PELLETISING | IN-LINE INSPECTION
camera-based pellet analyser for black speck and colour contaminant detection at up to 25Kg/hour; the PSSD analyser for classification of pellet defects such as tails, smears and dust; the PA-66 pellet analyser, which combines the PS-25C and PSSD into one integrated system; and the large PS-400C pellet analyser for black speck and colour contaminant detection and sorting at up to 400 kg/ hour. According to the company, the PS-400C is particularly effective with clear pellets. Italy’s Industrie Polieco-MPB group is using
Purity Scanner Advanced optical technology from Germany-based Sikora to inspect and sort maleic- anhydride grafted functional polymers for use as adhesives layers in packaging films and multi-layer pipes.
According to Sikora, in this application the Purity
Scanner Advanced system reliably detects pellets with colour deviations, as well as those with small black spots on the pellet surface, which occur due to side-reactions during the production of grafted polymers. The system automatically detects and sorts out all pellets with contamination from a size of 50 microns. It also provides detailed statistical data to allow Industrie Polieco to optimise its production process.
“During the development and continuous
improvement of our production processes, we have been able to minimise the formation of black spots and of pellets with colour deviations. How- ever, the presence of such defects cannot be completely avoided: sorting systems like Sikora’s Purity Scanner Advanced have the essential task to get rid of such residual defects so that we can provide our clients a superior quality material,”
explains Marina Ausonio, Research & Development Executive at Industrie Polieco-MPB. According to Sikora, most pellet inspection system use a maximum of two cameras. However, at last year’s K show it demonstrated a system with three 25 micron high-resolution black-and-white cameras, which it says further lifts detection rates. “By using a third black-and-white camera in the Purity Scanner Advanced, a significantly higher detection rate is achieved, so that more contaminants are detected – this is unique with our system,” says Ralf Kulenkampff, Head of Sales – Plastics.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.southernanalytical.com �
www.ocsgmbh.com �
www.sikora.net
Sikora’s Purity Scanner Advanced in-line pellet inspection system is in use at Industrie Polieco
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IMAGE: SIKORA
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