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Duplex Slitter Rewinders

The ALPHATWIN duplex slitter rewinder is a robust shafted centre rewinder with precise tension and contact control, typically used for flexible packaging and general converting.

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The cantilevered winding shafts are rigid during running yet provide for fast unloading and can easily be integrated with a variety of unloading systems. All models can be supplied with automatic knife positioning, fixed or auto setting laser core positioning and powered roll removal to improve productivity. The touch screen operator interface has simple recipe systems for multiple material types and slitting parameters.

Standard Features

  • Cantilevered winding shafts with swing away support for quick roll change
  • Precise tension control with spacer-less differential rewinding shafts
  • PLC control with touch screen interface and comprehensive recipe and maintenance systems
  • Closed loop unwind tension control
  • Shear or Razor slitting
  • Quality engineered and manufactured in UK


  • Automatic knife setting system
  • Crush slitting
  • Vacuum Trim removal or Traversing Trim winders
  • Powered roll stripping
  • Unloading tree or trolley
  • Individual layon rolls
  • Laser core positioning

Typical Specification

Web width800 to 2,000 mm40 to 80 inches
Rewind diameter600 or 800 mm24 or 32 inches
Minimum rewind width50 mm2 inches
Rewind core diameter76 mm3 inches
Unwind diameterTo 1,800 mm70 inches
Material thickness10 to 500 µm0.4 to 20 mils
Line speed (maximum)600 m/min2,000 ft/min
Operator interface10" colour touch screen


Buying from Alpha Converting

We prides ourselves on our flexible approach to meeting the demands of our varied customers. We take the time to listen to your requirements and to understand your existing production techniques and methods to offer converting equipment that will best fulfill your needs.