What are the terminal materials for automotive wiring harness processing

The materials used in the processing of automotive wiring harnesses mainly include wires, terminals, sheaths, tapes, PVC pipes, etc., as well as some auxiliary materials, such as: wrappers, protective materials, etc. The most commonly used materials for wires are: QBV, QVR, AVS, AVSS, etc., which are the main materials that make up the automotive wiring harness. Many friends may not be familiar with these designations, here is just an example.Meaning of QBVV wire: Q stands for highway vehicle wire, B stands for thin-walled insulation, VV refers to polyvinyl chloride insulation, polyvinyl chloride sheath. Terminals are the key material for automotive wiring harness connections.

Sheaths are divided into two types: plastic sheaths and rubber sheaths. Plastic sheaths are used to connect the wiring harnesses with the wiring harnesses, or to connect the wiring harnesses with the electrical appliances on the car; rubber sheaths are used to locate the holes in the car body or for waterproof sealing of the wiring harnesses. Tubing plays a role in protecting and waterproofing the wiring harness, and can also play a role in damping vibration and reducing noise. Tubing materials generally include PVC tubing, corrugated tubing, heat-shrinkable tubing, silicone tubing and so on. Tubing materials are generally used in automotive wet areas, that is, places with harsh working environments, such as engine compartments, chassis and so on. Heat shrink tubing is divided into single-wall heat shrink tubing and double-wall heat shrink tubing, single-wall heat shrink tubing is generally used for grounding terminals or medium-voltage terminal insulation protection, double-wall heat shrink tubing is mainly used for the installation of wiring harnesses installed in the wet zone of the joints of the insulation waterproof. Wiring harness processing tape is divided into cloth-based tape, plastic-based tape, flannel tape, paper tape, etc., almost every kind of harness will use this material. They are used for insulation, protection, waterproofing, vibration damping, soundproofing, marking points, bundling of harnesses and so on.

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