How is the manufacturing process of twisted pair cable?

I. How is the manufacturing process of twisted pair cable?1 Insulated wire at this stage need to pay attention to the conductor diameter, insulation diameter measurement, insulation eccentricity, conductor and insulation elongation, insulation single line of coaxial capacitance, spark breakdown number, insulation single line of the color, single line of the single line of the plate when the line, etc., the inspection meets the requirements to enter the next process, to ensure that the next process to ensure that the next process can be normal production.2 Stranded pair of cables Manufacturing process, the insulated wire core stranded into a line group, in addition to maintaining the stability of the circuit transmission parameters, increase the cable bending performance for ease of use, but also reduce the electromagnetic coupling between the cable group, the use of its cross effect to reduce the crosstalk between pairs/groups. Stranded pairs should pay attention to the control of the take-up and payoff tension. Avoid too much tension to put the line is not uniform, strain on the line, the pair of electrical properties have an impact on the line, but also should avoid too little tension to lead to the release of the line too loose to produce winding, knotting phenomenon. 3 cable 4 pairs of data cable cable is very simple, bunch or S-Z stranding can be used in the process of a certain cable spacing, reduce the crosstalk between the pairs of crosstalk, etc. 4 sheathing sheathing process is similar to the insulation process in production. Process, the process for the cable core uniformly wrapped in a layer of protective jacket, and in the jacket printing manufacturer's product information and related content. Sheath type can be divided into flame retardant, non-flame retardant; indoor, outdoor and so on.

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