the media plug and inserting it in the pre-installed socket at the desired unit, which can reduce the cost of new presses.
On top of that, maintenance is simpler because the press minder can change the lamps when necessary, added the company. Request a free brochure from KBA ...
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