| Steel Wire Rope ... |
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| Fundamental Constructions |
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- Single-Wire centre with six wires of the same diameter.
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- Equal number of wires in each layer.
- All wires in each layer are of the same diameter.
- Large outer wires rest in the valley between the small inner wires.
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- Inner layer having half the number of wires as the outer layer.
- Small filler wires, equal in number to the inner layer, are laid in the valleys of the inner layer.
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- One diameter of wire in the inner layer.
- Two diameter of wire alternating large and small in the outer layer.
- The large outer –layer wires rest in the valleys and the smaller ones on the crowns of the inner layer
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- Combination of above constructions. Eg Seale-Filler, Warrington-Seale etc.
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