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Carbon Fiber Expanding Lug Shafts

Lightweight carbon fiber core shafts minimize shaft weight in unwind and rewind converting applications.

  • Meet OSHA standards for minimizing operator lifting injuries.
  • Replace heavy steel shafts without sacrificing strength or stiffness.
  • Double E pioneered the use of carbon fiber as a shaft housing material in 1989. Tens of thousands of Double E carbon fiber shafts are being used by converters all over the world.

DLB-2000 Carbon Fiber Core Shafts - Features, Advantages and Benefits

Carbon Fiber Shaft HousingLightweightFewer shaft handling injuries lower worker’s compensation expenses and non-productive time.

Meet regulations for single person lifting.
Better ergonomicsNo maintenance or jamming, no contamination.
Less deflectionReduced vibration and less roll bounce.

Heavier roll weights.
Higher critical speedMore throughput.
Protective Outer SleeveProtects carbon fiber
shaft from abrasion.
Longer carbon fiber
shaft life.
Proprietary BladderStretches less than traditional
Dependable lug collapse ensures
consistent, easy removal of shaft from spent cores
More resistant to
heat, puncture, and abrasion.
Far less bladder failure
and minimized maintenance.
Springless LugsNo springs to break and puncture bladder.Longer bladder life; less maintenance
Diamond pattern gripping surface with large surface areaBetter grip with less
Custom JournalsNo press fit facilitates
journal removal.
Bladder replacement,
though rare, is quick and easy

DLB-2000 Carbon Fiber Shaft Components

  1. Carbon fiber shafts have stainless steel air valves that will not corrode.
  2. Easy-access journal fastening system (no press fit).
  3. Gripping lugs.
  4. Proprietary corded polyprene bladder material minimizes bladder failure and subsequent maintenance.
  5. Carbon fiber shaft housing can provide stiffness and strength equal to steel at a fraction of the weight.
  6. Metal sleeve protects carbon fiber shaft housing from abrasion.
  7. Hardened steel journals custom made to fit any machine.

CF-1000 Dura-Light Non-Expanding Carbon Fiber Shafts (Through Shafts)

  • Used with core chucks to provide a lightweight shaft assembly

Dura-Light Mechanical Carbon Fiber Expanding Lug Shafts

  • For high speed and/or heavyweight applications requiring maximum torque capacity and minimum vibration.
  • Mechanical design provides the most powerful gripping force possible.
  • Activated by turning a crank (or impact wrench) that is inserted into the end of a journal.
  • Requires just five cranks for full expansion – lugs rise concentrically to center the carbon fiber shaft in the core, minimizing the roll bounce common with other types of expanding shafts.
  • Mechanical and Pneumatic/Mechanical Shafts are also available in Double E's traditional steel design.


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