Wire enamel insulating varnish

Glass-fiber covered aluminum magnet wire used to have weak coating strength (abrasion resistance, shock resistance, and flexibility). However, that disadvantage has been significantly improved recently by refining material selection and manufacturing methods. The demand for glass-fiber covered aluminum magnet wire is increasing as the wires have excellent uniformity and electrical properties under high temperatures and humidity.

Magnet wire is an insulated wire used to make coils or windings in electrical products. Also called winding wire. Magnet wires must meet the requirements of a variety of uses and manufacturing processes. The former includes its shape, size, ability to work at high temperatures for short and long periods of time, as well as withstanding strong vibration and centrifugal force at high speeds in some occasions, resistance to corona and breakdown under high voltage, and resistance to chemicals in special atmospheres Corrosion, etc.; the latter includes the requirements of stretching, bending and abrasion during winding and embedding, as well as swelling and erosion during dipping and drying.

Kraft Insulated Copper Stranded Paper Covered Wire refers to the insulation layer of the wire wrapped with cable paper. The paper covered wire insulation has at least 3 layers to wrap the paper tape. When it exceeds 3 feet, the innermost and outermost layers should be covered and wrapped, and the rest can be wrapped around with a gap of no more than 2mm. When the width of the paper tape is 9.5 When mm and above, the gap should not exceed 3mm.

Enameled wire is a type of electromagnetic wire, usually refers to the insulation wire used to make coil or winding in electrical products. It is also called the winding wire.
The electromagnetic wire must meet the requirements of various applications and manufacturing processes. The former includes its shape, specification, working at high temperature in short and long time, as well as the strong vibration and centrifugal force under high speed on certain occasions, resistance to corona and breakdown under high voltage, and chemical corrosion resistance in special atmospheres, and the requirements for tensile, bending and wear, as well as the requirements of drawing, bending and wear during winding and inlaying. Swelling and erosion during immersion and drying.

Type of magnetic wire is divided into enameled wire, wrapping wire, insulated wire, combined wires and others,Mainly used in motors, electrical appliances, instruments, transformers, etc., to generate electromagnetic effects by winding coils, and use the principle of electromagnetic induction to achieve the purpose of converting electrical energy to magnetic energy

Glass-fiber covered aluminum magnet wire used to have weak coating strength (abrasion resistance, shock resistance, and flexibility). However, that disadvantage has been significantly improved recently by refining material selection and manufacturing methods. The demand for glass-fiber covered aluminum magnet wire is increasing as the wires have excellent uniformity and electrical properties under high temperatures and humidity.

Main Applications:
All kinds of household electric motors, vacuum cleaner motor, electric motor
All kinds of transformers, inductors, rectifiers
All kinds of fan motor
All kinds of high frequency electric appliance

The electrical insulation system for wires used in generators, electric motors, transformers, and other wire-wound electrical components is divided into different classes by temperature and temperature rise. The electrical insulation system is sometimes referred to as insulation class or thermal classification. The different classes are defined by NEMA, Underwriters Laboratories (UL), and IEC standards.

Heat resistance refers to the properties of a substance that can maintain its excellent physical and mechanical properties under heated conditions. The highest use temperature of commonly used materials to characterize. There are different standards and test methods for different materials. Such as plastics are generally expressed by Martin heat-resistant temperature. The coating industry uses a blast constant temperature oven or a high temperature furnace. After it reaches the specified temperature and time, the surface condition of the paint film is inspected, tested, or other properties such as impact, bending, water immersion, salt spray test, etc., and then before and after Test data representation. All coatings used in higher temperature occasions must use heat resistance as an important technical indicator of the coating film

What is the first thing to make the enamel wire? And the manufacutring process of enameled wire is important, the extruding and baking. And the raw materials: copper conductor or aluminum conductor is enough for client’s requiremnets

