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The 775 and 795 motors are a common type of DC brushless motor, and their numerical designations indicate the following: The first number (7) indicates the diameter of the motor in 1/10 inch. Thus, the 775 and 795 motors have diameters of 7.75 inches and 7.95 inches, respectively. The second number (7 or 9) indicates the length of the motor in 1/100th of an inch. Therefore, the lengths of the 775 and 795 motors are 7.5 inches and 9.5 inches, respectively. The third number (5) indicates the motor series, with different series representing different characteristics and uses. The fourth number indicates the version number of the motor. Different versions of the motor may have different properties and parameters. The main differences between them are size and performance. Size: the 775 dc motor is 7.75 inches in diameter and 7.5 inches long, while the 795 motor is 7.95 inches in diameter and 9.5 inches long. Therefore, the 795 motor is longer than the 775 motor, but has a larger diameter. PERFORMANCE: Because the 795 dc motor is longer than the 775 motor, it typically has higher torque and power. Also, the 795 motor usually requires a higher voltage to work properly, but it can provide higher RPM and output power at the same voltage. It is important to note that 775 and 795 motors from different manufacturers may have different versions and parameters, so you need to check the relevant specifications and manuals carefully when choosing a motor to ensure that the motor you choose meets the performance requirements needed.

Magnetic hook is a magnetic hanging tool, which is a combination of a pot magnet base and a hook attachment. The pot magnet base, which can maximise the lifting magnetic force, and the internal magnets are mostly neodymium iron boron powerful magnets. Magnetic hooks can be hung on appliances, doors, windows, cabinets, ceilings, walls or any other local steel surfaces to provide a convenient hanging point. Magnetic hooks can be used for home, commercial, industrial and technical applications. Magnetic hooks can be used to hang keys, pictures, indoor tools (such as scissors and knives), cleaning equipment (such as brooms and mops), and clothes hanging on hangers in the home. Magnetic hooks can also be used to hang lights, wires, cables, tools, banners, signs and more. Magnetic hooks are easy to work with and can be tidied up without drilling, screwing or gluing. Will not damage appliances, doors, windows, cabinets, ceilings, walls and other surfaces. Simply attach the magnetic hook to a steel surface and hang things. Easily remove them when not in use. Magnetic hooks commonly have open hooks, closed hooks, hanging hooks and so on. Specifically according to the needs of the choice. How to choose the magnetic hook? 1.According to the weight of the hanging object, choose the appropriate tension. 2. According to the size of the adsorption surface area, choose the right size. 3. According to the choice of product use, choose the right type of magnetic hook.

Cat's eye magnets, also nail art magnets. It is used as an aid for women's nail art. Cat's eye nail glue contains magnet powder, which is adsorbed and gathered under the action of cat's eye magnet. Under the reflection of light, there is a band of light like the pupil of a cat's eye, i.e., there is a thin, narrow and bright reflection on the surface, and the effect is like a cat's eye stone. What are nail art cat eye magnets made of? Most of the cat eye magnets are neodymium iron boron magnets, also known as powerful magnets. NdFeB powerful magnets are the most magnetic type of permanent magnet material. Because of the super strong magnetic properties, they can be obtained during use in order to get clean, tight lines. Can I replace the cat's eye magnets with ordinary magnets? Ordinary magnets, also known as black ferrite magnets, are weak in magnetism and low in cost, if you use ordinary magnets for cat eye nail art, the shape presented may be irregular and the effect is not as good as strong magnets. So it is recommended to use a strong magnet. What are the specifications of nail art cat eye magnets? The common shapes of cat eye magnets are cylindrical, rectangular, round Disc magnet, spherical magnet several kinds. Such as cylindrical magnet size: D6*15/20/25/30MM, D8*6*15/20/25/30MM and so on. How much is the customised nail art cat eye magnets? The cost of customised cat eye magnets is different for different sizes, because NdFeB powerful magnets have different magnetic grades, so you must need to send samples to the supplier during the batch customisation process, according to the actual performance of the samples. In summary, cat eye magnets use NdFeB powerful magnets.

