Operating range

  • Usage within shaftless winders and as a trunnion for cantilevered reel take-up
  • Appropriate for automatic use
  • For any type of cores ≥ Ø 50 mm

Characteristic features

  • Mechanically-concentric expansion
  • Robust long-life-construction
  • Simple maintenance
  • Easily exchangeable gripping jaws
  • Low costs of spare parts
Characteristic features
  • Pneumatically generated pushing force by means of pneumatic cylinder or pneum.-hydr. amplifier
  • 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
  • Compatible with automatical usage
  • Options: Core extractor, contact ring, Serie 3630 with hydraulic cylinder for actuation
Expansion method - Mechanic-centrical
Gripping jaw
Winding cores
Any kind as e.g. cardboard, plastic, metal
Nominal diameter - Winding core ≥ 50 mm
Slit with of multi-reels - minimum
(only for winding trunnions)
Reel take-up - multi-reel (slit width ≥ 100 mm) ≥ 100 mm
Concentricity for winding Concentric tolerance ≥ 0,2 mm
Actuation tools
  • Air-pistol, deflation tool
  • Permanent air-supply
  • Actuation method - Pneumatic


    1. Chuck housing
    2. Chuck
    3. Gripping jaw
    4. T-ramp
    5. Reset spring
    6. Pneumatic cylinder
    7. Pneumatic piston
    8. Sealing elements

    3D Sectional view, Winding Chucks and Winding Trunnions, Serie 3330

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