What Is Magnet Wire Used For?

Enameled Copper Coating Aluminum Wire refers to the wire with aluminium core as the main body and a certain proportion of copper coating on it. It can be used as conductor of coaxial cable and conductor of wire and cable in electrical equipment.Polyurethane enameled wire; thermal grade 130, 155, 180, 200. It is characterized by direct welding, good high frequency resistance, easy coloring and good moisture resistance.

Enameled wire is coated with insulating paint on the outside of the bare Aluminium wire, constitute the inside due to the effect of insulating varnish, between the two adjacent wire can bear 200 v ac voltage Q general insulation flow line surface light, soft, can work under the condition of 130 ¡æ continuous.In addition, enameled wire bending also requires 10 times, paint should not fall off, in order to meet the winding when won’t appear the quality problem.

LP Industry is one of leading flat magnet wire suppliers in China, mainly produces copper flat wire enameled and aluminum Enameled rectangular wire which is made of oxygen free copper or electrical aluminum rod, which are drawn or extruded by the specification mould. It is the baked winding wire with multiple-layers of insulating paint after annealing softening treatment. They are mainly used in the windings of electrical equipment such as transformer, reactor and etc.

Enameled wire motors, electrical appliances, home appliances, communications, electronic information, instrumentation, power tools, automobiles and other industries provide supporting basic material industries. They are the main and key raw materials for electromagnetic windings of motors and electronic instruments. The rapid development of electronic products, etc., has brought a broader application field and market to enameled wires, but at the same time, higher requirements have been put forward for enameled wires, and enameled wires have continued to develop towards a high level and high quality.

Transformer insulation wire is usually circular. Silk covered wire, also known as cotton covered wire, it is a thread or yarn on copper coated insulation materials, such as to increase the mechanical strength and dielectric strength of the wire.

Flat enameled wire is a type of enameled wire. It is a winding wire made of oxygen-free copper rods or electrical aluminum rods that are drawn, extruded or rolled by a certain specification die, and then coated with insulating paint for many times. The thickness is from 0.025mm To 2mm, the width is generally less than 5mm, and its aspect ratio ranges from 2:1 to 50:1. Flat enameled wire has a wide range of uses, especially in the windings of various electrical equipment such as telecommunication equipment, transformers, motors and generators.

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

British Standard Wire Gauge (often abbreviated to Standard Wire Gauge or SWG) is a unit for denoting wire size given by BS 3737:1964 (now withdrawn). It is also known as the Imperial Wire Gauge or British Standard Gauge. Use of SWG sizes has fallen greatly in popularity, but they are still used as a measure of thickness in guitar strings and some electrical wire. Cross sectional area in square millimetres is now the more usual size measurement for wires used in electrical installation cables. The current British Standard for metallic materials such as wire and sheet is BS 6722:1986, which is a solely metric standard.

Principle: Water molecule (HHO) decomposes water into oxygen and hydrogen through electrolysis. Hydrogen is combustible. Oxygen supports combustion. These two gases are ignited to form a hydrogen-oxygen flame. In layman’s terms, “water turns into fire”

Enameled wire is used for camcorder, electronic clock, micro relay, automobile, electronic instrument, washing machine, TV element, etc. Development direction in the diameter, use the specification range of ¦Õ0.06 ~ 0.08 mm and all thickened insulation

¡ñ Conductor resistance. Measure with a conductor resistance tester, and then change to the value at 20¡ãC for comparison.
¡ñInsulation destruction voltage. Twist two enameled wires, apply voltage between the conductors, and judge by the damage voltage of the paint film. This performance is analyzed and judged through two tests of normal state and cold state breakdown voltage.
¡ñPaint film continuity (pinhole). Check the small holes of the paint film with a certain length of the test material. The project is tested by a high-pressure paint film continuity tester.

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.

The coating is a process of forming a uniform coating layer of a coating wire to form a uniform coating layer on a metal conductor. This is related to some physical phenomena and painting methods of liquid.

The wire drawing metal processing technology can form fine lines on the surface of the metal material, which makes the metal more textured, and is used as a decoration by users and is well-loved. In the production process, the drawing lubricating fluid is indispensable in the drawing metal processing technology. It is widely used in the lubrication of the middle drawing, small drawing and micro drawing of enameled copper wire. So how to choose this kind of drawing fluid?

Question: During our production process, we found that one axis of enameled wire is wound around the axial inductance. This axis of enameled wire and other axis of enameled wire are wound on the same magnetic core. The inductance of the enameled wire with this axis is relatively high. We made 1mH inductance, and the enameled wire of the other axis was only 960uH, and the problematic wire of this axis was 1.025mH, and the inductance test frequency was 796kHz. (1) The number of stitches is the same as the number of turns, excluding the slip ring. (2) The 1-meter straight resistance is a bit smaller than that of other shafts. I personally think that the enameled wire contains magnetic substances, but if it contains magnetic substances, the resistivity should be greater, and the DC resistance should be greater. So please help to solve the problem, or have encountered this kind of problem before, please analyze it, thank you in advance!

Enameled Rectangular Wire is one type of magnet wire, normally used for transformer, motors, generators, and gradually instead of round magnet wire.
Enameled Rectangular Copper Wire: A> 0.8–8mm, B> 1-22mm
Enameled Rectangular Aluminum Wire: A> 0.8–8mm, B> 2-22mm

Special Insulated Rectangular Wires include fiberglass covered wire, paper covered wire, kapton insulated wire. Except Insulated Rectangular Wires, also provide the round special insulated wire.

