What is a wire harness? How to choose the wiring harness material?

The harness provides a certain load source group with a total of service equipment, such as trunks, switching devices, control systems, etc. The basic research content of voice service theory is to study the relationship between call volume, call loss and harness capacity, therefore. Harness is an important basic concept in the theory of voice service.

I. How to choose the wire harness material? The good or bad of the wiring harness material has a direct impact on the quality of the wiring harness, the choice of the wiring harness material is related to the quality and service life of the wiring harness. Remind the majority of you, in the choice of wiring harness products, must not be greedy for cheap, cheap wiring harness products used may be poor quality wiring harness materials. How to distinguish between good and bad harness quality? Understand the material of the harness will understand. The following is the information on the selection of wiring harness materials. Wiring harnesses are generally composed of wires, insulating sheaths, terminals, and wrapping materials. As long as you understand these materials, you can easily distinguish between good and bad wiring harness. 1, the material selection of the terminal terminal material (copper parts) with the copper is mainly brass and bronze (brass hardness than the hardness of bronze is slightly lower), which accounted for a larger proportion of brass. In addition, different plating can be selected according to different needs. 2, the choice of insulation jacket jacket material (plastic parts) commonly used materials are mainly PA6, PA66, ABS, PBT, pp and so on. According to the actual situation in the plastic to add flame retardant or enhancement materials, in order to achieve the purpose of enhancing or flame retardant, such as the addition of glass fiber enhancement, etc. 3, the choice of wire harness wire according to the use of different environments, select the appropriate wire materials. 4, the choice of wrapping materials harness wrapping to play a role in wear-resistant, flame-retardant, corrosion-resistant, to prevent interference, reduce noise, beautifying the appearance of the role of the general working environment and the size of the space to Selection of wrapping materials. In the choice of wrapping materials usually have tape, bellows, PVC pipe, etc..

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