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Wire Rope Slings
Sling angles - and wire rope capacities
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Slings angles affects ropes capacities.
If angles are measured between vertical lines (as with gravity forces) and the ropes, the relative capacity reduction compared to vertical straight lifting hitches can be indicated as below:
|
Angle - α - (degrees) |
Factor - f - |
| 0 | 1.000 |
| 10 | 0.985 |
| 20 | 0.940 |
| 30 | 0.866 |
| 40 | 0.766 |
| 50 | 0.643 |
| 60 | 0.500 |
| 70 | 0.342 |
Example - Capacities of Wire Rope Slings - 60 degrees angle
From the table above - the capacity of a lifting wire rope sling is reduced to 0.500 of the vertical lifting capacity.
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