Operating range

  • Preferably for the take-up of multi-cores in narrow reel winding
  • For any type of cores ≥ Ø 50 mm
  • For a take-up of thin and sensitive cores

Characteristic features

  • Robust long-life-construction
  • Transmission of high torques
  • Core-friendly
  • Budget-priced
Characteristic features
  • Pneumatically actuated by means of pressurization
  • Outer clamping shells made of metal, optional with polyurethane-covering
  • Spring-assisted reset
  • Base material: aluminium, steel or special materials
  • Robust central rubber tube
Expansion method - Pneumatic
Gripping shells
Winding cores
Any kind as e.g. Cardboard, plastic, metal
Standard for core size Ø 70 mm, Ø 75 mm / 3", Ø 100 mm / 4", Ø 120 mm / 5" and Ø 150 mm / 6"
Nominal diameter - Winding core ≥ 50 mm
Slit with of multi-reels - minimum
(only for winding trunnions)
Reel take-up - Narrow reels ≥ 10 mm
Concentricity for winding
depends on clearance between outer diameter of winding shaft and inner core diameter
Concentric tolerance ≥ 1,0 mm
Actuation tool
  • Air-pistol, deflation tool
  • Permanent air-supply
Actuation method - Pneumatic
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. Body
  2. Valve
  3. Expansion segment
  4. Clamping shells
  5. Central rubber tube
  6. Tube sealing elements
  7. Reset spring

3D Sectional view, Winding Chucks and Winding Trunnions, Serie 3140

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