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  3. Serie 3170

Operating range

  • Differential winding shaft; cantilevered principle
  • For multi-reel-rewinding of narrow reels of material with unequal thickness
  • Used on centre-driven slitters and re-reeling machines with longitudinal section
  • For cardboard and plastic cores ≥ Ø 55 mm

Characteristic features

  • Ball-bearing friction-rings; mechanical core clamping – transmitted frictional function
  • Simple positioning of winding core sections
  • Saves set-up time
  • Individual web tension control
  • The rewind station has to be provided with an automatic web tension control, web tension measuring and automatic control of air supply
Characteristic features
  • Winding core sections positioned by means of spring assisted balls within the friction rings
  • Ball-bearing friction rings made of steel
  • Permanent air supply, controlled in relative to web tension and reel diameter
  • Controlled torque transmission by means of pneumatical expansion of friction rails
  • The core is gripped by means of the balls in the friction ring when web tension is applied in the winding direction
  • The core is free to move against the winding direction when web tension is removed
  • Internal and covered multi-bladder-system
 Ball-bearing friction-rings
Expansion method - Mechanic-centrical
Expansion method - Pneumatic
Clamping rails
Winding cores
Quality cores of cardboard or plastic		 Nominal diameter - Winding core ≥ 55 mm
Slit with of multi-reels - minimum Reel take-up - Narrow reels ≥ 10 mm
Concentricity for winding Concentric tolerance ≥ 0,1 mm
Actuation tool
Controlled permanent air supply
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. Body
  2. Air supply
  3. Friction rail
  4. Flat rubber tube
  5. Filler neck
  6. Clamping parts
  7. Friction ring
  8. Distance ring

3D Sectional view, Bottom-Knife Shafts and Friction Shafts, Serie 3170

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