In the process of electronic wire processing, in order to increase the flexibility of the power cord for easy laying and use, generally two or more single wires are interwoven and twisted in the specified direction, and then insulated and overmolded. This process is called stranding.
The core stranding process is widely used because a single wire is not easy to bend and has poor flexibility, which is easy to cause inconvenience in production, transportation, installation, laying and use. At the same time, under the same transmission power, the cross section of a single wire is too large, which will increase the eddy current loss and affect the transmission effect. Twisting treatment can reduce a single cross-section and reduce eddy current loss, while adding a certain degree of flexibility to the cable, which is convenient for future use.
The stranding method of the core is divided into regular stranding and irregular stranding. Irregular stranding is divided into bundle stranding, concentric stranding, extraordinary stranding and so on. In order to reduce the occupied area of the wires and reduce the geometric size of the power cords of the electronic wire manufacturers, the compaction method is used to adjust the shape of the core when stranding the conductors to form a semicircle, sector shape, tile shape, and compact circular shape. Meet the application requirements of various environments.
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