Film shrinkwrappers

LSK ERGON Series

LSK 32 ERGON - Film shrinkwrappers up to 30+30 ppm

The LSK ERGON series is composed of automatic shrink wrap machines to pack plastic, metal, cardboard or glass containers. Depending on the model chosen, they can make packs in film only, cardboard pad + film, cardboard tray, cardboard tray + film.

LSK ERGON series packers achieve an output rate up to 40 packs per minute in single lane (40+40 in double lane), 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.

All LSK ERGON machines are equipped with a mechanical product grouping system and are supplied with an in-line or a 90° infeed conveyour, depending on the customer’s exigencies. The change-over is manual.

LSK 32 F ERGON
Speed (PPM)60
Packaging TypeFilm Only
Lanes2

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1In the machine infeed zone, an oscillating unscrambler accurately lines up the loose containers carried by a conveyour belt featuring low-friction chains made of thermoplastic material


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2In the pack formation zone, the containers are clustered in the required format through a pneumatic device operating in alternate motion


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3The 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.


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4Before 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
  • Infeed conveyor with chains made of thermoplastic material featuring low friction coefficient and a motorized system of oscillanting laning guides
  • Cardboard magazine situated beneath the infeed conveyour, adjustable according to the blank size
  • Alternate motion cardboard blank picker, equipped with suckers
  • Compact knife group with film cutting blade driven by a direct drive brushless motorisation
  • 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)

Reduced size and competitive prices

Thanks to their reduced size, the LSK ERGON machines are the ideal solution for the customers who do not possess large plants. Moreover, the price of the LSK ERGON models is very competitive, despite the high-tech solutions and the use of very reliable components. All LSK ERGON models can be customized, in order to increase their basic functions.

Modular design

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.

Operational flexibility

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 shrinkwrapper when carrying out manual interventions.

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, sliding on a boom running the whole length the machine (fixed on AFW/LSK/LWP models), enables even less expert operators to easily and effectively run the packaging machine, 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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