|
Mechanical damage due to rope movement over sharp edge projection whilst under load. |
Localized wear due to abrasion on supporting structure. |
|
|
|
|
Narrow path of wear resulting in fatigue fractures, caused by working in a grossly oversize groove, or over small support rollers. |
Two parallel paths of broken wires indicative of bending through an undersize groove in the sheave. |
|
|
|
|
Severe wear, associated with high tread pressure. |
Severe wear in Lang Lays, caused by abrasion. |
|
|
|
|
Severe corrosion. |
Internal corrosion whilst external surface shows little evidence of deterioration. |
|
|
|
|
Typical wire fractures as a result of bend fatigue. |
Wire fractures at the strand, or core interface, as distinct from ‘crown’ fractures. |
|
|
|
|
Break up of IWRC resulting from high stress application. |
Looped wires as a result of torsional imbalance and/or shock loading. |
|
|
|
|
Typical example of localized wear and deformation. |
Multi strand rope ‘bird caged’ due to torsional imbalance. |
|
|
|
|
Protrusion of rope centre resulting from build up of turn. |
Substantial wear and severe internal corrosion. |
|
|
|
