How to pay attention to the selection and checking method of terminal wires?

I. How to pay attention to the selection of terminal wires?

Each step in the production of terminal wires is very important, will directly or indirectly affect the practical effect of the application, but also widely used in electronic products below. Assuming that there is no wiring harness can not be practically used, wiring harness can be said to be the whole, with our human heart is the same, but the terminal wire in the process of practical use is also very important, if it is not the correct use, but also affects the practical use of the product's effect, like a blood vessel on the top of the heart, the same. 1, the raw material selection: raw materials are good or bad indirectly relates to the longevity of the terminal wire! The cable of the terminal line is normally made of pure copper, but not all harness processors will follow the rules of the industry, some harness manufacturers in order to elevate the old cost, and then earn more profit, the use of copper-clad steel, iron or copper-clad zinc cable production of the terminal line, the quality of the harness with this material into the imaginable, not to mention the longevity of the 2, the selection of the standard: different thicknesses of harnesses can withstand different currents. Can withstand the current is not the same, assuming that the fine wire harness used in too high a current below, the harness will not be able to withstand how much current and heat, and then caused by the harness or facilities burned, serious and even cause a fire, therefore, in the use of wire harnesses must look at whether to withstand the appropriate current. 3, the use of the environment: the use of terminal wire environment is also a key factor in affecting the lifespan of the harness, the use of the terminal wire outdoors is certainly not as long as the use of indoor life of the terminal wire. Line is certainly not indoor use of long life, such as outdoor advertising light boxes used by the terminal line for a long time exposure to the sun, rain will greatly extend the life of the terminal line.

II. How to check the terminal wires correctly?

In fact, there are many brands of terminal wire, type, price, size, so then the choice of terminal wire, we must consider all the elements, select the appropriate terminal wire, not just when considering the cost of this part. And the practice of production when checking the terminal line should pay attention to the following issues: 1. Investigate the appearance of the extruded wire body whether to present scratches, grains, miscellaneous, dirty and other bad. 2. The appearance of the wire should be clean, can not be presented with dirty, scratches, the inner core of the wire outside the scratches or breakage, etc. 3. Hit the terminal can not be presented with a deep hit, shallow hit, interruptions of the copper wire, hit the bad and so on bad. 4. Line file if the injection molded to investigate Whether the presentation of shrinkage, Phi Feng, lack of glue, deformation and other bad. 5. Terminal line threaded into the plastic shell wire color line order whether to wear reverse, not wear in place, and other bad.

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