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Should rigging be ductile?

Rigging is more commonly seen in wire rope fittings, mainly used for hoisting, traction and tension, etc., because of its high strength and toughness, it has been well received by everyone. But should rigging be ductile?

So let’s talk about this a little bit. First of all, everything is malleable, it’s just the difference of the extension curve, but let’s use the technical term here, which is the tensile stress curve. As a tool, we first need to ensure that the elastic stress range cannot be exceeded, which requires that our rigging should take into account the maximum stress value it can withstand when making it, and then deduce the information such as the rigging manufacturing process.

Of course, when rigging is used, it is often used together with many complex structures rather than a single one, which requires us to consider the impact of force analysis on the ductility of rigging in mechanics. Of course, from this point of view, it is better for the cable to have a certain ductility, because if the cable is suddenly stressed and has no tensile property when it is lifted, the cable itself will bear too much instantaneous tensile stress, which is easy to exceed the limit stress it can bear. And if there is a certain elastic tension it will act as a buffer during lifting which will greatly reduce the chances of the wire rope breaking.


Post time: Nov-09-2020
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