We all know that inside the speaker horn will use magnets, some partners will remove the magnet as a child, you can find the magnet inside is black, this is a ferrite magnet, that is, universal magnet. But with the development of the market, more and more speaker equipment inside the neodymium magnet will be used to replace the traditional speaker magnet. There are three types of magnetic materials in speaker magnets: alnico magnets, ferrite magnets, and neodymium-iron-boron magnets. Each type of material has a different effect on the tonal characteristics of a loudspeaker. 1. Alnico magnets are the initial magnet material used in loudspeakers to produce classic tones. These speakers sound warmer and sweeter at lower volumes, and many musicians find them more responsive to a player's touch. The disadvantages are low power, narrow frequency range, hard and brittle, and very awkward to work with. In addition, cobalt is a scarce resource and Alnico is relatively expensive. From the comprehensive cost-effective, speaker magnets using Alnico is relatively small. 2. Ferrite magnets are developed as a cheap alternative to Alnico. Ferrite magnets are generally made into external magnetic horn. The ferrite material has very low magnetic force and has to have a certain volume size to achieve the driving force of the horn. Therefore, it is usually used in louder audio speakers. The advantage of ferrite is that it is cheap and cost-effective; the disadvantages are large size, low power and narrow frequency range. 3. The last material is neodymium iron boron magnet So what are the advantages and disadvantages of neodymium iron boron speaker magnets? Advantages: high magnetic performance, small size, the weight will be lighter than other speakers, wide frequency range. Excellent sound quality, good elasticity, good detail, good voice quality and accurate sound field positioning. In terms of price, they are between Alnico and Ferrite magnet speakers. Mostly used in high end speakers. Disadvantages: disadvantages are sintered moulding, expensive, magnetic, easy to oxidise, slightly less bass, and high temperatures can cause irreversible magnetic degradation

Asynchronous motors and synchronous motors are two common types of rotating motors, which differ in their operating principles and performance characteristics. 1. Operating Principle: Asynchronous motors rotate based on the relative motion between the rotating magnetic field generated in the windings and the magnetic field; synchronous motors, on the other hand, need to synchronise the magnetic field generated in the windings with the external magnetic field. 2. Starting method: asynchronous motors usually use starting capacitors, starting resistors, motor exciters and other auxiliary equipment to start; while synchronous motors generally need to be externally provided with starting torque. 3. speed control: asynchronous motor speed is generally controlled by the voltage change, can be achieved by frequency conversion and other ways; synchronous motor speed is limited by the frequency of the power supply, usually need to use a mechanical speed changer to achieve speed control. 4. power factor: asynchronous motor in the load change, its power factor is usually variable, in the light load or no load situation power factor is low; synchronous motor in part of the load power factor is high, and can be adjusted through the reactive power compensation power factor. 5. Overload characteristics: asynchronous motors have better overload capacity, can withstand a large load impact in a short period of time; synchronous motors have poorer overload capacity, and are prone to stall for overload conditions.Because synchronous motors need to be synchronised with an external power source, they usually require a more complex control system for implementation; whereas asynchronous motors have a relatively simple control system because they do not need to be synchronised with an external source.

