Top 10 hot new technologies in the field of drive motors in 2024
Date:2025-01-14 Author:XINDA MOTOR
Amorphous Materials Technology
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principle : Through the rapid cooling process, the alloy melt is cooled and solidified at an extremely fast speed. The metal atoms cannot form a crystal structure, showing a long-range disordered and short-range ordered amorphous random arrangement state. -
characteristic :It has lower coercivity, higher magnetic permeability and higher resistivity, showing better comprehensive performance in high-frequency applications. -
Preparation method :Including single-roll quenching method, double-roll quenching method, hanging drop melting extraction method and plane flow casting method, etc., their common goal is to achieve rapid cooling of alloy melt and avoid the formation of crystal structure. -
Application Areas :It has broad application prospects in the fields of electronic information, aerospace, biomedicine, etc., especially in the field of magnetic materials. For example, it is used to make the core of distribution transformers. Compared with the transformer with silicon steel sheets as the core, the no-load loss is reduced by about 75%, and the no-load current is reduced by about 80%..
Self-adhesive silicon steel technology
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principle : A special organic coating is applied on the silicon steel sheet to achieve strong bonding between the silicon steel sheets under certain temperature and pressure conditions. -
Advantages : Compared with traditional welding and riveting processes, it can achieve fixation on the entire core surface, significantly improving the fixing strength of the core; it is perfectly compatible with ultra-thin silicon steel sheets and improves the electromagnetic performance of the motor; it can reduce eddy current losses and reduce vibration and noise during motor operation. -
Application Areas :It is used in high-end motor manufacturing and is expected to play a more important role in the motor industry as technology advances.
Flat wire X-pin technology
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principle : Through innovative improvements in the stator or rotor structure, the geometric structure of the stator or rotor is adjusted to optimize the magnetic field distribution and current path inside the motor. -
Advantages : Enhanced magnetic field control can effectively reduce the loss of the motor; with efficient cooling performance, it can improve the overall efficiency and reliability of the motor; reduce current density and reduce resistance loss; in terms of production and manufacturing, the welding end size is small, low-temperature welding technology is used, no welding ball is formed at the end, the requirement for heat-affected area is smaller, the pulling force is moderate, and a higher-strength end potting process is used in insulation treatment to improve the insulation performance and strength of the motor. -
Application Areas :Mainly used in the field of flat wire motors. Compared with Hair-pin motors, X-pin motors have higher power density and relatively simple production process, which can improve the efficiency of the motor..
Insulation paper foaming technology
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principle : Heating the stator at a specific temperature to achieve insulation and curing of the windings. -
Advantages :Simplifies the traditional insulation processing process and improves the insulation effect; fixes the stator winding during the self-foaming process of the insulation paper, reduces or even completely eliminates the paint dripping process, improves production efficiency, reduces equipment investment and production site occupancy; shortens the insulation heating time, reduces energy consumption, and meets the requirements of energy conservation, emission reduction and green environmental protection; provides a better curing solution for the stator winding under the 800V electrical architecture, especially for paint leather materials that are not easy to be painted. -
Application Areas :It has important applications in the field of oil-cooled motors. It can effectively avoid the problem of insulating paint blocking the oil circuit during the paint dripping process and improve the heat dissipation efficiency and reliability of the motor..
Radial flux, axial flux technology
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principle : There are significant differences between radial flux permanent magnet synchronous motors and axial flux permanent magnet synchronous motors in construction details, magnetic flux path guidance, and stator manufacturing processes, which leads to different performance and application scenarios.. -
Advantages : The radial flux permanent magnet synchronous motor has mature design technology, excellent efficiency and smooth operation; the axial flux permanent magnet synchronous motor has a wider internal space, significant advantages in heat dissipation performance, and is more stable and durable under high load operation.. -
Application Areas : Radial flux permanent magnet synchronous motors are widely used in electric vehicles and other fields; axial flux permanent magnet synchronous motors have outstanding application potential in electric vehicles, wind power generation and other occasions that require long-term and high-load operation..
