34 EVENT REVIEW PETplanet Insider Vol. 25 No. 07+08/24 www.petpla.net From high-speed leak testing to palletising Delta Engineering showcased their expertise in downstream equipment for the blow moulding industry with live demonstrations of several machines. Among the machines featured was the DP252 fully automatic palletiser. Capable of packing empty plastic bottles into trays and hoods, the DP252 can build full-height pallets up to ten feet high. With two integrated tray warehouses/dispensers that can hold up to 15 trays or hoods each, the DP252 offers flexibility in stacking patterns to meet the unique requirements of each customer. In addition to the DP252, Delta Engineering also displayed the UDK616 high-speed rotary leak tester for plastic bottles. With 16 test heads and the latest Delta Engineering leak tester software algorithms, the UDK616 is said to offer stability, low false rejection rates and easy setup. Thanks to its accurate measuring system, it safeguards the production and quality control processes of Delta Engineering’s customers. The machine is designed for quick changeovers, user-friendliness, easy access and operator safety. Furthermore, the company highlighted their expertise in conveying challenging bottles with a 45-degree vacuum conveyor with a steep incline and decline. Their conveyor seamlessly transported bottles to the UDK616 leak tester in a continuous loop, illustrating the advantages of vacuum technology. Even with the conveyor’s steep incline and decline, the vacuum system prevents the bottles from toppling over, which makes the solution suitable for highspeed transportation of unstable or difficult bottles, or in cases where high repeatability is crucial. Additionally, Delta Engineering unveiled samples of crystal clear blow-moulded squeeze tubes made of PET instead of the traditional PP. The standout feature of the new tube is that it is made by injection stretch blow moulding (ISBM) on single-step Nissei ASB machines, rather than extrusion. With the company’s new, patented process, oval-shaped blow moulded bottles are simply transformed into tubes by clipping and welding the base. This innovation opens up a new market for blow moulding companies and their bottle filling customers, says Delta Engineering. The new tubes can be filled just like regular bottles, which allows filling to a higher level than with standard tubes. Another advantage is that PET tubes can be recycled 100% in the current recycling flows, as opposed to laminated tubes. The PET tubes can also be plasma coated for enhanced oxygen barrier properties and are said to be easy to print. www.delta-engineering.be Hot runner technology for the packaging industry Global hot runner, controller and auxiliary injection unit supplier Mold-Masters exhibited at NPE, showcasing a wide selection of new products and technology. New products included the Fusion Series G3 and Eco One series hot runner systems. For the PET processing sector, Global Marketing Director Miki Bogar and Global PET Sales Director Igor Kim showed us the Axiom hot runner system for single-stage ISBM applications, which is claimed to incorporate modern technology to enhance bottle quality and reduce operating costs by extending maintenance intervals. In addition to optimised thermal properties and improved process control, Mold-Masters advertises an industry standard gate design that prevents stringing and reduces crystallinity in the gate. The system also features PET dust management, which is said to minimise material dust accumulation, reduce the frequency of maintenance and avoid downtimes. Thanks to advanced I-Flow manifold technology, colour changes are said to be up to four times faster with improved bottle-to-bottle consistency. We were also shown the Sprint Apex gate seal, which was launched on the market this year to optimise product quality in the production of caps. According to Global Sales Director Packaging and Medical Thomas Bechtel, this should improve the environmental stress crack resistance (ESCR) of CSD closures by up to 40%. Increasing safety factors improves CSD cap performance which is particularly beneficial for lowing material usage and cost savings through light weighting. Further advantages, which can be applied to any type of closure, are said to be a better appearance and quality of the closures produced, in particular the minimisation of flow lines, regardless of the colourant used. According to the company, colour changes can be made up to 65% faster. The technology, which eliminates the need for vespel insulating caps, is also said to minimise maintenance and spare parts costs. Successful case studies from customers confirm the effectiveness of the technology. Retrofitting should be possible with existing cavity inserts, which should minimise investments when changing over and shorten the ROI. www.moldmasters.com Axiom hot runner system
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