Reasons for using multi-core wires in cables

As a professional Wire Harness manufacturer, no matter it is Industrial Wire Harness, automobile wire harness, or medical wire harness, all products are inseparable from wire, and wire is divided into wire harness and multi-core cable. I want to know why the core of the cable Do we need to use stranded wires? Let us take a look together.
Imagine that if the core wire of the cable is made of a single solid metal material, the cable must feel very hard and cannot be bent at will. The larger the conductor OD, the more difficult it is to bend, which will inevitably bring insurmountable difficulties to practical use. After research, the use of multi-strand stranded wire as the core, this structure can not only greatly increase the flexibility of the cable, but also the curvature will not be concentrated in one place when bending, but will be distributed on each wire, so that No plastic deformation occurs during bending, and the insulation layer of the cable is also protected from damage. This is the reason why the cable adopts the stranded core of multiple wires.