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What are the basic materials of automotive wiring harness
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- Time of issue:2021-12-01 15:18
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What are the basic materials of automotive wiring harness
- Categories:News
- Author:
- Origin:
- Time of issue:2021-12-01 15:18
- Views:
Information
The car wiring harness is the carrier of the connection between the various components of the car circuit. Someone has made a vivid analogy before. The car wiring harness is the blood vessel, the car engine is the heart, the heart beats because of the blood vessel, and the engine runs due to the wiring harness. It can be seen that the car wiring harness is about the car circuit. The importance of normal stability. Therefore, it is very necessary to understand the product and process knowledge of automotive wiring harness.
The wire harness refers to the touch terminal (connector) punched from copper material, after crimping the wire and cable, and then plasticizing an insulator or adding a metal shell, etc., to form a connecting circuit assembly with a wire harness. In short, it is the electric wire connecting the car's electrical appliances. The operating conditions and parameters of the car are reflected on the on-board computer through the wiring harness. On the other hand, the electronic technology content of automotive wiring harnesses has become an important target for reviewing automotive functions.
Classification of automotive wiring harness
Automotive wiring harnesses can be divided into main wiring harnesses and small wiring harnesses. The main wiring harness includes engine wiring harness, center box wiring harness, instrument panel wiring harness, cockpit wiring harness, etc.; while the small wiring harness includes door wiring harness, battery wiring harness, ABS brake wiring harness, etc. In addition, according to the voltage difference, automobile wiring harnesses can be divided into high-voltage wiring harnesses and low-voltage wiring harnesses. The biggest characteristic of automobile high voltage line is high voltage and small current, high insulation function requirements, so the insulation layer is often thicker and the core wire is relatively thin.
Production process of automobile wiring harness
The production process of car wiring harness mainly includes wire opening, crimping, pre-assembly, final assembly, etc. The primary material of the wiring harness is heat shrinkable material, which is an important insulation material in the car wiring harness. The proportion of domestic shopping malls where heat-shrinkable materials are used for car manufacturing is still very low, only about 20%. It is worth mentioning that 80% of the world's shopping malls are occupied by American Raychem and Japanese Sumitomo.
The development trend of automotive wiring harnesses will follow the development of car electronics, economy, comfort, and reliability will become more and more prominent, and the requirements for wiring harnesses will become higher and higher. Domestic automotive wiring harness shopping malls will gradually shift from low-cost strategic shopping malls to high-tech, cost-effective shopping malls. Automotive wiring harnesses are also developing in the direction of high-voltage, lightweight and standardization.
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