Lanfranchi Group

Lanfranchi Group è un’azienda leader nel settore dell’imbottigliamento.
Dal 1980 creiamo e progettiamo linee adatte ad ogni tipologia di contenitore plastico.

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Unscrambler LRPU TW


The twister rotary preform unscrambler has been designed using Twister technology, a technology that is applied when it is necessary to unscramble particular preforms.

LRPU TW is used to unscramble special preforms such as, for example, those that have a smaller bottle neck diameter than the body diameter.
There are various models of the LRPU TW rotary unscrambler that vary according to the required production speed, always maintaining contained footprints.

The operation of the LRPU TW preform unscrambler can be summarised in 5 steps:

  • The preforms introduced in the lower part of the selection cylinder shall be placed in the appropriate compartments.
  • Correctly positioned preforms shall pass through a reading station, which determines the position of the neck.
  • Preforms shall be extracted from the pick-up hands of the aspirated starwheel.
  • Pick-up hands, driven by an electric or pneumatic system, rotate clockwise or anti-clockwise according to the signal received from the reading station and place them all vertically in the same direction.
  • The preforms shall be inserted in the descent channel to the blow moulding machine.

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