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This news article was originally written in Spanish. It has been automatically translated for your convenience. Reasonable efforts have been made to provide an accurate translation, however, no automated translation is perfect nor is it intended to replace a human translator. The original article in Spanish can be viewed at Torninova, en Plast 2009

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Hall 15, stand C/D 12-17

Torninova Plast 2009

Drafting PU04/02/2009

February 4, 2009

The Italian firm Torninova attends the Plast 2009 in Milan fair with a new line to complete its range of products. It's Coex Bubble 10, a machine that allows the production of plastic bubble structure multi-layer (10 layers: ABCBA + ABCBA) barrier impermeable to air thanks to the interior of Nylon PA6 layer. It includes technologies for the production of bubble plastic, which guarantee the complete automation of the process of co-extrusion, extreme ease of use of the line and the perfect quality of the barrier film produced, maximizing benefits in the practical use.

Generally, the Caex Bubble 10 is equipped with three extrusion machines: one for the layer of PE, one for the layer of Nylon PA6 and the third for the layer of glue between PE and Nylon-PA6. These three extrusion machines, thanks to a block of co-extrusion (feed-block) of last generation with variable geometry allow the production of film coextruded 10 layered structure ABCBA + ABCBA.

The machine has a width of 2.5 meters and offers a production of 650 kg/h or 10,500 m²h. Production speed is 75 m/min. It works with a minimum thickness of 25 GSM².

COEX Bubble 10 incorporates technologies for the production of bubble plastic, which guarantee the complete automation of the coextrusion process.

Characteristics of the machine

The Caex Bubble 10 line is notable for the following features: extrusion machines with engines mounted BC on the same axis with universal screw steel wear-resistant, with different diameters according to the required level of production. Each extruder is a filter and a gear pump with transmission drive shaft connected to a motor with variable frequency control retroaccionado drive. The gear pump, PID control, automatically regulates the speed of the extruder in relation to the weight of the final product selected in the recipe for production.

It also includes two flat heads separated for a high control and precise regulation of produced film, made in steel with adjustable lips. The sophisticated 'feed-block' of variable geometry allows a uniform distribution of the layer of Nylon PA6 in the full width of the film, even with less than 0.5 microns thickness; dispenser and gravimetric mixer for the raw material, for precise, automated management of mixtures; Trainer cylinder chrome plating and mounted on a mobile structure (motorized and controlled by PLC) in both directions for the regulation of the position of the fall of the material from the heads. Cylinder, thanks to rapid hydraulic joints allows a change in a short time.

Finally, the novelty of Torninova includes control panel main commanded by automata, complete software of supervision on a 'touch-screen' that allows the complete management of the line and the planning of the production process.

Advantages of the bubble coextruded plastic

Superior protection: in comparison with film monoextrusionado of higher grammage, the bubble coextrusionada hold better and longer air inside (thanks to the layer of Nylon PA6). Therefore, ensures high and consistent performance throughout the cycle from use of the packaging. It is just the amount of air sealed in each bubble which determines the best level of protection of packaged items
Better protection with thinner film: get the same results with less thickness means less consumption of raw materials and reduce the cost of the environmental impact.
Reusable: maintaining its properties at the time, the same packaging can be used several times.
Recyclable: the bubble coextruded plastic can be recycled with other material based on polyethylene.

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