Understanding of compacted(strand) wire rope chararcteristic and production technique difficulty

Abstract: Compacted strand wire rope has such advantages as large contact area with match pulley(capstan) groove, less contact stress between different layer steel wires, more suitable for many layer winding and higher breaking force, the disadvanteges lies in existing stress concentration in steel wire cross section,slipping among steel wire are resistant each other,plastic forming heat having adverse effect for steel wire properties, increasing friction pair abrasion due to unreasonable strand rope lay pitch multiple match. Production technique difficulty lies in higher quality demands for steel wire,lubrication grease and compacting tooling and die,difficult structure parameters design, ask strander having enough power in addition. Compacted wire rope has such advantages as larger contact area with macth pulley(capstan)groove,higher breaking tensile force, more suitable for multilayer winding,improving wire rope anti-rotation property;its disadvantages lie in strands slipping capability decreasing,anti-fatigue property reducing due to effect of contactcompactness of consisting strand adjacent steel wire. The production technique difficulty lie in higher quality demands for steel wire and fibre core,more strict control demands for resonable gap of consisting rope strands.


Keywords: compacted strand wire rope;compacted single layer strand rope; aging; fatigue;structure parameter.

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