Pyradia > Web converting equipment > Products > Winders & unwinds

Winders & unwinds

PYRADIA offers a wide range of standard and custom designed unwind and winder equipment, to provide you with the most appropriate solution to your process application needs.

They are designed to be easily integrated to an existing line or combined with PYRADIA’s coaters, laminators and dryers, to create a completely new process line.

Type of equipment

Details

TYPES OF WINDING & UNWIND EQUIPMENT

  • Automatic surface winders
  • Drum surface winders
  • Open frame turret winders
  • Phantom axis turret winders
  • Cantilevered winders
  • Salvage winders
  • Unwind cut-to-length
  • Linear displacement winders
  • Floor pick-up
  • Roll doctering / inspection
  • Doctor machines

All of our models of winders, from the simplest single position stand to the most sophisticated automatic turret can incorporate the following features and options:

SPLICING / CUT & TRANSFER

  • Optional operator-assist-splice-table, incorporating up- stream & down-stream pneumatic web clamps, a knife guide and a tape dispenser
  • Manual splice, semi-automatic and fully automatic flying splice capability for our single, two position and turret unwinds
  • Manual, semi-automatic and fully automatic cut & transfer for our single position, turret and linear displacement winders
  • Zero speed unwinds lap/butt splice

TENSION CONTROL

  • Manual tension control
  • Ultrasonic diameter sensing
  • Dancer-roll control
  • Closed loop transducer roll control

 

CONSTRUCTION TYPES

  • Heavy-walled fabricated tubular structure
  • Thick machined plate construction

BRAKES / DRIVES

  • Pneumatic puck style brakes
  • Magnetic particle braking techniques
  • AC Vector drives for very low tension
  • Servo drives
  • Fully reversible systems
  • Braked or driven
  • Center, surface or surface/center driven

OTHER AVAILABLE FEATURES

  • Over/under unwind/wind capability
  • Manual side-lay, automatic edge guiding, centerline guiding
  • Skew roll for baggy edges
  • Shafted or shaftless
  • Cantilevered or removable mandrel

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