The AFW ERGON series is composed of automatic shrink wrapping machines to pack loose plastic, metal, cardboard or glass containers featuring a rectangular/square bottom (also oval or cylindrical by means of an ancillary device) and/or already made packs.
All AFW ERGON machines are equipped with a 90° product infeed conveyor and with a mechanical grouping system featuring a push-in device that slides on a brushless motor-driven linear guide.
Depending on the model chosen, these shrink wrappers can make packs in film only, cardboard pad + film, cardboard tray, cardboard tray + film.
AFW ERGON series packers achieve an output rate up to 40 packs per minute, according to the machine model and the type of product to be handled. The pack collations can vary according to the containers' shape, capacity and size; the most requested collations are: 2x2, 3x2, 4x3 and 6x4.
AFW 40 F ERGON
AFW 40 P ERGON
AFW 40 T ERGON
Pad + Film
Tray + film Tray only
1An 90° product infeed conveyor, equipped with low-friction chains made of thermoplastic material, carries loose containers or already made packs to the pack formation zone, where the containers are clustered in the required format through a mechanical system made up of a pneumatic press and a product push-in device that slides on a brushless motor-driven linear guide.
2In P and T models, a corrugated cardboard pad or blank is picked from the blanks magazine by an alternate motion picker composed of a group of vacuum suckers. The pad or the blank moves along the blank climb and gently places itself underneath the group of products in transit with the long side leading.
3In the tray former, special mechanical devices fold the blank’s front and rear flaps. The side flaps are sprayed with hot melt glue and then folded, thus forming the tray.
4The unwinding of the film reel, placed in the lower part of the machine, is controlled by a progressive brake, which ensures the film constant tension.
5Before the pack enters the shrinking tunnel, the film is wrapped around the container batch and overlapped at the base of the pack.
Machine bearing frame made of sand-blasted and powder-painted steel
The machine is equipped with sliding protection doors in anodised aluminium featuring a rounded shape which let all the motors (featuring low energy consumption) be placed externally if compared to the mechanical groups they activate.
The closing system of doors is equipped with a slow-down device, which accompanies the door smoothly in its final phase of closure
Absence of gearboxes and prevailing employment of ICOS brushless motors equipped with digital servo-driver integrated into the motor
For life lubricated pads
Alternate motion cardboard blank picker, equipped with suckers
Before the pack enters the shrinking tunnel, the film is cut by a knife equipped with motorized blade and then wrapped around the group of containers and overlapped on the bottom of the pack.
The adjustment of the film length is electronic
Compact knife group with film cutting blade driven by a direct drive brushless motorization
The shrink tunnel features state-of-the-art technical solutions reducing energy consumption and ensuring an eco-friendly working process.
The tunnel conveyor belt is made up of fibreglass bars, driven by side chains (®SMI).
Thanks to the precise analysis of thermodynamic phenomena generated by the shrink process, the tunnel distributes hot air flows in an efficient and homogeneous way on the pack, thus ensuring its excellent quality at the end of the process.
Shrink resistances are positioned on the side walls of the tunnel
Heat-shrinking tunnel with forced air ventilation
POSYC® control panel mounted man-high and running the whole length of the machine (fixed on AFW/LSK/LWP models)
Compact size and competitive prices
Thanks to their reduced size, the ERGON machines are the ideal solution for the customers who do not possess large plants. Moreover, the price of the ERGON models is very competitive, despite the high-tech solutions and the use of very reliable components. All ERGON models can be customized, in order to increase their basic functions.
SMI machines are designed according to advanced principles of module assembly and feature interchangeable mechanical and electronic components, which ensure a reduction of the down-times during technical interventions or programmed maintenance and the optimization of the use of spare parts on stock.
SMI machines can package a wide range of products in several pack collations, so as to effectively meet the end user's current and future requirements.
Moreover, each machine can be equipped with additional devices, which increase its basic functions and ensure a high level of customization of the final package.
Motors directly connected to the drive shafts
SMI machines do not include gearboxes: the motors are directly connected to the drive shafts. The consequent advantage is the reduction of maintenance, energy consumption and noise.
Easy and low-cost maintenance
The rounded protection doors of ERGON models allow broader space inside the machine and thus the motors can be mounted externally on the machine side edges.
Therefore, they are easily accessible and reachable for maintenance.
Actually, the operator doesn't need to enter the internal parts of the shrink wrapper when carrying out
Constant film tensioning
Film reels placed in the lower part of the machine with film unwinding controlled by a progressive brake and constant film tensioning ensured by a system provided with a tensioning spring
Precise and automatic film cut
Film-cutting unit equipped with direct drive motorization that allows to easily carry out motor maintenance and reduce maintenance operations.
User-friendly man-machine interface
The POSYC® control panel, fixed or sliding on a boom running the whole length of the machine (depending on the machine model), enables even less expert operators to easily and effectively run the packer, thanks to an intuitive interface, a touch screen display and diagnosis functions and real-time technical support available on the POSYC®.
* Data provided on this page are not binding, as they have to be confirmed by SMI according to the machine user's production conditions and technical specifications.
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