Selection of Wire Harness Material
Release time:
2023-11-30
The quality of the wiring harness material directly affects the quality of the wiring harness. The selection 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 wire harness products, must not be greedy for cheap, cheap wire harness products may be used in inferior wire harness materials. How to distinguish the quality of the harness is good or bad? Understand the material of the harness to understand. The following is the wire harness material selection information.
The wire harness is generally composed of wires, insulating sheaths, terminals and wrapping materials. As long as you understand these materials, you can easily tell the wiring harness is good or bad.
Material Selection of 1. Terminals
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 coatings can be selected according to different requirements.
Selection of 2. insulation sheath
Sheath material (plastic parts) commonly used materials are mainly PA6, PA66, ABS, PBT, pp and so on. According to the actual situation, flame retardant or reinforced materials can be added to the plastic to achieve the purpose of reinforcement or flame retardant, such as adding glass fiber reinforcement.
Selection of 3. Harness Wires
According to the different use environment, select the corresponding wire material.
Selection of 4. dressing materials
Wiring harness bandage plays the role of wear resistance, flame retardant, corrosion prevention, interference prevention, noise reduction, and appearance beautification. Generally, the bandaging material is selected according to the working environment and space size. In the choice of dressing materials are usually tape, corrugated pipe, PVC pipe and so on.
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Wire harness processing The main process of wire harness production
Acceptance of incoming materials: use ROHS instruments for environmental protection testing to test whether all incoming materials required for wiring harnesses meet ROHS standards. Equipment required: OHS tester equipment. Process requirements: incoming materials are not allowed to contain harmful substances such as lead (Pb), mercury (Hg), cadmium (Cd), brominated biphenyl (PBB) and polybrominated diphenyl ethers (PBDE).
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