Operating range

  • Usage within shaftless winders
  • For any type of cores ≥ Ø 50 mm”

Characteristic features

  • Automatic mechanical function
  • Mechanically-concentric expansion
  • Exceptionally robust long-life-construction
  • Simple maintenance
  • Easily exchangeable gripping jaws
  • Low costs of spare parts
Characteristic features
  • Mechanically operated by means of external actuation cylinder
  • Mechanically-concentric expansion movement of gripping jaws by means of principle of incline
  • Spring-assisted restricted reset of gripping jaws
  • General, customized construction in a modular design
Expansion method - Mechanic-centrical
Gripping jaw
Winding cores
Any kind as e.g. cardboard, plastic, metal
Nominal diameter - Winding core ≥ 50 mm
Single reel take-up Reel take-up - Single reel
Concentricity for winding Concentric tolerance ≥ 0,2 mm
Actuation tool
Not necessary; by means of external generated axial pushing force mechanically self-actuated
Optional: Spanntec CMS (Condition Monitoring System)
Digital system for condition monitoring of reel tightening units which ensures maximum process reliability More information
Spanntec CMS Icon mit Netz schwarz


  1. Chuck housing
  2. Chuck
  3. Gripping jaw
  4. T-ramp
  5. Reset spring

3D Sectional view, Winding Chucks and Winding Trunnions, Serie 3234

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