The end of a wire rope tends to fray readily, and cannot be easily connected to plant and equipment. There are different ways of securing the ends of wire ropes to prevent fraying. The most common and useful type of end fitting for a wire rope is to turn the end back to form a loop. The loose end is then fixed back on the wire rope. Termination efficiencies vary from about 70% for a Flemish eye alone; to nearly 90% for a Flemish eye and splice; to 100% for potted ends and swagings.
Considerations
The ratio of a material or structure's strength to its planned or expected stresses conveys its safety factor. If you have detailed knowledge of the material properties involved and can accurately predict the operating conditions, you can accept lower safety factors. If you understand the materials, but will use them under uncertain or unfamiliar operating conditions, engineers recommend higher safety factors.
Wire rope forms an important part of many machines and structures. It is comprised of continuous wire strands wound around a central core. There are many kinds of wire rope designed for different applications. Most of them are steel wires made into strands wound with each other. The core can be made of steel, rope or even plastics.
Wire ropes (cables) are identified by several parameters including size, grade of steel used, whether or not it is preformed, by its lay, the number of strands and the number of wires in each strand.
Wire rope is a rope that's made out of lengths of strong wire wound together rather than lengths of hemp or some other type of cord. Choosing the proper wire rope depends on a number of different factors, and it's important that go through the selection process systematically and that you carefully choose the rope that suits your needs and your budget.
Instructions:
1. Review the job of the wire rope. For instance, if you're going to buy a wire rope to use as elevator or bridge cable then strength and durability are extremely important. If on the other hand you're looking for some heavy duty theater rigging you'll be more concerned about the weight of the cable and how well it can blend in with surroundings.
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