Home > SIPA unveils 3rd generation SFR EVO3 stretch blow mould machine

SIPA unveils 3rd generation SFR EVO3 stretch blow mould machine

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World-leading manufacturer of PET stretch blow moulding machines, SIPA of Veneto, Italy has released the third generation SFR EVO³ machine designed for PET bottle manufacture.

Now available in versions with 6, 8, 12 and 16 cavities, SIPA plans to release 10, 20 and 24 cavity models later this year.

The SFR EVO3 stretch blow mould machine features new designs in the clamp unit including the cams that help achieve a maximum output rate of 2250 bottles per hour per cavity. A new compact blowing valve block has 35% less dead air volume; ‘green’ ovens reduce electrical consumption by up to 40% while keeping process conditions stable, due to the use of new lamps and special materials and coatings for the reflectors.

Key features of the SFR EVO3 stretch blow mould machine include electrically driven stretching rods that allow fine-tuning of stretch rod timing, speed, acceleration and distance via the HMI controller; electric drives that eliminate need for the stretch rod decelerator and the stretching cam, further reducing product change-over times; and a 'smart' self-learning procedure in the electric stretching system to identify preform/bottle dimensions.

The new EVO³ machines take advantage of mechanical compensation in the blowing process with high pressure blowing air used only on the final fraction of a millimetre of the stroke, leading to significant reduction in air consumption, particularly with smaller bottles. 

The SFR EVO³ can also be easily converted from production of hot-fill to cold-fill containers as the heating circuit (required for hot fill) remains in the shell holder while the cooling circuit is now built into the mould cavity. Only a cavity change is required to switch from production of one type of container to another with the shell holders remaining in place.

SIPA is represented in Oceania by HBM Packaging & Plastics Technologies

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