Operating range

  • For single and multi-core-usage
  • For any type of cores ≥ Ø 70 mm

Characteristic features

  • Appropriate for high loads and the need for concentricity
  • Concentric reel take-up
  • Mechanical operation by means of internal actuation-screw
  • Exceptionally robust and low maintenance construction
  • Long serviceable life
Characteristic features
  • Actuation screw operated by means of a T-spanner or torque wrench
  • Mechanically-concentric expansion movement of gripping jaws (principle of incline)
  • Exchangeable gripping jaws made of steel; also available with polyurethane-covering
  • Restricted and spring assisted reset of the gripping jaws
  • Base material: steel or special materials
Expansion method - Mechanic-centrical
Gripping jaw
Winding cores
Any kind as e.g. cardboard, plastic, metal
Nenndurchmesser Wickelhülse ≥ 70 mm
Slit with of multi-reels - minimum Reel take-up - multi-reel (slit width
≥ 100 mm) ≥ 100 mm
Concentricity for winding Concentric tolerance ≥ 0,2 mm
Actuation tools
T-spanner, torque wrench
Actuation method - Mechanical


  1. Carrier tube
  2. Actuation screw
  3. Gripping jaw
  4. T-ramp
  5. Chuck
  6. Push rod

3D sectional view, Expanding and Winding Shafts, Serie 2231

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