Wire Rope - Rope Drive

Rope Drive

There are technical regulations for the rope drives of cranes, elevators, rope ways and mining installations not exceeding a given tensile force and not falling short of a given diameter ratio D/d of sheave and rope diameters. A general dimensioning method of rope drives (and used besides the technical regulations) calculate the five limits

  • Working cycles up to rope discarding or breakage (mean or 10% limit)
  • Donandt force (yielding tensile force for a given bending diameter ratio D/d)
  • Rope safety factor, minimum breaking force (ability to resist extreme forces)
  • Discarding number of wire breaks (detection to need rope replacement)
  • Optimal rope diameter (economic reasons)

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