Fully automatic twin rotating arm wrapping machine - SILVER TWIN



SILVER TWIN, the twin rotating arm wrapping machine by Pieri, is the ideal solution for customers who demand the best from their machines: high speed and productivity.

SILVER TWIN is a high-efficiency machine whose design features make it exceptionally solid and reliable.

It has a strong steel structure with four supports which guarantee stability in the points where it comes under the most stress.

The standard SILVER TWIN model features:

  • 2 motorised pre-stretch carriages (model MS-Pro) controlled by an inverter, with pre-stretch with fixed interchangeable ratios. The speed with which the film unwinds is controlled by a sensor which constantly adjusts the motor speed to ensure the pressure exerted on the film is the same over the whole perimeter of the load. The force exerted by the film on the product is electronically controlled and adjusted from the electrical control panel.
  • 2 cutting and welding units which cut and weld the stretch film after wrapping. This prevents loose film tails which could cause load stability problems during transportation. This clamping system can be used with any kind of load; the welding unit never comes into contact with the product as it operates against a contrast bar that is then folded away.

Dati tecnici

Technical data

Standard cycle Up to 130 p/h
Rotation speed Up to 35 rpm
Pallet dimensions*
Min. LxW 800x600 mm
Max. LxW 1000x1200 mm
Min. load height 500 mm
Max. load height 2100 mm
*Available for non-standard pallet and load dimensions



Componenti opzionali

Optional components

  • Top press plate

    The top press plate exerts pressure on the palletised load to keep it stable during wrapping.
    Specially designed for wrapping machine loads, it is available in a pneumatic or electromechanical pantograph version.

  • Pallet lifter

    This device lifts the pallet during wrapping cycle, in this way the film covers both: the load and part or all of the wooden pallet.

  • Roping device

    As the name suggests, the roping system on the carriage reduces the width of the film until a rope is created, increasing load stability and securing the product to the pallet.

  • In-line top sheet applicator STF203

    This automatic device, positioned before the wrapping machine, covers the top of the palletised load with a polyethylene film, protecting it from dust. The film is cold cut by a pneumatically powered blade. The amount of film to place on the load is automatically calculated by a photocell, ensuring optimal consumption.

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