BOTTLE MAKING 33 PETplanet Insider Vol. 23 No. 05/22 www.petpla.net both cold and hot product filling. The ECS SP units are fast, flexible, and resource-efficient, all the while producing high-quality bottles under safe conditions, says Sipa. Speed comes from such factors as short lock-to-lock time, while flexibility manifests itself in many ways, including the ability to use legacy moulds, fast mould changeovers, and the capability of hot runners to be used on different cold halves. Changeover times can be up to 30% lower than on other machines, while operator safety is always a factor of utmost importance in the design of each Sipa system. Blow mould clamping force can be simply adjusted via the HMI; optional servo drive stretching rods makes it possible to use the same preform for different shapes. Sipa ECS SP machines have large mould pitches, so even bottles with large diameters can be produced with high levels of cavitation. Meanwhile, the optimal use of resources comes from the use of a single pump in a hybrid configuration while using a minimal amount of oil. Additional blowing pressure for challenging shapes High bottle quality derives from different factors, including mould material, process technology and control, and from the robustness of the Sipa machines. A massive clamping force together with 15% of additional blowing pressure available allows to blow complicated shapes and challenging sharp edges as well as simple designs. Cleanliness is ensured as clamping force for stretch-blowing is generated by short-stroke hydraulic cylinders positioned below the working area and requiring limited amount of oil. The safety features include special protection for all high-pressure hydraulic hoses, the cabin can be opened only after high-pressure air has been released and interlocking guards activated on all operator access. Sipa ECS SP machines are fully CE compliant. www.sipasolutions.com Şimşek Plastik’s team Şimşek Plastik is a leading manufacturer of plastic bottles for a variety of sectors such as food, healthcare, cosmetics or detergents. Production of several bottle shapes and neck finishes up to 215mm diameter on ECS SP
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