Injection Molded NdFeB Multi-Pole Magnets for Electric Motors

Product Overview:
MetalZenith offers specialized multi-pole magnets for various motor applications, combining high magnetic performance with precise dimensional control. Our injection molding technology enables complex geometries while maintaining consistent magnetic properties throughout each component. These magnets are designed to enhance motor efficiency, reduce noise, and extend operational life across a wide range of applications. Our motor magnets deliver the optimal balance of magnetic performance, thermal stability, and mechanical integrity needed for today's demanding motor applications.

Key Features:

• High energy product (up to 42 MGOe) for maximum motor efficiency and power density
• Balanced magnetic circuit design for smooth rotation and minimal vibration
• Low cogging torque characteristics through precise pole spacing and magnetization profile
• Customizable pole count and arrangement optimized for specific motor designs
• Superior thermal performance with specialized grades for elevated temperature operation
• Vibration and shock resistant designs with enhanced mechanical properties
• Consistent magnetic properties throughout the entire component
• Precise dimensional control for perfect fit in motor assemblies
• Optimized back-iron interface for maximum flux density
• Multiple magnetization options including radial, diametrical, and Halbach arrays

Applications:

• Robotic vacuum cleaner motors requiring high efficiency and low noise
• Lawn mower drive systems operating in harsh outdoor environments
• Compact electric motors for consumer appliances and power tools
• Automotive power seat adjustment motors with high torque and reliability requirements
• Sunroof drive motors exposed to temperature extremes and moisture
• Small appliance motors requiring high efficiency and long service life
• E-bike and personal mobility motors demanding high power density
• HVAC system motors operating continuously in varying conditions
• Precision servo motors for industrial automation
• Medical device motors requiring high reliability and specialized performance

Technical Specifications:

• Pole Configurations: 2-24 poles with customizable geometric arrangement
• Shapes: Ring, arc, tile, segment, and custom geometries including internal features
• Diameter Range: 10mm-100mm with exceptional roundness control (±0.03mm)
• Thickness: 1.5mm-15mm with thickness tolerance of ±0.05mm
• Magnetic Grades: N35-N52 with speciality formulations for high-temperature applications
• Maximum Operating Temperature: Standard 80°C-150°C; high-temperature formulations up to 180°C
• Surface Treatment Options: Passivation, epoxy coating (50-100μm), nickel plating (15-25μm)
• Operating Temperature: -40°C to +150°C with specialized high-temperature options
• Mechanical Properties: Enhanced structural integrity for high-speed rotation
• Concentricity: ±0.03mm for precision balancing in high-speed applications

Performance Optimization:
MetalZenith's motor magnets can be optimized for specific performance characteristics:

• Maximum Torque: Enhanced remanence (Br) formulations for high-torque applications
• Efficiency-Focused: Optimized magnetic circuit design reducing core losses
• Noise Reduction: Special pole transitions and magnetization patterns minimizing vibration
• High-Speed Operation: Specialized mechanical reinforcement and eddy current reduction
• Low-Temperature Performance: Enhanced coercivity maintaining performance in cold environments
• Miniaturization: Ultra-high-grade materials maximizing performance in space-constrained designs

Why Choose Our Motor Magnets:
Our motor magnets are engineered for each specific application, optimizing factors such as torque density, efficiency, noise reduction, and thermal performance. MetalZenith's application engineering team works with your designers to create magnetic solutions that enhance motor performance while reducing size and weight. Our comprehensive testing capabilities include dynamometer performance evaluation, thermal cycling, vibration resistance, and accelerated life testing to ensure our magnets exceed your performance requirements. With MetalZenith motor magnets, you can achieve higher efficiency ratings, reduced audible noise, and extended service life compared to conventional magnetic solutions.