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Making Process of Electric Cable

Views:100     Author:Site Editor     Publish Time: 2019-09-11      Origin:Site


Electric cables are usually structured like ropes by stranding several or groups of wires. Each group of wires is insulated from each other and often twisted around a center, with a highly insulated coating covering the whole electric cable. The electric cable has the characteristics of internal electrification and external insulation. And there are many kinds of cables, such as power cables, earth cables and shielded cables and so on. Moreover, today we are going to learn about its making process including technological process and process characteristics, expecting to improve your understanding of the electric cable.



Technological Process of Electric Cable

Electric cable manufacturing is totally different from most mechanical and electrical products. Mechanical and electrical products usually adopt the method of assembling another part into parts, and then assembling multiple parts into a single product. The product is measured by the number of units or pieces. Additionally, electric cables are measured in length. All electric cables are manufactured from the processing of conductors by adding insulation, shielding, cabling and protective layers to the outer layers of conductors. The more complex the product structure is, the more layers it overlaps.



Process Characteristics of Electric Cable


1. Special Production Methods


The production of the electric cable adopts the method of   continuous superposition with large length, which has a holistic and controllable impact on the cable production that can be reflected in various aspects. For example, in production organization and management, operators must be meticulous in accordance with the requirements of the process, because any relative problems will affect the smoothness of the process and the quality of products.


2. Many Technologies and Materials

The electric cable manufacturing involves a wide range of technologies, ranging from smelting and pressure processing of non-ferrous metals to plastic, rubber, paint and other chemical technologies. All kinds of materials used in the electric cable manufacturing are not only of various types, but also of large quantities. Therefore, the amount of various materials and their backups, the batch cycle and the batch must be checked. At the same time, the decomposition, recycling, reuse and waste disposal of waste products should be an important part of management.


3. Much Specialized Equipment

The electric cable manufacturing uses specialized production equipment with the characteristics of this industry process, in order to meet the structure and performance requirements of the cable products. And it is also to meet the requirements of continuous superposition with large length and the high-speed production so as to form a series of specialized equipment for the electric cable manufacturing, such as extruder series and strander series and so on.


4. Three Main Processes

The electric cables are mainly produced by three processes including drawing, stranding and coating. The more complex the model specifications are, the higher the repeatability is. Drawing process is divided into single wire drawing and stranding wire drawing. The stranding process is divided into conductor stranding, cable forming, braiding, steel wire armor and winding. The coating process is divided into extrusion wrapping, longitudinal wrapping, winding and dipping.


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