To weld the lead aluminum enameled wire, it is necessary to remove the paint (there are very few household electric fans with very low requirements, and the ballast manufacturer does not remove the paint). The paint removal methods are listed below.
(1) It can be scraped with a blade,
(2) It can be peeled with a centrifugal knife,
(3) The paint can also be rubbed off with a grinding wheel,
(4) Of course paint remover is also available,
(5) You can also use high-temperature tin to burn the paint,
(6) Some people burn with fire
(7) Of course you can also use paint remover to remove paint

Good Quality Paper Covered Flat Aluminum Enameled Copper Wire is made of bare copper wire or bare aluminum wire, or paper-covered wire as the core, wrapped with paper for insulation. According to customer and national standards, the conductor is wrapped with telephone paper, electromagnetic paper, and high-density inter-turn insulation paper. As conductor insulation, it is an ideal material for civilian-made oil-immersed transformers; especially semi-hard insulated copper wires, which can significantly improve the winding resistance. The mechanical properties and short-circuit resistance can be widely used in the winding of large and medium-sized transformers.

Copper paint package wire production process principle

Copper lacquer wires are coated with respective lacquer solutions, and then cured by solvent volatilization and paint film.The earliest enamel wire is oily painted wire, made from tung oil.Its paint film is abrasion resistant, and cannot be used directly to make motor coils and windings, and the cotton yarn can be added to the layer.Later, polyethylene glycol formaldehyde lacquer wire came out, and its mechanical properties were greatly improved, which can be used directly for motor windings, which is called high-strength enameled wire.

Painted wire (electromagnetic wire) is the base and key material of the motor, electrical, household appliance, electronics, instrumentation, electromagnetic windings. With the rapid development of my country’s home appliance industry, electronic information, automobile and other industries, the scale of electromagnetic wire production enterprises expanded, and the country has developed from thousands of tons to the 10,000-tonnes. The rapid development of industrial appliances, household appliances, automotive and other industries, bringing electromagnetic wires and markets, but at the same time, rapid advancement of technology has made a growing demand for electromagnetic wires.

1. Mechanical functions: including elongation, rebound angle, softness and adhesion, paint scraping, tensile strength and other items.
(1) Elongation reflects the plastic degeneration of the material and is used to check the ductility of the enameled wire.
(2) The rebound angle, the softness reflects the elastic deformation of the material, and is used to check the softness of the enameled wire.
¢ÇThe durability of the paint film includes winding and stretching, that is, the promised tensile deformation of the paint film without cracking when the conductor is stretched and deformed.
(4) The adhesion of the paint film includes snap-off and peeling. First, check the adhesion of the paint film to the conductor.
(5) The scratch resistance test of the paint film reflects the strength of the paint film against mechanical scratches.

High Temperature Aluminum Magnet Wire (Anodized aluminium wire) belongs to the special electromagnetic wire and the insulation layer is the aluminum oxide . Because of no thermal aging phenomenon, it can be used as insulation level of class 220.
The insulation layer of such product is thin, high temperature resistance and insulation performance stability,which is the best choice for low voltage winding wires with producing high temperature, poor environment, heat dissipation difficulty and so on.
It can widely be used in electromagnetic industries at home and abroad.

The paper covered wire is a type of enameled wire that is extruded or pulled by an oxygen-free copper rod or an electrical circular aluminum rod, and then annealing the wire, and then winding two layers or two layers of insulating on the copper (aluminum) conductor.Paper (including telephone paper, cable paper, high voltage cable paper, turns], suitable for oil immersion transformer coils and other similar electrical windings.Electrical bare copper (aluminum) wires produced by extrusion process are the most ideal materials for the production of cable paper wraps.

Copper Clad Aluminum Wire is a new enameled wire, is composed of aluminum conductor covered with copper materials, maybe self-bonding, also called self-bonding enameled wire. And the short word is ECCA.

Nomex covering corresponds to class H insulation is mainly used in the construction of condensers and capacitors. Main application of it is in shielding of cables in high temp. environments (200¡ãC) such as dry type transformers, military and aerospace cables. Nomex covered conductors are more effective in condition where temperature resistance and dielectric strength requirements are high.
Application of Nomex Paper Covered Aluminum wire :
Mobile Transformer,Traction Transfomers,Pole-mounted distribution transformers,Power substantions,rectifiers,oil-immersed transfomer coil winding.

