SFL XL for extra large sizes

The best manufacturing solution for large size containers

The SFL 1XL and SFL 2/2 linear blowers are the response for small- and medium-scale production of containers anywhere from 12 to 30 liters in size, dedicated to sectors as water, oil, beer, wine, household chemicals, mineral oils.
Both platforms are ideal for production of returnable or one-way containers for water dispensers, stackable/one-way containers, kegs for beer and a wide range of large size containers, with neck finishes up to 93 mm. A special feature is the automatic insertion of the handle inside the blowing mold.

HIGHLIGHTS

Low initial investment and running costs
Best in class equipment
Extremely quick installation and start-up time
Technologically advanced machine
User friendly technology with full process control
Quick mold changeover (30 minutes)
Easily accessible area at the front of the machine for mold changeover and maintenance
Very compact layout

SFL 1XL

Linear blowmolder for Large size containers production

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Process steps: main features & benefits

The preforms are discharged in bulk from octabins into the preform hopper
A soft drop preform octabin tilter is available as an option
From the hopper an elevator belt provides a continuous supply of preforms to a linear unscrambler
In the preform unscrambler, two counter rotating cylinders are aligning the preforms by gravity with the neck finish upward

During the heating phase, the preforms are constantly rotated for a perfectly symmetrical distribution of heat
Ventilated ovens to maintain preforms internal temperature at a sufficiently low level, avoiding excessively high temperature on the external wall of the preforms
Two ovens in standard configuration, a third oven can be installed to increase heating time
Preforms are carried in front of 16 (sixteen) IR lamps on one side and mirrors having vertical slots on the other side
As option, 45° or 90° lamps are available in order to fit special preforms

The stretch and blowing phase is made within a toggle blowing press with pneumatic compensation
The axial stretching of the preforms is carried out by a servo-driven stretching rod that provides a high level of repeatability and consistency
Once the bottle is completely formed and the blowing air is exhausted, the mould opens and the blown bottle is evacuated by a linear transfer system electronically synchronized to the blowing press movement

The automation and control of the blowing machine is carried out by a SOFT PLC
A touch screen graphical interface allows to access to all the parameters for machine control, heating-blow moulding process, alarms and relative diagnostics and production statistics
A modem connection to the SIPA ON LINE is also provided for a remote customer support

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Materials

PET

Type

5 US Gal returnable water cooler bottles with or without handle
5 US Gal one way water cooler bottles
12 liters bottles with up to 48 mm neck
Stackable bottles up to 25 liters
Up to 30 liters beer KEG
10.5 liters warm filling container with 63 mm neck
One way collapsible bottles for water dispensers.

APPLICATIONS

The SFL 1 XL is ideal for production of large size containers both returnable and one-way for mineral water, beer, wine, edible oil and chemical products.