(1)Electromagnetic the basic concept of wire

Electromagnetic wire, also known as winding wire, is a conductive metal wire wrapped by an insulating layer, which is used to wind a coil (also known as a winding) of an electrical product. The working principle of Electromagnetic wire is Faraday electromagnetic induction phenomenon. The current generates a magnetic field through the coil or the coil cuts the magnetic lines of force to generate an induced current, realizing the mutual conversion of electric energy and magnetic field energy. Electromagnetic wire is an important component of power equipment, household appliances, industrial motors and transportation equipment, and is known as the "heart" of motor and electrical industrial products ".

(2) Overview of Electromagnetic wire applications

Electromagnetic wire has a wide range of applications, according to the Electromagnetic wire material, specifications, performance of different areas of application are different, Electromagnetic wire downstream is mainly used in household appliances, power equipment, industrial motors, automotive motors and power tools and other fields.

(3) the development of the global Electromagnetic wire industry

Since the British physicist Faraday discovered the phenomenon of electromagnetic induction in 1831, the principle of magnetic and electrical conversion has been widely used. Electromagnetic wire is the core component of electromagnetic conversion, which is widely used in electrical equipment such as generators, motors and transformers. With the continuous upgrading of electrical applications in the world, the industrial transformation of Electromagnetic wire has gradually attracted people's attention. Electromagnetic the continuous development and innovation of wire technology, the types of Electromagnetic wire continue to increase, which brings more development possibilities for power applications.

The United States was the first to obtain a patent for insulating paint and fiber technology in 1875. In the ensuing century, countries contributed to the technological update of the Electromagnetic wire. U.S. General Motors has successively developed acetate enameled wire, oily enameled wire, acetal enameled wire, polyester enameled wire, etc. U.S. Dodge Company invented self-adhesive enameled wire and composite enameled wire. U.S. DuPont Company made acrylic enameled wire, polyester imide enameled wire, polyimide enameled wire and polyamide imide enameled wire. Japan developed glass enameled wire in 1939 and made silicone enameled wire in 1954. Germany; china's Shanghai Cable Research Institute made polyimide enameled wire and polyamide imide enameled wire in 1966 and 1970 respectively. The Electromagnetic wire industry has developed rapidly during this period, and the performance of Electromagnetic wire has been greatly improved under the technological innovation of various countries, Electromagnetic the application field of wire has been continuously expanded.

Under the guidance of technology research in the global Electromagnetic wire industry, North America, Japan and Western Europe have gradually become the three traditional production and research and development bases. After entering the 21st century, the manufacturing base of Electromagnetic wire and its downstream products has gradually shifted to Asia, central and southern America and Eastern Europe.

At present, the Electromagnetic wire industry has become a basic industry supporting multiple industries such as electric power, electromechanical, transportation, and communications, and the global demand for Electromagnetic wire products has risen sharply.

(4) domestic Electromagnetic wire industry development status

China's Electromagnetic wire industry started later than that of western countries. It basically possessed the independent research and development and production capacity of Electromagnetic wire in the 1960 s, and began to pay attention to the cultivation of professional talents Electromagnetic wire, laying a foundation for the sustainable development of domestic Electromagnetic wire technology. In the 1990 s, China's Electromagnetic wire industry continuously introduced advanced Electromagnetic wire technology and production equipment to western countries. In the process of continuous research and learning, china's Electromagnetic wire production capacity and technical level gradually into the world's advanced ranks, to produce good quality wire core materials, insulation materials, production equipment and testing equipment.

After entering the 21st century, China continues to encourage and promote the construction of infrastructure represented by power equipment and industrial motors, Electromagnetic the wire industry as the basic industry of industrial products, and its production scale expands rapidly in a short period of time. At present, the annual production capacity of Electromagnetic wire in China exceeds one million tons, accounting for about 50% of the total production of Electromagnetic wire in the world. The technological level of some products has been in the leading position in the world.

After a long period of development, the production capacity of China's Electromagnetic wire industry has gradually increased. There are many production enterprises in the Electromagnetic wire industry, and the production technology and process flow of Electromagnetic wire are basically mature. The production scale of these enterprises ranges from more than 1,000 tons per year to 100,000 tons per year. At present, China has formed a total production capacity of more than one million tons, which is the largest country and exporter of Electromagnetic wire production and sales in the world.

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