Motor Magnets, Motor Permanent Magnets, Magnets for Motor Applications, Permanent Motor Magnets, Permanent Magnets for Motors, Generators, and Actuators Application
Motor Magnets: Magnets and assemblies from HSMAG Magnetech Magnetic Products can be found in many types of motors, generators, and actuators.
Rare Earth magnets (Samarium Cobalt and Neodymium), or Ferrite (Ceramic) magnets can be used in magnetic motor and vehicle magnet applications. Rare Earth magnets are typically two to three times stronger than ferrite or ceramic permanent magnets. In electric motors, that results in greater performance from smaller, lighter motors. However, rare earth magnets are also more expensive than ferrite (ceramic) options.
Motor Magnets – Magnetic technology for the motor / VCM market delivers the ability to push the limits on miniaturization, efficiency and performance. our customers wish to achieve extreme performance in devices such as a wire bonding machines and missile guidance systems. Our customers challenge us to design motors and actuators with features such as:
High force to mass ratio
High speed moving coil designs
Harsh environment withstand capability
The types of motor using permanent magnet such as :
DC motor magnets
Brushless motor magnets
Servo motor magnets
Stepper motor magnets
Linear motor magnets
PM motor magnets
Irregular motor magnets
Automobile motor magnets /Car motor magnets
High performance actuator and motor design requires the use of materials that push the limits of material science. Magnet material selection is critical and we can assist in the selection of the best material. Tradeoffs in the selection include temperature, residual induction, coercivity and environment.
Sintered NdFeB (arc/segment NdFeB magnet , radial ring sintered NdFeB magnet)
Compression bonded NdFeB magnet
Ferrite (Arc magnet )
Neodymium Magnets used in Magnetic Motor Applications
Neodymium magnets are also used in electric car motor applications. From the motor that spins a DVD disc to the wheels of a hybrid car, neodymium magnets are used throughout the vehicle. The decision between Samarium Cobalt or Neodymium as a vehicle magnet is usually based on either operating temperature and/or corrosion resistance.
Operating temperature: A low coercivity grade Neodymium magnet may begin to lose strength if heated above 176°F (80°C). High coercivity grade Neodymium Magnets have been developed to function at temperatures up to 428°F (220°C) with little irreversible loss. The need for low temperature coefficient in neodymium magnet applications has triggered several grades to be developed to meet specific operating requirements. Please refer to our chart of magnetic properties to compare the characteristics of each grade.
Corrosion: Neodymium magnets are vulnerable to corrosion, especially along grain boundaries of a sintered magnet. This type of corrosion can cause serious deterioration, including crumbling of a magnet into a powder of small magnetic particles. This vulnerability is addressed by adding a protective coating to prevent exposure to the atmosphere. Nickel plating or two-layered copper-nickel plating are the standard methods, although plating with other metals or polymer and lacquer protective coatings are also available.
Samarium Cobalt Magnets used in Magnetic Motor Applications
Samarium Cobalt (SmCo) magnets are optimal for high temperature motor applications due to their high magnetic strength, exceptional temperature resistance, and reliable performance without oxidation protection.
Corrosion Resistance: SmCo magnets offer outstanding corrosion resistance (neodymium magnets do not). Plating or surface coatings are not necessary for most applications, making them advantageous for medical applications as well.
Temperature Stability: A Samarium Cobalt magnet can withstand higher temperatures than a Neodymium magnet. The maximum operating temperatures for Samarium Cobalt magnets are between 250 and 550 °C; Curie temperatures range from 700 to 800 °C.
Ferrite or Ceramic Magnets used in Magnetic Motor Applications
Although they offer low energy compared to rare earth magnets, ferrite magnets have won wide acceptance due to their strong resistance to demagnetization, exceptional corrosion resistance and low price. It is the most common magnet used in most types of DC electric motors.
Operating temperature: Maximum operating temperature for a ceramic magnet is 250°C. Although you will experience magnetic losses when operating at elevated temperatures, the losses are recovered when the material is brought down to normal ambient temperature. However, operating in very cold temperatures (-20°C) can result in permanent losses of magnetic strength unless the circuit has been designed for such extremes.
Corrosion: Ceramic magnets offer good corrosion resistance and generally do not require a coating or plating.
