Operating range

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

Characteristic features

  • Robust long-life construction
  • Transmission of high torques
  • Simple maintenance
  • Budget-priced
  • Low costs of spare parts
Characteristic features
  • Pneumatically actuated by means of pressurization
  • Pairs of gripping bolts
  • Spring-assisted reset
  • Base material: aluminium, steel or specail materials and CFK
  • Robust central rubber tube
Expansion method - Pneumatic
Gripping bolts
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 150mm / 6"
Nominal diameter - Winding core ≥ 70 mm
Slit with of multi-reels - minimum Reel take-up - Narrow reels ≥ 50 mm
Concentricity for winding
depends on clearance between outer diameter of winding shaft and inner core diameter
Concentric tolerance ≥ 1,0 mm
Actuation tools
Air-pistol, deflation tool
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. Carrier tube
  2. Valve
  3. Expansion segment (bolts)
  4. Central rubber tube
  5. Tube sealing elements
  6. Reset spring

3D sectional view, Expanding and Winding Shafts, Serie 2150

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