by on July 30, 2018
Xinyu Enameled Wire is necessary to be satisfied with the needs of a variety of applications and production skills. The former includes its shape, standard, can be short-term and long-term operation at high temperatures, as well as to accept some occasions, severe vibration and centrifugal force at high speed, high voltage withstand corona and breakdown, electrical wire special atmosphere Chemical resistance and the like; the latter includes the need of drawing, twisting and wearing when winding and embedding, as well as the swelling and erosion during impregnation and drying.
Enameled Wire in the conductor coated with the corresponding paint solution, and then solvent evaporation and paint curing, cooling and made. Enamel wire according to their use of insulating paint can be divided into polyester enameled wire, polyester imide enameled wire, polyamide imide enameled wire, polyimide enameled wire, polyester imide / polyamidoimide enameled wire, corona resistant corona wire, and oil Paint, acetal paint, polyurethane enameled wire and so on. Sometimes, according to the special classification of its usefulness, such as self-adhesive enameled wire, resistant to cryogenic enameled wire.
Winding line in an important category. Pre-use of cotton yarn and silk, known as the yarn wrapped yarn and covered wire, used in motors, electrical appliances. Because of the insulation thickness, low heat resistance, most have been replaced by enameled wire. It is only used as high-frequency winding wire. In the large and medium-sized winding wire, when the heat resistance is high and the mechanical strength is larger, the glass fiber covered wire is also used, and the production is matched with the proper adhesive paint.
In the wrapping line in the paper envelope still occupy the appropriate position, the main electrician used in oil-immersed transformer. At this time the composition of the oil paper insulation has excellent dielectric function, and the price is low, long life. In recent years, open the film active around the film envelope, mainly polyester film and polyimide film wrapping. Recently there are mica bags for wind power generation polyesterimide film winding copper flat wire.
When the heat resistance levels need to exceed the limits of organic materials, the general use of inorganic insulating paint coating electrical wire. The existing inorganic insulating wire can be further divided into a glass film line, an oxide film line and a ceramic line.
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