Categorization：Product Information
Communication line is a cable used to transmit data, signal and communication, which is used to connect various communication equipment and systems, such as computer network, telephone system, broadcasting system, etc. The communication line is usually composed of conductor, insulation layer, shielding layer, outer sheath, etc. The production process of the communication line includes the following main steps: Conductor manufacturing: First, according to the requirements of the communication line, the conductor is manufactured. Conductors are usually made of copper or copper alloys and are manufactured by processes such as copper wire drawing, stranding, or copper foil covering. Insulation treatment: After the wire is manufactured, insulation protection is required to prevent signal interference and short circuit. The insulation layer is usually coated or extruded with materials such as polyethylene (PE), polyvinyl chloride (PVC), or polypropylene (PP). Preparation of shielding layer: For some communication lines, especially cables used for high-frequency signal transmission, the addition of shielding layer is necessary. The shielding layer is usually made of aluminum foil, copper mesh fabric or copper foil cladding to provide shielding protection for external interference signals. Wire core assembly: the insulated wires are assembled into a wire core according to a specific arrangement mode. This involves twisting multiple wires together to provide better signal transmission and immunity to interference. Addition of outer sheath: In order to protect the wire core and provide external protection, the communication wire needs to be added with an outer sheath. The outer sheath is usually made of wear-resistant, corrosion-resistant and pressure-resistant materials, such as PVC, polyvinyl chloride (PVC) or polyurethane (PU). Testing and quality control: Various testing and quality control measures are required during the production process to ensure the performance and reliability of the communication lines. This includes the resistance test of the conductor, the withstand voltage test of the insulation layer, the continuity test of the shielding layer, etc. Printing and packaging: After the production of the communication line is completed, printing, marking and packaging shall be carried out. Identification usually includes product model, specification, production date and other information, which is convenient for users to identify and use. It should be noted that the production process of the communication cable can be different according to the specific cable type, application requirements and requirements of the manufacturer. The above steps only provide a basic overview of the general communication line production process flow.
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