"coreless rewinder rp" is a completely automatic rewinder (roll to roll) that allows to rewind air bubble film for packaging in small rolls without internal core ( pony roll )
This rewinder born following the request of our customers to enter in the markets of hardware store, shopping mall, bricolage shop, etc., where the air bubble film cannot be sold in rolls with standard dimensions, but only in small rolls with few meters. This rewinder remove also the problem of the internal core cost that could be to much expensive if compared to the sold material.
The plant is composed by different groups:
Unwinder group complete with bearing brackets for the air expansion shaft with pneumatic closing system where the mother roll with an internal core (° 76mm) is loaded
Central group complete with motorized nip-roll cylinder and pneumatic cut system with blade;
Rewinder group where the material is rewinded without internal core thanks to rewinding rollers, unhooked and the present length and positioned on a basket. The plant also allows, through the application of an adhesive label or tape, to close the produced roll.
Control panel where it is possible to set each parameters of production like number of rolls to produce and length.
Once inserted the roll of departure, the "coreless rewinder rp" proceeds to the production of the rolls without internal core without any intervention of the operator which is only necessary to load a new mother roll and to remove the produced roll from the basket.
The plant is conforming to the ce safety directives and it is furnished complete of manuals of operation and maintenance.
Lam machine, thanks to its flexibility, is a system that allows to:
- laminate on the total surface two or more rolls of plastic materials as air bubble film of two or three layers, ldpe or hdpe films and foam.
- to effect a joining through longitudinal sealing rollers of 20-40mm of two rolls of air bubble film with aluminium on a side. The coupling can also foresee an inside material of expanded foam or other materials.
The lam plant results therefore very suitable for the production of laminated materials and for those people who intend to produce complex materials for insulation market
The perforating unit is totally an independent group that allows to pre-cut different types of material as film air bubble film, plain pe films, foam, paper to desired intervals. The plant results ideal to put in line with other system as extruders, air bubble film machinery, flexography printing machine. The group, built in steel with auto-level supports, it is composed from a rubber cylinder with neutral movement for the control of the speed of the material, group of pre-cut endowed with brushless motor and cylinder with toothed blades, cylinder of compression brushed and motorization for regulation from keyboard (minimum interval of pre-cut 200mm). The cover protection and the electric plant are conforming to the safety norms ce.
The plant can be completed with the trimming group.
Flexoline is the last generation lombardi flexo press.
Flexoline's printing unit is our bigger technical success: it is a masterpiece of precision and simplicity of use.
In fact printing unit's project was developed inspiring to hyper systems technical concept.
A system is said to be a hyper system if its features optimize a specified technical parameter.
More in detail flexoline's printing unit exhibits:
Hyper-fit-system: an innovative system is used for print rolls allowing for immediate fitting of cylinders of different diameter with no need for an adapter. In fact print rolls lay on a special algorithmical-studied curve that ables to keep constant the printing pressure varying the roll diameter. (it minimizes the fitting time).
Hyper-fix-system: the plate cylinder is pneumatically clamped with a conical piston that grants irreversibility of motion and reduces motions and vibrations to a minimum. (it optimizes stability).
Hyper-clean-system: when the machine stops, the ink roller (anilox) is first removed, followed (after a settable time) by the print cylinder, in order to clean ink in excess (an essential operation when using non-uv inks).(it minimizes cleaning time).
The demand to offer different productive solutions to its own customers, has allowed Torninova to apply its own technicall ability and experience in the production of air bubble film, in the production of machinery with in-line processing equipped with cast extruders (mono).
The plant Power Bubble put together all the modern technologies and stand out for the following characteristics:
Extruders with a.c. motor mounted in axis and controlled by inverter with nitrided steel barrier screws realized to plasticize and homogenize the material to extrude in different diameters according the request production capacity.
Flat die with double delivery or separated flat dies for a good control and adjustments of the produced films, realized in steel with adjustable deliveries.
Infrared Barrel Heating power saving up to 20%, long heater element life and quicker cooling response times
Forming unit climbed on guide and rack arms that allow the automatized movement from the stand-by position to the production position thought PLC. The forming cylinder is mounted on mobile structure (motorized and controlled by PLC) in both the directions for the regulation of the materials deliver for the flat dies and for its fast interchangeability.
Main control panel managed by PLC, complete with supervision software managed through touch screen that allows the planning and the control of the whole plant.
The forming cylinder is thermoregulated by a water thermoregulation unit in order to maintain more constant its temperature
Produced air bubble film width from 1.000mm to 2.500mm (or more on request)
The plant can be equipped (also in a second time thanks to its modularity) with various accessories:
Forming cylinders with bubbles in different sizes
Perforating unit equipped with brushless motor.
Cast cylinders thermoregulated by diathermic oil units for a better control of the produced films
Third and fourth layer unit that allow the in-line lamination of one or two sides of air bubble film eliminating others processing
Trimmed edge recovery systems that allow the in-line recycling of the trims with hopper feeding extruder
Gravimetric blending and metering for up to 4 ingredients for a more accurate and automated management of the granules to be extruded
Ink-jet printing unit to personalize the material with logos and symbols
The polyboll machine is customizable with different options as moulder cylinders with different bubbles size, third and fourth layer unit, automatic loader for pellets, etc.
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