MACHINERY | DOWNSTREAM EQUIPMENT
Its iPQ-Check is an inspec- tion system for printing on a wide range of materials. As an intelligent tool for quality
Above:
Baldwin says its Unity LED-UV reduces power usage by 60% over traditional UV curing methods
flexible packaging must focus on greater digitalisa- tion and process optimisation. Industrial image processing – in the form of machine vision – is a new way to automate processes that were previ- ously performed manually. Other downstream systems that help to stream-
line production were recently shown at Drupa in Germany. One is the latest version of PrintStar Evo, a system for inspecting web material for flexible packaging. It now has a new ‘static code reading’ function – making it possible to check the legibility of barcodes and QR codes. This reads the code and tells the operator whether it is legible – allow- ing appropriate action to be taken. Enhanced camera technology ensures better detection of typical printing errors. It still includes its ‘MultiView’ functions in which multiple camera banks simultaneously carry out further inspection. This can detect initially invisible production defects such as hazing, plus decorative varnish defects or cold sealing defects. In addition, DualStar can inspect unprinted web
materials such as films, as well as printed materials. This is of interest to the converting sector, which needs a single inspection system on machines such as laminators, rewinders or slitters.
Inspection systems BST also introduced a number of downstream inspection systems at Drupa, including AI-based inspection and a system for digital printing.
management, it combines print image inspection with web inspection. As part of the iPQ-Center, both types of monitoring can be set up via an interface to reduce the risk of incorrect entries. Customers also benefit from the optional SmartData integration, which allows data to be used across processes. The new iPQ-Check Digital inspection system is for digital printing systems. Thanks to SmartData, it is fully integrated into the customer’s workflow. Jobs are created in prepress, then loaded into SmartData Preparation – where data is prepared for and transferred to iPQ-Check Digital to perform the inspection. The digital process enables operator-free job
setup, automatic job changeover, full inspection from the first format and job sizes with a quantity of one. Specific digital printing defects can be checked with typical defect classes such as narrow streaks and bending defects. For more precise defect classification, both systems now offer an additional defect class whose data set is generated using artificial intelligence (AI). As an example, customer-specific defects – or defects with high relevance – can be classified more clearly, for more precise evaluation.
UV print curing Baldwin showed several new printing technolo- gies at the Drupa exhibition, including systems that complete ad check the process. Its Unity LED-UV curing technology reduces power usage by 60% over traditional UV curing methods, it says, having high-powered LEDs and quartz optics for a consistent, complete cure at full press speeds. The design allows for greater flexibility with the substrate’s position relative to
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IMAGE: BALDWIN
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