Pole-slot matching optimization technology
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principle : Reasonable selection of the slot-pole combination of the motor can optimize the magnetic field distribution inside the motor, thereby improving the motor's torque characteristics, efficiency and power factor, etc. -
Influence : Improper slot-pole matching may cause large torque fluctuations and vibrations in the motor at a specific working point, affecting the stability and life of the motor; different slot-pole matching will also affect the waveform of the induced electromotive force of the motor, thereby affecting the cogging torque and running smoothness of the motor. -
Application Areas :It is particularly important in the design of permanent magnet synchronous motors, and multiple factors need to be considered comprehensively, such as the power, speed, power supply conditions, etc. of the motor. Common pole-slot combinations include 8 poles and 48 slots, 6 poles and 48 slots, etc.
Carbon fiber winding technology
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principle : Taking advantage of the designability of carbon fiber reinforced epoxy resin-based composites, through the laminate theory, the laying angle, ply ratio and ply sequence of the single layer are selected, and targeted design is carried out according to the load distribution characteristics. -
characteristic : Carbon fiber reinforced epoxy resin-based composite materials have the characteristics of light weight, high strength, high stiffness, low thermal expansion coefficient, corrosion resistance and fatigue resistance. Their specific strength and specific modulus are the highest among existing structural materials. -
Advantages : In the field of electric drive, it can reduce structural weight, reduce energy consumption and improve efficiency; in the field of electrochemistry, it can be used as a component of the current collector to reduce weight while providing necessary electrical insulation and structural support. -
Application Areas :It is widely used in aerospace, automotive industry, sports equipment and other fields.
Soft magnetic material technology
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principle : The coercive force of soft magnetic materials is no more than 1000A/m. It has the characteristics of low coercive force, low remanence ratio and low loss. It can respond quickly to changes in the external magnetic field and can repeatedly undergo magnetization and demagnetization processes. -
characteristic :It has high magnetic permeability and is widely used in electronic devices such as power transformers, inductors, sensors, etc. -
Advantages : In the field of electric drive, soft magnetic materials have low specific gravity, good rigidity and high strength; they also play a key role in high-frequency transformers and microwave devices in the communication field; in the field of new energy vehicles, their high saturation flux density, low hysteresis loss and other characteristics are particularly important, which can reduce energy loss and improve efficiency.
Halbach Display Structure Technology
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principle :Unilateral distribution of the magnetic field is achieved through a unique magnet layout, that is, a strong and uniform magnetic field is generated on one side, while the magnetic field is significantly weakened on the other side. -
Advantages : The strongest magnetic field effect is produced with the least amount of magnetic material, which reduces the demand for magnetic materials, saves costs, and reduces the overall weight; it can achieve multi-polar magnetic fields, providing greater flexibility and operability for experiments and applications with special needs; compared with traditional motors, motors using Halbach arrays have the advantages of high power density, no need for skewed slots in the stator and rotor, non-core materials for the rotor, high utilization of permanent magnets, and the use of centralized windings. -
Application Areas :It has important applications in fields such as motors and experimental equipment that require special magnetic field characteristics.
PEEK Material Technology
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principle :As a semi-crystalline thermoplastic polymer, it has excellent heat resistance, mechanical properties, low friction coefficient, excellent wear resistance and flame retardant properties. -
characteristic : The glass transition temperature reaches 143°C, the melting point is as high as 334°C, it can work stably for a long time in an environment of 250°C, and can even withstand short-term high temperatures of up to 300°C when necessary; the tensile strength exceeds 100MPa, and it also has excellent performance in flexural strength and modulus; it has good toughness and impact resistance. -
Advantages :It exhibits excellent durability when bearing complex loads and is not prone to breakage; it can effectively reduce wear and extend the service life of components; it shows unique value in the field of electronics and electrical appliances, especially in applications with high temperature requirements. -
Application Areas : It can be used to manufacture moving parts such as bearings and gears, as well as single-layer electromagnetic wire insulation layers of motors, etc.