With the continuous progress of science and technology, magnetic materials are more and more widely used in various fields. And in the field of electric motors, NdFeB magnets as a high-performance rare earth permanent magnet material, has an important role. This article will introduce the role and application of motor NdFeB magnets in detail. Basic Characteristics of NdFeB Magnet NdFeB magnet is a kind of rare earth permanent magnetic material composed of neodymium, iron, boron and other elements. It has high magnetic energy product, high coercivity, high remanence and other characteristics, these characteristics make NdFeB magnet in the motor can play an excellent performance. The role of motor NdFeB magnet 1. Improve the efficiency of the motor The application of motor NdFeB magnets can improve the efficiency of the motor. This is because in the operation of the motor, the strength of the magnetic field will have an impact on the efficiency of the motor. NdFeB magnets have high magnetic energy product and high coercivity, which can make the magnetic field strength of the motor has been significantly improved, so that the efficiency of the motor is also improved. 2. Enhanced motor torque The application of motor NdFeB magnets can also enhance the torque of the motor. This is because in the operation of the motor, the magnetic field strength and the size of the current will have an impact on the torque of the motor. The application of NdFeB magnets can make the magnetic field strength of the motor has been improved, but also can optimise the size of the current to improve the torque of the motor. 3. Realise the high efficiency and energy saving of the motor The application of motor NdFeB magnets can achieve high energy efficiency of the motor. This is because in the operation of the motor, if the size and timing of the current can be effectively controlled, it can make the efficiency of the motor to be further improved, but also reduce the waste of energy. And the application of NdFeB magnets can achieve precise control of the motor, which can make the efficiency of the motor be further improved.

NdFeB magnet is a kind of rare earth permanent magnetic material, due to its wide application in modern technology, recycling and reuse of NdFeB magnet becomes more and more important. Below are some common methods of recycling NdFeB magnets: 1. Separation and recycling: Neodymium magnets are usually used in electronic equipment, automotive parts and other products. During the recycling process, NdFeB magnets can be separated from waste products by physical or chemical methods. This may involve steps such as dismantling equipment, crushing and magnetic separation. 2. Smelting and Extraction: Once the NdFeB magnets have been separated, the rare earth metals in them can be recovered through a smelting and extraction process. This usually involves heating the discarded magnet material to a high temperature and then using chemical methods to extract the rare earth metals from other materials. 3. Reuse: Recycled NdFeB magnets can be used in the production of new magnet products, thus reusing resources. This helps to reduce new mining of rare earth metals and reduce environmental impact. It should be noted that the recycling process of NdFeB magnets may require specialised equipment and technology, as well as compliance with relevant environmental regulations. Therefore, the recycling of NdFeB magnets should preferably be carried out by a professional recycling and reuse organisation.

Rubber magnetic material is an emerging magnetic material with many special properties. Rubber magnetic material is compounded by rubber and ferrous powder, so it has the flexibility of rubber and the magnetic property of ferrous powder. It not only has some characteristics of conventional magnetic materials, such as adsorption, magnetic conductivity, etc., but also has some special properties, such as flexibility, sound insulation and wear resistance. The special properties of rubber magnetic material will be described in detail below. Firstly, rubber magnetic material has excellent flexibility. Due to the elasticity of rubber and the bonding effect of ferrous powder, rubber magnetic materials can be made into various shapes and sizes as needed, such as sheets, strips, tubes and so on. This makes the rubber magnetic material adaptable to different application scenarios, such as it can be affixed to the surface of various objects and used to make magnets of various shapes, such as magnetic sheets, strips, tubes and so on. At the same time, rubber magnetic materials are also able to maintain their magnetic properties under deformation and will not lose their magnetic capability. This makes the rubber magnetic material have high application value. Secondly, the rubber magnet material has good sound insulation properties. The sound-absorbing property of rubber makes rubber magnetic material able to effectively isolate the spread of sound. In some occasions that need to reduce noise, rubber magnetic material can be used to manufacture soundproof mats, soundproof boards and other products to achieve the isolation of the sound and sound absorption, and play the effect of reducing noise. In addition, the flexible rubber magnetic material can also make use of its magnetic and flexibility advantages, manufacturing sound insulation materials with adsorption, can be used to adsorb the noise source, reduce noise pollution.Rubber magnetic materials have high abrasion resistance. The abrasion resistance of rubber gives rubber magnetic materials a long service life. In summary, rubber magnetic material has unique special properties. It not only has some characteristics of conventional magnetic materials, such as adsorption, magnetic conductivity, etc., but also has special properties such as flexibility, sound insulation and wear resistance. These properties make rubber magnetic material an ideal magnetic material for a variety of applications, such as home decoration, automotive manufacturing, electronic appliances, medical devices and so on. With the continuous progress of science and technology, it is believed that the special properties of rubber magnetic materials will be better applied and developed.

