How is enameled wire to invent?

The earliest enameled wire, enameled wire is oily, made by tung oil etc. The paint film abrasion resistance is poor, means less direct used in the manufacture of motor coil and winding, by the need to add cotton yarn package around the layer. Polyvinyl alcohol (pva) later appeared formaldehyde shrinkage enameled wire, the mechanical function much improved (enamelled cca line), can be directly used in motor winding, and called the high strength enameled wire. With the development of weak electric skills and presented with self-adhesive enameled wire, you don't have to dipping, bakery and get all better sex coil.

But the mechanical strength is bad, can only have micro &special motor, small motor using. In addition, in order to prevent the removal of welding film about, and carried out the straight welding wire enameled wire sex, the film in high temperature can evade tin slot on its own and make the shattered copper wire welding easily. Because the use of wire enameled wire has become more common, requirements increasingly harsh, has launched complex enameled wire. Them, and outer paint film of the polymer material form by the differences, such as polyester imine/polyamide enameled wire imide derivatives.

Early in cotton yarn and silk, called ShaBaoXian and SiBaoXian, has been used to motor, electric appliance. Because insulation thickness, low heat resistance, mostly has been replaced enameled wires. The current to be used only as a high frequency winding line. In the big, medium-sized specifications of winding line, when high mechanical strength grade heat and larger, also USES glass SiBaoXian, and in manufacturing match with appropriate adhesive paint. In the line around the bag in line in this position is still according to, first used in oil of oil-immersed transformer.

Enameled Wire

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