Winding is a crucial step in the production and processing of motor windings. During the winding process, it is essential to ensure that the number of turns of the electromagnetic wire meets the requirements, and also to ensure that the electromagnetic wire is subjected to relatively uniform and appropriate stress to prevent it from being stretched thin or broken during the winding process.
In actual production and processing, various factors such as mismatch between the spool and the equipment, excessive weight of the spool, damage to the spool, and malfunction of the winding equipment often cause the electromagnetic wire to be deformed under stress. For example, the electromagnetic wire may be pulled thin or broken, or the insulation layer of the electromagnetic wire may be damaged. All of these problems will cause the winding performance to fail to meet the requirements, ultimately resulting in adverse consequences for the product performance.
To prevent such problems, during the winding process of the electromagnetic wire, the wire should be neatly arranged and not scattered; the weight of a single spool should not be too heavy to prevent excessive or uneven tension during the winding process; and the fit between the spool and the equipment must be properly adjusted to avoid sudden jamming during the winding process.
In fact, seemingly simple issues during the winding process have not received sufficient attention from manufacturers, which often leads to various undesirable situations.
A brief introduction to electromagnetic wires
Magnet wire is an insulated wire used to manufacture coils or windings in electrical products. It is also called winding wire. Magnet wire must meet various requirements in terms of use and manufacturing processes. The former includes its shape, specifications, ability to operate at high temperatures for short periods and long periods, and ability to withstand strong vibrations and centrifugal forces at high speeds in certain situations; its resistance to corona and breakdown under high voltage; and its resistance to chemical corrosion in special atmospheres. The latter includes requirements for withstanding tension, bending, and abrasion during winding and embedding, as well as the swelling and erosion effects during impregnation and drying processes.
Electromagnetic wires can be classified according to their basic components, conductive core, and electrical insulation layer. They are typically classified based on the insulating material used in the electrical insulation layer and the manufacturing method into enameled wires, wound wires, enameled and wound wires, and inorganic insulated wires.
Electromagnetic wires can be divided into two types of applications: ① General applications, mainly used in motors, electrical appliances, instruments, transformers, etc., where electromagnetic effects are generated by winding coils, and the conversion of electrical energy into magnetic energy is achieved by utilizing the principle of electromagnetic induction; ② Special applications, used in fields with special characteristics such as electronic components and new energy vehicles. For example, micro-fine electronic wires are mainly used in the electronics and information industries to transmit information, while special wires for new energy vehicles are mainly used in the production and manufacturing of new energy vehicles.
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