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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 and CFK
  • Robust central rubber tube
 Expansion method - Pneumatic
Clamping rails
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 ≥ 50 mm
Slit with of multi-reels - minimum 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 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

Construction

  1. Carrier tube
  2. Valve
  3. Expansion segment
  4. Clamping shells
  5. Central rubber tube
  6. Tube sealing elements
  7. Reset spring
  8. Centering-/ guiding rail

3D sectional view, Expanding and Winding Shafts, Serie 2140

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