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packaging | Preforms


development between Sipa and Canadian company Athena Automation, which was established by Husky founder Robert Schad. Athena builds the machines, which are sold and serviced exclusively worldwide by Sipa. The 150 model will be joined by a 300 tonne version this year (the Italian company manufactures its own 500 tonne X-Form 500 models). The X-Form 150 is a hybrid design using an electri-


Above: Sipa has partnered with Athena Automation on its XForm 150 and 300 preform systems


than ever before. The company showed a 128-cavity X-Mould at the fair, where it also showed a 150 tonne X-Form preform moulding system and launched a new mould refurbishment and conversion service. The company says X-Mould allows the production of


preforms with a length/thickness (L/T) ratio of close to 60 using injection pressures typical for designs with L/T ratios of 45. The stretch ratio for a 500ml X-Mould preform weighing 7.2g is in the range of 10.5-13.6, depending on the finished design, which the company says is manage- able with most modern stretch blow moulding systems. X-Mould designs can be used on Sipa’s own X-Form preform injection moulding systems and on equipment from other makers, the company claims. Sipa innovation director Laurent Sigler says X-Mould


redefines conventional preform injection moulding boundaries. “The L/T limit of 50 for preform injection has remained the magic number for legacy tooling for more than 20 years. But now, thanks to X-Mould, new preform design opportunities are available and our customers can lightweight their preforms even more and/or further improve their bottle performance,” he says. The X-Form 150 preform moulding system is a


cally-driven clamp stroke, ejector and plasticising unit and servo-hydraulic final clamping and injection. It is claimed to provide a 2s dry cycle time and energy efficiency comparable with all-electric technology. Novel features of the machine design include fast mould change times – one hour shot-to-shot – and a high performance post-mould cooling system. It will accept existing preform moulds, says Sipa The machine at the show was running a 32-cavity


mould producing 29g 26/22 CSD preforms. The system was configured with the optional Duo two-station post cooling system, which accommodates six cycles (3+3), and consumed less than 0.175 kwh/kg of electricity. Sipa has also launched a new mould refurbishment


and conversion service intended to allow customers to update their designs more quickly and at lower cost by reusing many mould components. It is offering this service from its headquarters operation at Vittorio Veneto in Italy, as well as its operations at Hangzhou in China and Atlanta in the US.


Click on the links for more information: ❙ www.husky.cowww.netstal.comwww.sipa.it


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