about the recycling of copper clad aluminum

China's wire and cable industry promote the use of copper clad aluminum conductor of the technical obstacles and the focus of discussion is how the issue of recycling.

According to the experts: Copper Clad Aluminum and the conductivity of various parameters, indicators with the equivalent section of the copper wires, the density of the small copper wires, only pure copper wire 37-40 percent cheaper than the same specifications - Low around 15 percent copper; environmental protection, energy saving, resource conservation copper, copper specifications Copper Clad Aluminum wires than copper wires saving 76.5 percent; overcome the aluminum conductors contact resistance, low intensity and easy to creep and easy to corrosion, oxidation - Disadvantages.

In recent years, due to higher copper prices, the use of copper wire and cable industry copper clad aluminum conductor of the manufacturers to gradually increase. However, experts have warned that the United States since the 1930s on the successful development of Copper Clad Aluminum, has only been used in high-frequency signal transmission cables, nearly 80 years to promote copper clad aluminum conductor not the practical application of merit serious thought.

However, there are data: the United States GCgs copper clad aluminum of copper wire connecting parts of the reliability of the conclusions that can be connected and copper wire the same way. UL on 10 AWC and 12 AWC due to the aluminum wire connections caused by bad incidents have been studied, and copper Baolv this problem does not exist. U.S. UL has also developed the copper conductor copper clad aluminum standards (UL1561-2001).

British BICCgs after the cable linking the electricity load and seven years of study, after 10 million hours of repeated test results showed that copper clad aluminum in the economic, technical and copper can be competitive and price stability.

ASTM standards in the United States squadron of copper wire copper clad aluminum the detailed structure and characteristics of the provisions of the U.S. companies also TI copper ratio of 10 percent of the copper wire copper clad aluminum as a standard.

Japan Co., Ltd. of copper wire is copper clad aluminum wire and cable can be used as the conductive material for a large number of surveys and research. The pilot study included: copper clad aluminum the conductor structure (the ratio of copper 10 to 15 percent diameter and thickness of the Commissioner language; mechanical properties, surface properties, in particular the contact resistance is particularly aluminium, copper and with the copper clad aluminum Like fine copper. At the same time also its bending rigidity, repeatedly bending, winding, such as repeated testing.

Wire Co., Ltd. also connectors and wiring devices connected to a large number of studies (on the contact resistance of the test and test-electric cycle), and copper connection with the joint research, including the size of the optional use of secondary Crimp The effect of, and the various connectors and wiring for suitability.

Wire Co., Ltd. of Japan a few years after the applicability of research shows that copper clad aluminum to connect easily to connect reliable, light weight, around a good economy a bit, and copper wire as safe and reliable.

copper clad aluminum whether the copper conductor used for high-frequency signal transmission lines or cables for power transmission, in fact, there is a conductor recycling issues. Since copper clad aluminum conductor for the high-frequency transmission cables and has been for years, then those conductor is how to do the recycling?

At present, China's copper wire and cable industries copper clad aluminum conductor of the technical obstacles, is conductor of the recycling problem. However, according to Dalian and Xi'an copper clad aluminum equipment R & D units experts, copper conductor can copper clad aluminum 100% recovery. If I can achieve 100 percent copper conductor copper clad aluminum recycling, which will undoubtedly promote the use of the copper conductor copper clad aluminum a great contribution.

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