MACHINERY | PELLETISERS
Right: Sikora has highlighted the use of its Purity Scanner Ad- vanced system with XLPE pellets
system and uses up to three cameras depending on the expected contamination and application. All types of plastic pellets can be inspected, but a recent press release from the company highlights its capabilities as the ideal sorting solution for cross linked polyethylene (XLPE) pellets. Requirements in the XLPE market differ signifi-
remove contaminants like gels, foreign objects, and colour variations. This translates to improved product consistency, minimised downstream processing issues, and an enhanced brand reputa- tion built on delivering high-quality resins.” The post went on to say how the company’s inline monitoring systems help compounders, whose primary concerns are maintaining precise material composition and preventing inconsisten- cies in pellets, by not only detecting and eliminat- ing purity issues, but also reducing preventive maintenance and the ensuing downtime. Finally, it noted that one of the biggest challenges facing recyclers is the removal of impurities and ensuring consistent pellet quality, saying: “We assist them in assuring constant quality and colour of the manu- factured material while automatically stopping flow of additives when quality drops below the accept- able level. This leads to improved plastic quality and increased market competitiveness by offering higher-quality recycled materials.” Sikora’s Purity Scanner Advanced, which inspects and automatically sorts pellets to remove contaminants, has been firmly established as an essential piece of kit for some time. The system combines X-ray technology with a flexible optical
cantly from standard plastics. In addition to the targeted detection and sorting of black specks and yellowing, the seamless detection and sorting of the smallest metal particles is also essential. The fourth generation of the Purity Scanner Advanced sorts impurities in the range of 25 µm, as well as metal particles up to 50 µm in a single pass. It is essential that the material transport and the method of sorting itself do not introduce any additional contamination into the material flow, which is why the Purity Scanner Advanced is fitted with a transport system featuring a stainless-steel channel which can be easily blown out with compressed air. Another important criterion is the space re-
quired. The material flow of XLPE runs by gravity directly from the dust removal on one floor to the sorting area on the next, and the sorting of optical and metallic impurities should be carried out in such a way that as little good material as possible is wasted. This further optimises production process- es, ensures the quality of the XLPE material, and contributes to cost-efficient and sustainable production.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.lati.com �
https://maag.com �
www.coperion.com �
www.farrel-pomini.com �
https://bayplasticsmachinery.com �
https://inspec.tech �
https://sikora.net �
https://pelletizing.de
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IMAGE: SIKORA
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