The commonly used conductor materials for electronic wires mainly include: copper foil wire, bare copper wire, tinned copper wire, bare twisted copper wire, plated copper wire, silver plated copper wire, copper clad steel and polyurethane enameled wire.
1. Copper foil, a copper foil (compressed by copper wire) wrapped on polyester fiber into a strand, and then four strands of specification twisted into;Copper foil has good elasticity, softness and bending strength. It is rich in fiber core, easy to absorb moisture and oxidation and become black.Primarily used as a conductor for telephone and game cord.
2. Bare copper wire, with high conductivity, but easy to oxidize at high temperature;Divided into single (or solid) bare copper wire and stranded bare copper wire;The intent of stranding is to keep the conductor soft.
3. Tinned copper wire, tinned on the surface of copper conductor by hot plating or electroplating to avoid copper corrosion, discoloration and make the conductor easier to weld;Divided into single (or solid) tinned copper wire and stranded;The intent of stranding is to keep the conductor soft.
4. Bare ground plated copper wire, first used in the electronic line, to facilitate welding on one hand, on the other hand because the conductor is hard, difficult turns and twists, the easy to above the printed circuit board.
5. Twisted copper plated wire, mainly used for electronic wire, function with bare twisted copper plated wire, tin layer adhesion is better than bare twisted copper plated wire.
6. Silver plated copper wire, the first conductor to add conductive function (better than bare copper wire), oxidation resistance and heat resistance, processing method and tin plated copper wire, divided into single (or solid) silver plated copper wire and stranded;The intent of stranding is to keep the conductor soft.
7. Copper clad steel, copper clad in the steel core made, both copper high conductive function, but also has the high mechanical strength of steel, copper clad steel wire can be used for power transmission and telephone lines of overhead lines;Used for microwave line and copper line has the same transmission function;When used as an overhead telephone line in the mountainous area and the countryside, it can accept the freezing load and the impact of strong wind, and its span is twice as large as that of copper wire.There are silver plated copper clad steel conductors, the first is to improve the conductive function of the conductor, corrosion resistance and oxidation resistance, heat resistance.
8. Polyurethane enameled wire, good strength and softness, mainly used for motor or headphone line;As a motor winding wire or reduce the size of the headphone cable, and then cut the headphone cable all the weight, to ensure strength and softness.
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