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  Return to Wire Rope Main Page and Detailed Wire Rope Data  
    Technical Information  
  Use and Care of Wire Rope  
  Wire Rope is a Machine  
    Installation of Wire Rope:  
  Foreword, Measuring the rope diameter  
  If you have to cut a rope  
  Unreeling the rope  
  Connecting the old rope to the new rope  
  Rope lay direction versus Drum Grooving  
  Winding on to the drum  
  Installation of Wedge Sockets  
  Using your rope for the first time  
  Efficiency ratings of end terminations  
    Inspection of Wire Rope:  
  How to inspect Wire Rope  
  Crown- and Valley Wire Breaks  
  Number of broken Wire Discard Tables  
  Reduction of diameter, Rope Wear  
  Rope Stretch, Core Wire breaks  
  Mechanical damages  
  Corrosion, Rope Removal and Cause  
    Maintenance:  
  Inspection of Sheaves and Drums, Dimensions of Groove Radius  
  Cut and Slip Procedure, Lubrication  
    Rope Properties & Data:  
  Tensile Strength and Fill Factor  
  Strand- and Swage Compaction  
  Rotation Resistant and Non-Rotating Wire Rope  
  Sheave and Drum Dimensions  
  Relative Service Life, Loss of Strength over Pins, Why Multistrand Ropes  
Technical Information – Installation of Wire Rope
     
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Unreeling the rope
 
When removing the rope from the shipping reel or coil, the reel or coil MUST rotate as the rope unwinds. Any attempt to unwind a rope from stationary reel or coil WILL result in a kinked rope that is ruined beyond repair.

The following illustrations demonstrate the right and wrong way of unreeling a rope.

Special care must be taken not to drag the rope over obstacles, over a deflection shaft, or around corners.

Avoid large fleet angles between the shipping reel and the first sheave. The rope may roll in the sheave causing the rope to unlay. This is particularly important for all DoPar, langs lay, and non-rotating rope constructions.
  Avoid reeving the rope through small deflection sheaves and avoid changing the plane from vertical to horizontal direction.

If you have to unspool large and heavy wire rope, use a brake to keep a slight tension on the rope. NEVER let the rope go slack and form loops.

All of these precautions apply to Python® as well as to standard 6-strand, 19x7, 19x19, and 34x7 wire ropes.

If in doubt, contact your nearest Unirope® representative.
 
     
     
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