Refrigerator stickers will not affect the normal operation of the refrigerator, but also to increase the aesthetic, practicality and so on. Refrigerator stickers（fridge magnet）are divided into 2 categories a magnetic sticker, another sticker. Magnetic stickers can be reused, and self-adhesive stickers are disposable, generally used for decoration, but also used to record the food stored in the refrigerator and remind the function. Classification of fridge stickers: 1) Magnetic fridge sticker: made by using the following soft rubber magnet + above coated paper colour printing belly film. 2) Thermometer fridge stickers: made of soft rubber magnet below + four-colour printing laminated glossy film on coated paper above + thermometer. (3) Magnetic bookmark: made by folding the soft rubber magnet below + four-colour printing on coated paper on top. 4) Magnetic message board Whiteboard: made of soft rubber magnet (or cardboard) + coated paper four-colour printing on glossy film + erasable pen. (5) Magnetic photo frame: It is made of soft plastic magnet mounted on coated paper with colourful printing film, and the frame is punched and cut in the middle. Or according to customer requirements to produce double-layer photo frame, PVC photo frame, cardboard photo frame and other materials. (6) Magnetic note book: the use of the following soft plastic magnet + above the copper plate paper four-colour printing mounted glossy film + note book, or a separate note book, convenience book. (7) magnetic puzzles (cardboard puzzles): the use of the following soft plastic magnets (or cardboard grey board paper) + the top coated paper four-colour printing laminating film, the middle of the design needs to be punched to create a small piece of the jigsaw puzzle and. (8) PVC soft plastic refrigerator stickers: PVC soft plastic refrigerator stickers are made of PVC soft plastic on the front, the back of the soft magnet or magnet. (9) tinplate refrigerator stickers: four-colour printing paper wrapping process + adhesive magnetic sheet made. 10) EVA dart board: using the following EVA + middle iron sheet + above coated paper four-colour printing mounted glossy film + dart head. 11) Glass fridge stickers: made of soft adhesive magnets below, colour printing on coated paper above and half-circle glass window film. 12) Drip glue refrigerator sticker: made by using the following soft plastic magnet + above coated paper colour printing + drip glue belly film. (13) ceramic refrigerator stickers: the use of the following soft plastic magnet + above the ceramic plate coloured glaze firing and become, green, healthy and environmentally friendly.

What is a hollow cup motor A hollow cup motor is a motor with a hollow rotor inside the motor and an external shape like a cup. It is widely used in the automotive industry, such as oil pumps, water pumps, air conditioning compressors and other equipment.   Common hollow cup motor models 1. PMDC shrink cup motor PMDC shrink cup motor is a kind of permanent magnet DC motor, due to the use of rare earth permanent magnets, with high efficiency, high power density, small size and other characteristics. This type of motor is suitable for use in hydraulic pump systems, cooling water pumps and other equipment in the automotive industry. 2. BLDC Shrink Cup Motor BLDC shrink cup motor is a kind of brushless DC motor with three-phase permanent magnets and electronic commutator controller, featuring high efficiency, high power density and long service life. This type of motor is suitable for air-conditioning compressor, generator, injection pump and other equipment in the automotive industry. 3. SR Shrink Cup Motor SR shrink cup motor is a kind of switched reluctance motor with low inductance and low noise due to the use of windings. This type of motor is suitable for the transmission system, hydraulic pump, generator and other equipment in the automotive industry. The Future of Hollow Cup Motors With the continuous development of the automotive industry, hollow cup motors will also be more widely used. In the future, the development direction of hollow cup motor will be more efficient, environmentally friendly and energy saving. It is expected that in the next few years, hollow cup motors will occupy a larger market share in the automotive industry.