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.

The samples for tensile and thermal shock testing were 3 pieces of 254mm enameled wire.

First pull the enameled wire to the required elongation at a rate of 3.7-4.6 m/sec, then wrap the jerked sample around the mandrel, and then put the wrapped sample into the oven at the specified temperature for 30 minutes. It needs to be suspended in the oven. After leaving the oven, inspect the baked samples for cracking or peeling of the paint film. In this test, the diameter of the mandrel is usually 3 times the diameter of the enameled wire.

The specified temperature of the oven is set according to the temperature specified for the enameled wire of this ANSI Type in the NEMA MW1000 standard, which is usually the temperature grade of the enameled wire +20¡ãC.

Axalta today announced that it has reached a final agreement to acquire Anhui Shengran Insulation Materials Co., Ltd. (“Anhui Shengran”). Anhui Shengran is a leading manufacturer of high-quality enameled wire paint in China. Its products are widely used in consumer electronics, electric vehicles and industrial fields. Subject to the conditions of the agreement, the transaction is expected to be completed in the second quarter of 2021. Financial terms have not been disclosed.

Application of enamel coated magnet wire
Wire for winding used in electrical equipment is generally called magnet wire. Simplyput,”enamel coated magnet wire is used for interchanging electrical energy with magnetic energy”.Magnet wires are broadly divided into enamelled wire (coating insulation), coveredconductor wire (fiber/film insulation), and combinations thereof.

According to SMM survey data, the operating rate of enameled wire in September was 71.32%, down 8.28% year-on-year, down 1.82% month-on-month, and 1.65% lower than the expected 72.97%. Among them, the operating rate of large enterprises was 71.56%, down 0.69% from the previous month; medium-sized enterprises fell by 4.06% to 71.50%, and small enterprises fell by 0.55% to 60.83%.

1. Conductor resistance ¡ª The resistance of a conductor is proportional to its length and inversely proportional to its cross-sectional area.
2. Conductivity¡ªBased on the resistance 1/58ohm (0.017241 ohm) of a standard soft copper wire with a length of 1m and a cross-sectional area of 1mm2 at 20¡æ, it is called 100% conductivity. The greater the resistance, the lower the conductivity, and the two are inversely proportional.
3. Bending resistance¡ªfix one end of the single wire, add weight to the other end to make it vertically downward, and then bend it back and forth 180 times until the wire breaks. The more bending times, the stronger the bending resistance.
4. Tensile breaking force¡ªthe maximum load weight or force applied to the specimen to break it during a tensile test.
5. Tensile strength¡ªthe breaking force per unit area to bear when the sample is broken during the tensile test.
6. Elongation ¡ª the ratio of the length of the sample after being stretched until it breaks to the original length at the specified standard distance. Conductors have different impedances at different temperatures.
Generally, 20¡ãC or 25¡ãC is the standard. The higher the temperature, the greater the impedance.

Advantages of oxide film wire
1. The oxide film is not sealed by insulating paint, and the temperature resistance can reach 250¡æ. The heat resistance of the oxide film sealed with insulating paint depends on the temperature index of the insulating paint;
2. High slot full rate, light weight and good radiation resistance.

The current enamel wire industry is relatively low due to the admission threshold, and therefore the production enterprises have more and more, and the market competition is constantly intensified, but in the high-end product field, there are not many companies that can enter, in the present, and future, The enamel wire business wants to achieve better development, and build brands and scale becomes more and more important.

Magnet wire or enameled wire is a copper or aluminium wire coated with a very thin layer of insulation. It is used in the construction of transformers, inductors, motors, generators, speakers, hard disk head actuators, electromagnets, electric guitar pickups and other applications that require tight coils of insulated wire.

Although the quality of enameled wire depends to a large extent on the quality of raw materials such as paint and wires and the objective conditions of machinery and equipment, if you do not take a series of problems such as baking, annealing, and speed, and understand their interrelationships. , Do not master the operation technology, do not seriously do the touring work, stop and tidy up the work, do not do well in the process and hygiene, even if the objective conditions are good, it will not be able to produce high-quality enameled wire. Therefore, the decisive factor for good enameled wire is people’s sense of responsibility for work.

In theory, any enameled wire can realize the mutual conversion between electric energy, magnetic energy and kinetic energy. However, the use of enameled wire has a processing process, and electrical products also have different working environments. Therefore, in the selection of enameled wire And when substituting, the characteristics of various enameled wires must also be considered.

The main advantages of fiberglass covered wire are:
1. The quality factor Q value is large;
2. Because it is twisted by multiple enameled wire bundles, it has good flexibility and can reduce the skin effect;
3. Because it is composed of polyurethane enameled wire, the dielectric loss angle is small, and it has direct solderability.
The disadvantage is: poor moisture resistance.

1. Mechanical function: including elongation, return angle, softness and adhesion, scraping, tensile strength and other items.
2. Heat resistance: including thermal shock and softening breakdown test.
3. Electricity includes: breakdown voltage, lacquer film continuity and DC resistance test.
4. Chemical resistance includes solvent resistance and welding.