The wiring harness is generally composed of a wire, an insulation sheath, a terminal, and a bandage material. As long as you understand these materials, you can easily distinguish the quality of the wiring harness.

One: Material selection of terminal

The copper used for the terminal material (copper) is mainly brass and bronze (the hardness of brass is slightly lower than that of bronze), of which brass accounts for a larger proportion. In addition, different plating layers can be selected according to different needs.

Two: Selection of insulation sheath

Sheath material (plastic parts) commonly used materials are PA6, PA66, ABS, PBT, pp, etc. According to the actual situation, flame retardant or reinforcing materials can be added to the plastic to achieve the purpose of strengthening or flame retardant, such as adding glass fiber reinforcement.

Three: the choice of wiring harness

According to the different use environment, select the corresponding wire material.

Four: choice of dressing materials

Harness banding has the functions of wear resistance, flame retardant, corrosion resistance, interference prevention, noise reduction, and beautification of appearance. Generally, the bandaging material is selected according to the working environment and space size. There are usually tapes, corrugated pipes, PVC pipes, etc. in the choice of bandaging materials.

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