PVS-3 In-Line Inspection System
Quality Control of the PET Preform
At the last edition of the international K fair in Düsseldorf, Germany, Sacmi Imola S.C., Imola, Italy, introduced the PVS-3, an in-line inspection system for PET preforms.
The company's new inspection solution offers outstanding inspection rates of up to 72,000 preforms an hour and can easily be installed both in-line with the press and offline. With regard to in-line operation, the upstream automatic centrifugal positioner is of particular interest; it enhances efficiency and is compact, making investment decisions regarding existing lines easier. For offline installation the traditional roller positioner is also available, while the in-line solution can be equipped downstream with the innovative “soft drop” system that delicately sets down preforms exiting the vision system in octabins.
The inspection potential of the PVS-3 spans from standard checks such as inspection of the preform mouth to the finish (especially the thread), the body and the bottom. Optional features include the exclusive, patented Sacmi “grille” method to intercept defects that can only be detected with polarized light, such as on-material stress, surface irregularities and watermarks etc.
As regards software, the PVS-3 features the latest CVS 3000 64-bit version, developed entirely by Sacmi and shared by all the vision systems in the range; this ensures maximum interoperability between machines and, therefore, a fully integrated approach. Sacmi thus offers a fully interconnected system capable of providing precious additional information on line efficiency and extending monitoring, also remotely, to every stage of production. Thanks to the flexibility of the software platform, it is also possible to equip the Sacmi PVS-3 with both black and white video cameras and ultra-high resolution color acquisition devices; the latter are designed for thorough inspection of preform color.
SACMI Imola S.C.
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