Precautions for customized electronic wire harness processing

In the field of wire harness processing, the quality of wire harness products has become the core of the various large and small enterprises must grasp, which is related to the lifeblood of the entire company, to stand out from the crowd, will certainly not let go of the quality assurance of this important element of competition. Since we have to ensure the quality of wire harness products, that we choose the electronic material is very important. A lot of companies in the actual electronic wire harness processing operations are facing a major problem, that is, the choice of electronic wire harness material difficulties. Because we choose the material good or bad not only directly affects the appearance of the finished wire harness, the use of performance is good or not, but also related to the quality of the electronic wire harness as well as the service life of the long and short. Prior to this, we should learn some basic knowledge of the harness. Wire is the implementation of UL standards. The so-called UL is a product safety testing and certification body, in the United States is the founder of the safety standards, whether it is fiber optic or copper cable, there is a unified standard, in general, can be divided into the following levels: Booster level - CMP / OFNP test method: air supply combustion test, which is required by the UL fire safety standards for the cable, the applicable safety standards for the UL910, the experimental provisions of the installation of the Horizontal duct laying multiple specimens, with 87.9KW gas Bunsen burner for 20 minutes. The standard of compliance is that the flame must not extend beyond 5 feet (1.524 meters) from the front of the gas Bunsen burner flame. Trunking Class - CMR/OFNR Test Methods: Upright Flame Test This is the second highest rated cable in UL's fire protection standard, UL 1666, which provides for the laying of multiple specimens on a simulated upright shaft for 30 minutes with a prescribed 154.5KW Gas Bunsen burner. The qualifying criterion is that the flame must not spread to the upper part of a room 12 feet (3.6576 m) high. There is no smoke concentration specification for trunking grade cables, which makes it a good requirement for electronic wire harness processing as well. Electronic wire harness customization that we customize electronic wire harnesses have what considerations, in the following to give you a list of one or two, not one by one in detail. We get a wiring harness products, the first thing to see is its appearance, the regular wiring harness connecting wire are used in oxidation-resistant PVC insulation sheath. Electronic wiring harness is the main body of the network of automobile circuits, there is no wiring harness there is no automobile circuit. With the improvement of people's requirements for automobile safety, comfort, economy and emission, the processing technology of automobile electronic wiring harness becomes more and more complex, but the space given to the wiring harness by the body is getting smaller and smaller. Therefore, how to improve the comprehensive performance of automotive electronic wire harness design has become the focus of attention, and automotive electronic wire harness processing manufacturers are no longer simply engage in the late design and manufacture of wire harnesses, and automotive host manufacturers joint pre-development has become an inevitable trend. Out of safety, harness processing convenience, woven wire wrapping has been eliminated, and now is wrapped with sticky plastic tape. Electronic wiring harness processing on the material requirements are also very strict: including its electrical properties, material dispersion, temperature resistance, etc., are higher than the general wiring harness requirements, especially when it comes to safety: such as control systems, brakes, these important components of the wiring harness, the requirements are more stringent. For electronic wire harness processing and wire harness processing plant, also quite strict. Of course, we judge the degree of merit of the wire harness products can not only look at his appearance, it is more important to peel off the insulation layer to see the thickness of the core, according to the size of the core cross-section to determine the good and bad electronic wire harness processing. We should note that many irregular manufacturers use the jacket it is the use of recycled PVC materials, or copper-coated cable, which greatly shortens the service life of the electronic wire harness products.

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