Wrap-around case packers with in-line infeed

LWP ERGON Series

LWP 30 ERGON - Wrap-around case packers up to 30 ppm

The LWP ERGON series includes automatic machines for the packaging of plastic, metal , cardboard and glass containers in corrugated cardboard cases and/or trays without film.

The LWP ERGON series case packers can achieve an output up to 30 packs per minute, according to the product.

The pack collations can vary according to the containers shape and dimensions; in general, the most requested collations are: 2x3, 3x4 and 4x6.

LWP ERGON case packers are equipped with a mechanical product grouping system and are supplied with an in-line or a 90° infeed conveyor, depending on the customer’s exigencies. The changeover is manual.

LWP 30 ERGON
Speed (PPM)30
Packaging TypeWrap-around case
Tray only
Lanes1

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1In the machine infeed zone, a group of guides accurately lines up the loose containers carried by a conveyor belt featuring low-friction chains made of thermoplastic material. In the pack formation zone, the containers are clustered in the required format through electronically synchronized fingers and dividing bars, operating in continuous motion.


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2A corrugated cardboard blank is picked from the blanks magazine by an alternate motion cardboard blank picker composed of a group of suction cups, moves along the blank climb and places itself underneath the group of products in transit with the short side leading. In the tray/case former, the cardboard blank is folded and wrapped around the products by special guides.


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3The flap folding devices fold the blank’s side flaps and then the upper/lower flaps of both the front and back side of the pack. The hot melt glue sealing ensures an excellent resistance of the pack.


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4At the machine outlet, the pack walls are pressed by special guides that guarantees a perfect and lasting squaring of the cases. Such system ensures perfect and durable pack squaring, if compared to pressing systems with rotating chains, which cannot provide the same quality standard.


  • Machine bearing frame made of sand-blasted and powder-painted steel
  • 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 bearings
  • Infeed conveyor with chains made of thermoplastic material featuring low friction coefficient and a motorized system of oscillating laning guides
  • Cardboard magazine situated beneath the infeed conveyor in an easily accessible position (P and T models)
  • Alternate motion cardboard blank picker, equipped with suckers
  • Interactive 7'' touchscreen display (15'' model mounted on an arm sliding on rail available as an option)

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

These 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 cost-saving maintenance

The rounded safety doors enable to have more space inside the machine and thus to install motors externally compared to the mechanical units they drive, which allows the operator to easily perform the activities connected to the plant maintenance.

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®.

Perfect cases

The LWP casepackers are equipped with fixed guides, which press the pack walls at the machine outlet. This system ensures a perfectly balanced, resistant case, whereas the rotary chain pressing systems can not guarantee the same quality level.

"User-friendly" man-machine interface

The POSYC® control panel, sliding on a boom running the whole length the machine, is very easy to use, thanks to the intuitive interface, the touch screen and the diagnosis functions and real-time technical support on the POSYC®.

Images are for illustrative purposes and data are not binding, as they have to be confirmed by SMI according to the machine user's production conditions and technical specifications.