Speaking of the copper enameled wire, I believe everyone should know. Today, we introduce you to a wire, ie the copper paint package. Let us simply look at the transportation and preservation of copper-clad aluminum wires, because if many wires are transported incorrect, it is very likely to be used, so let us simply understand the transportation and preservation of the copper paint wire, so you can be here.

The temperature resistance index of Class 155 Reasonable Price Glass Fiber Covered Aluminum Round Wire has three grades: 130, 155, and 180, and the insulation thickness generally has four grades of 20, 30, 40, and 50. This product is widely used in windings of transformers, electromagnets, welding machines or other similar electrical equipment products. Electrician bare aluminum wire produced by extrusion process is the most ideal material for producing glass fiber coated aluminum wire.

Insulating paint is composed of three parts of paint base (natural or synthetic resin, asphalt, drying oil, fiber paper and its composites, etc.), solvent or diluent, and auxiliary materials (drier, pigment, emulsifier, antifungal agent, etc.) . According to the purpose, it can be divided into three types: dipping paint, covering paint and adhesive paint.

For Aromatic polyimide tape-covered aluminum magnet wire, after the aluminum magnet wire is taped with a tape that is 1.5 mm thick with 1.0 mm of this thickness being polyimide film and the remaining 0.5 mm being fluoroplastic, it is heated and heat-sealed.

Enameled wire is a main type of winding wire. It is composed of a conductor and an insulating layer. After the bare wire is softened by annealing, it is painted and baked many times.

General purpose enameled wire (ordinary wire): Mainly used for winding wires in general motors, electrical appliances, instruments, transformers, etc., such as polyester enameled wire and modified polyester enameled wire.

Advantages of enameled CCA wire:
As envelope alternatives of pure enameled copper wire, it has good performance of high frequency transmission, originally it was applied in various types of high-frequency electromagnetic induction coil; now in order to save more production cost, ECCA wire has been widely used in various types of electronic coils, transformers, inductors, rectifiers, and all kinds of large and small motors, and has excellent soldering performance. Its density is low, the weight of the unit product can at least save 40% of the copper wire, it can save a lot of cost of production material.

These Paper wrapped insulated aluminium wires enamelled and Strips are made from very high quality raw material which ensures hassle free work performance at its user end. These Paper Covered Aluminum Wires and Strips are technologically advanced and confirm to industrial quality norms of international standard. These Paper Covered Aluminum Wires and Strips are widely finds its applications in various industrial sectors.

After the product is manufactured, whether its appearance, size and performance meet the requirements of the technical standards of the product and the technical agreement of the user must be judged by the inspection beam and measured; the test shall be compared with the technical standard of the product or the technical agreement of the user and meet the requirements If it is qualified, otherwise, it is unqualified. Passing the inspection can reflect the stability of the enameled wire product quality, the material and the rationality of the process. Therefore, the quality inspection has the function of checking, preventing and identifying.

The main advantage of the TIW wires is relatively high electric strength of the insulation, with breakdown voltage min. 6kV. Obtaining such a high resistance was possible by the use of a reinforced, three-layer conductor insulation. Third external insulation made of polyamide gives excellent flexibility and high mechanical resistance of the wire. Normally, TIW wires are produced in thermal class B. Fully automated manufacturing process provides a central position of conductor and the same thickness of insulation at any point of the wire.

Nomex Paper Covered Copper Aluminium Enameled Wire is a kind of electromagnetic wire, which is specially used to manufacture winding coils of various oil-immersed transformers. It has good insulation on the outside and good conductivity on the inside. It is the heart of the transformer.

Best Selling 155 Class Enamelled Copper/Aluminum Winding Wire includes copper wire and aluminum wire used for transformers, inductors, motors, generators, dry type transformer, Cast Resin Transformers. Thermal Class:Class 155, popular used for low voltage dry type transformers.