|DC Brush Motor Magnets||DC Brushless Motor Magnets||Stepper Motor Magnets||Linear Actuators Magnets|
|Starter Motor Magnets||Elevator Motor Magnets||Wind Turbine Magnets||Rotor Magnets|
|Micro Motors||Halbach Array Magnets||Hard Drive Magnets||Vibration Motor Magnets|
High Precision Tube Parylene Coated Neodymium Magnet Ф0.9*Ф0.65*5.2mm, Powerful Neodymium Rod Shape Micro Sensor Magnet Customized Size, Parylene Plated Cylinder NdFeB magnets, High Precision Micro Bar Tube Magnets, Parylene coated cylindrical rod tiny Sintered neodymium magnets China supplier High Precision Tube Parylene Coated Neodymium Magnet Dimension Ф0.9*Ф0.65*5.2mm, Plating Parylene coating, Shape rod cylinder tube We […]
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Motor Permanent Magnets Ferrite Arc, Arc Segment Ferrite Magnet for generator, Sintered Ferrite Arc Segment Tile shape Magnets, High Strength Small Y30BH Segment Ferrite Magnet Electric Motor Magnets China Factory Motor Permanent Magnets Ferrite Arc Features: Part No.: HS-FAM Material: Ferrite / Ceramic Shape: ARC, SEGMENT As the request of clients (size, dimension, shape, material, […]
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Hard Ceramic Arc Magnets, Motor Ferrite Permanent Magnets, Arc Segment Ferrite Magnet for electric Motors, Sintered Ferrite Arc Segment Tile shape Generator Magnets, High Strength Segment Ceramic Magnet Electric Motor Magnets China Factory Motor Permanent Magnets Hard Ceramic Arc Magnets Features: Part No.: HS-FAM Material: Ferrite / Ceramic Shape: ARC, SEGMENT Size: As the request […]
NdFeB N42H Special Shape Magnets for Medical Equipment, Customized shape neodymium magnets, Industrial Magnet for Medical, Special shaped segment neodymium magnet, powerful commercialized permanent magnets NdFeB N42H Special Shape Magnets for Medical Equipment Specifications: 1. Material: NdFeB N42H, Br: 1.30-1.34T, bHc: 979KA/m, iHc:>1353kA/m, (BH)max: 323-345kJ/m3 2. Size: L76.5+/-0.1×48+/-0.1×24.5+/-0.05mm 3. Coating: NiCuNi 4. Magnetization: magnetized via […]
Customized Huge Trapezoid Magnet For Permanent Magnet DC Motor, N50 trapezoid shape neodymium magnets, Industrial Magnet for Motor, Windmill, Generator, trapezoidal shaped permanent neodymium magnet, Strong High Performance Trapezoid Nd Magnet Customized Huge Trapezoid Magnet For Permanent Magnet DC Motor Material Neodymium Performance Grade N50 or Accept custom (N33 N35 N38 N40 N42 N45 N48 […]
AlNiCo Multi Pole Rotor Magnet, 8-Poles Cast AlNiCo Rotor Permanent Magnet, Rotor Magnets, Multi-Poles AlNiCo Magnets for Rotor, 8-POLE Alnico rotor shaped magnet, Sintered Alnico Cylindrical style Rotor Magnet, Cast Alnico Permanent Magnet, customer alnico rotor magnet China factory 8-Poles Cast AlNiCo Multi Pole Rotor Magnet Part No. HSARM-8 SERIES Size: 2.200″ Dia. x 1.350″ […]
8-Poles Cast AlNiCo Rotor Permanent Magnet, Rotor Magnets, Multi-Poles AlNiCo Magnets for Rotor, 8-POLE Alnico rotor shaped magnet, Sinter and Cast Alnico Cylindrical Magnet, Cast Alnico Permanent Magnet, Multi Polar Alnico Magnetic Rotor Core, custom alnico rotor magnet China factory 8-Poles Cast AlNiCo Rotor Permanent Magnet Part No. HSARM-8 SERIES Size: 2.000″ Dia. x 1.250″ […]
6-Poles Cast AlNiCo Multi-pole Rotor Magnet, Multi-Poles AlNiCo Magnets for Rotor, 6-POLE Alnico rotor shaped magnet, Sinter and Cast Alnico Cylindrical Magnet, Cast Alnico Rotor Permanent Magnet, Six Multi Polar Alnico Magnetic Rotor Core, custom alnico rotor magnet China supplier 6-Poles Cast AlNiCo Multi-pole Rotor Magnet Part No. HSARM-6 SERIES Size: 1.870″ Dia. x 1.250″ […]
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Segmentation Laminated Magnet Steel Assembly, Lamination Rare Earth Block Magnet for Motors, laminated neodymium & SmCo magnets, Magnet segmentation technology high-resistivity segment layer magnet China supplier Segmentation Laminated Magnet Steel Assembly Part No. HSLAMIM-23 Material: NdFeB Magnet Coating: Spray epoxy Segmentation Laminated Magnet Steel Assembly has small vortex , while remain the same performance with […]
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Lamination Rare Earth Magnet for Motors, wedge shaped Lamination magnet series, segment laminated neodymium & SmCo magnets, Magnet segmentation technology high-resistivity magnet China manufacturer Part No. HSLAMIM-21 Lamination rare earth magnet is proved that it can reduce the eddy current loss for the high-efficiency motors. The reduction of the eddy current loss can decrease the […]
Segment Lamination SmCo Magnet Segmentation Technology, Laminated Samarium Cobalt Magnets for Eddy Current Losses, High Temperature Segment SmCo and NdFeB Laminated Magnet, Strong SmCo Magnets in High Efficiency Motors, sintered SmCo rare earth laminated magnets, Magnet Segmentation Technology Segment Lamination SmCo Magnet Part No. HSLAMIM-20 Customzied Specific Requirements Know as Lamination Magnetic Core OEM or […]