INSPECTION 24 PETplanet Insider Vol. 26 No. 07+08/25 www.petpla.net Enhanced angle of application detection Optimally applied PET bottle closures Non-brand, crooked, tilted or defective: these typical closure defects and difficult cases such as faulty asymmetrical tethered caps on non-returnable PET bottles can be detected inline by the new HEUFT FinalView II CAP detection system. The company says that this technology was improved for detecting the application angle of closures, particularly for high-speed disposable PET lines. Accuracy is claimed to be of up to two degrees. Heuft | Hall B4 Booth 121/321 The system provides statistical insight into individual capper head performance. This is achieved by an intelligent top-down camera, which is used for the targeted inspection of the closure colour and logo. It checks the position of a special embossed mark on the closure. At the same time, it takes a top view of an inconspicuous notch in the carrier ring of each bottle, which serves as a reference point to measure the orientation of the bottle itself. Special lighting facilitates the reliable detection of this alignment mark. To ensure statistically reliable results, the HEUFT FinalView ll CAP is intelligently evaluated and clearly distinguished from similar-looking objects such as water droplets or damages on the carrier ring caused by the capping equipment. Parallel to this, standard integrated side cameras perform millimetre-precise height checks on the filled PET containers to detect screw caps that have not been tightened sufficiently and have therefore completed too few application rounds. All the inspection results are correlated. The application angle of each individual PET bottle closure can thus be precisely measured by the new software. On this basis, and taking into account the specifications of the closure manufacturer, it is possible to calculate exactly whether the closure has either not been screwed on far enough or too far, so that it either does not seal properly or can no longer be opened easily. The latest release of the closure detection system can easily be connected to the HEUFT SPECTRUM II VX, for example, which implements a comprehensive filler and closer management. It can also be linked to the HEUFT squeezer II devices for the leakage check of filled PET bottles. The results of the application angle detection can always be precisely assigned to the closer head responsible for the respective fault by means of a locator. That is helpful for preventive closer maintenance. The closer heads which repeatedly cause such faults can be registered and serviced at such an early stage, based on the statistics obtained, that serial faults or unscheduled line stops and the associated production stops do not occur. Until the next scheduled line stoppage, which allows preventive maintenance to be carried out, the serial fault detection system can output signals to deactivate the affected closure head for the necessary period of time. The company says that the HEUFT FinalView II CAP increases the overall production quality and efficiency of complete non-returnable PET lines with this enhanced detection of the angle of application in addition to the gapless all-round inspection of the entire bottle closure including all safety elements. The new system is effected by a software upgrade which can be carried out retrospectively, and it does not change the compact dimensions of the detection unit for all-round closure inspection. The new application angle detection can be experienced live at drinktec 2025 in hall B4, booth 21/321. www.heuft.com
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