Working principle of synchronous motor Synchronous motor is a special type of reversible motor, which is characterised by the fact that the speed of the active rotor can be precisely controlled. Synchronous motor is generated by the stator magnetic field, by the generator active rotor passive turn, stator AC winding and active rotor lead lap symmetrical winding and rotor mounted on the rotor rotor magnet group to form two mutually parallel strong magnetic field of the motor. When the phase difference meets the directional requirements, the synchronous motor can accurately control the rotor spin, so that the output power can be adjusted according to the need to solve the problem of output changes, to achieve speed control and constant speed control. The stator coil of the synchronous motor generally adopts multi-pole winding, so that the alternating undulation of the magnetic field has multi-pole changes, which improves the utilisation efficiency of the motor. Characteristics 1, torque precision: AC synchronous motor has high precision, stator centre coil can choose some higher precision coils according to the need, the precision can be as high as 1/1000, it can realize the precise control without load, and it has strong ability of low speed and heavy load. 2、Simple mechanical structure: the synchronous motor's mandrel consists of support and sealing and stator winding and other components, simple structure, small size, easy to load and install, as well as maintenance and change. 3、Stator coil has damping effect: the stator coil can be integrated with some multi-pole windings, which can effectively stabilise the torque. 4, low material cost: due to the small load factor of synchronous motor, stator and rotor magnet density is low, low material cost, can effectively save costs. Summary Synchronous motor is a special kind of reversible motor. It is characterised by a finely defined torque, simple mechanical construction, damping effect in the stator coil and low material cost. It has strong braking performance and high precision, and can be used for speed control, fast response, positioning control and speed measurement. It can be used in variable speed regulation structures due to its auto zero function. It can also be used in high-speed precision positioning control systems, but it needs to be realised with high-performance electronic drives and servo control systems. In addition, the synchronous motor has a good performance in energy saving, especially suitable for use in low voltage variable speed motor control. The future of synchronous gear motors is very promising, but at present they are not yet capable of meeting the requirements of a number of applications, and a number of improvements and optimisations may be required to extend their range of services.

Permanent magnet lifter adopts high-energy permanent magnetic material, in the magnetic circuit to produce a strong suction force, and by the handle to rotate the pole mandrel to make the lifter in the working or off state, without external power supply operation operation. When in working condition, the suction surface at the bottom of the lifter constitutes a pair of longitudinal magnetic poles, the workpiece of ferromagnetic material firmly suction, the suction surface is also made of V grooves, so that it can be suction version of the block workpiece, but also can be suction cylindrical workpiece. Permanent magnet Lifting Device is mainly used in the process of lifting and transporting block or cylindrical ferromagnetic materials, lightweight structure, explosion-proof operation, strong suction, safety and reliability, etc., to help improve the working conditions of loading and unloading handling operations, improve their labour productivity, so in factories, wharves, warehouses and transportation industry, has been widely used as a lifting tool. Advantages of Permanent Magnetic Crane　　 1. Permanent magnetic lifter using computer simulation of magnetic circuit design, magnetic field distribution is reasonable, permeability depth is large.  2. Permanent magnetic cranes in addition to the iron body than the electromagnetic separator simplified, without the need for excitation power supply, no cooling system.  3. Permanent magnet crane power saving and energy saving, low failure rate.  4. Permanent magnet crane operation is simple, safe and reliable operation.、 It is suitable for handling steel plates, iron blocks and cylindrical iron materials. Such as mechanical parts, punch press moulds and all kinds of steel materials. The main point of permanent magnetic lifter does not need electricity. This kind of permanent magnetic crane is a kind of lifting equipment without power supply. Permanent magnetic lifter suction safety factor × 3.5 times, permanent magnetic lifter using high-performance rare earth permanent magnets, a neodymium iron boron as the magnetic source, with no power consumption, strong suction, low remanent magnetism, easy to operate, long life, safe and reliable, etc., the structure of the permanent magnetic lifter is advanced, according to the export standards for the organisation of the production, the quality and performance of the same products to reach the international advanced level.