Wire rope seizing

Wire rope is most often furnished preformed, but can be furnished non-preformed, upon special request by the purchaser. A preformed rope has the strands shaped to the helical form they assume in the finished rope before the strands have been fabricated into tbe rope. The strands of such preformed rope shall not spring from their normal position when the seizing bands are removed. Cable tool is one of the few applications for which nonpreformed is still used. 

Diameter of Ropes and Tolerance Limits. The diameter of a wire rope shall be tbe diameter of a circumscribing circle and shall be measured at least 5 ft (1.52 m) from properly seized end with a suitable caliper (see Figure 4-65). The diameter tolerance of wire rope shall be... 

The recommended procedure for seizing a wire rope is as follows ... 

Wire Rope Preparation. The wire rope should be securely seized or clamped at the end before cutting. Measure from the end of the rope a length equal to approximately 90% of the length of the socket basket. Seize or clamp at this point. Use as many seizings as necessary to prevent the rope from unlaying. 

The length and number of seizings must be in accordance with the wire rope manufacturer s instructions. 

After the rope is cut, the end seizing should be removed. Partial straightening of the strands and/or wire may be necessary. The wires should then be separated and broomed out and the cores treated as follows ... 

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