Vision appliance needs no PC for inspection
A
The Value Engineering Alliance product story
Edited by the Engineeringtalk editorial team
May 11, 2005
PQEye is a smart-camera-based instrument that can be used to address narrow web print inspection tasks or check the position, correctness and quality of text and graphics printed on discrete parts.
New from the Value Engineering Alliance is PQEye, a stand-alone print quality inspection appliance.
PQEye is a compact (50 x 50 x 170mm, including lens), smart camera-based instrument that can be used to address narrow web print inspection tasks or check the position, correctness and quality of text and graphics that have been machine-printed on discrete parts.
User-friendly and easy to integrate, the PQEye provides very appealing levels of price/performance and enables companies to routinely achieve rapid returns on their investments.
Completely PC-free, the PQEye's setup, training and test procedures are all done using its multifunction keypad and a graphical user interface that displays on standard SVGA monitors.
Effectively inspecting the results of offset, flexographic, thermal transfer, laser, inkjet and other common printing processes, the PQEye is capable of addressing many of the applications which were previously the domains of PC-based vision systems and proprietary "big iron" boxes.
The PQEye's inspection software features an automated training procedure during which all typical print variations are taken into account.
This results in the setting of sensitivity levels that enable the system to reliably detect defects only a few pixels in size on media moving at up to 300m/min, while still clearly differentiating between normal print variations and unacceptable print flaws.
Inspection speeds can range from around three parts per second on individual items up to 20 frames per second in web applications, depending on the capabilities of the smart camera serving as the system's implementation platform.
Typical high-end applications of the PQEye include: the inspection of pharmaceutical products, food and consumer goods labels, as well as integration into rewinders, cutting and slitting machines and high-speed bottle cap printing machines.
Typical low-end applications of the PQEye include: the inspection of pad or laser printed information on electronic components, keyboards, mobile phone and other kinds of keypads; printing and decorations on bottle caps; screen printing on porcelain and glassware; laser-marked indicator/operator symbols on automobile dashboard panels; graphics and text marked on auto safety glass; pharmaceutical labels and cartons moving at slow speeds; and printing on medical equipment and dosing devices.
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