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Rotor Assemblies
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Rotor Assemblies

High-quality magnets are the core of our rotor assemblies, arranged in optimized Halbach array configurations to maximize magnetic flux density and uniformity. Through precise magnetic field simulation, we ensure ideal magnet placement to minimize stray fields, reduce cogging torque, and deliver consistent performance. This application enhances power density, improves efficiency, and ensures smooth, stable rotation, making our assemblies ideal for high-speed motors, precision actuators, and demanding motion control systems.

This magnetic roller is an integrated permanent magnet roller assembly with precision quenched steel shaft, high-performance embedded permanent magnets and wear-resistant black outer coating. With steady magnetic adsorption from internal magnets, it is widely installed on magnetic separators and paper band filters to capture iron scraps and metallic powder from industrial coolant liquid.
Key Advantages
  1. Stable magnetic performance: Equipped with NdFeB magnets for uniform surface magnetic strength and long-lasting magnetic force against demagnetization.
  2. Anti-abrasion & corrosion resistance: Outer coating withstands erosion from cutting fluid and emulsion to extend service lifespan.
  3. High precision machining: Step shaft is finely turned to guarantee excellent concentricity for smooth running without vibration.
  4. Customizable specification: Outer diameter, overall length and magnetic strength can be tailored per client’s equipment requirements.

This permanent magnet rotor is an inner-magnet rotor assembly with precision stepped quenched steel shaft. Its rotor body is wrapped with anti-corrosion black coating and embedded with high-performance sintered NdFeB magnets. It is widely applied in miniature motors, pump motors and magnetic transmission devices, delivering steady magnetic field for high-efficiency motor operation or non-contact power transmission via magnetic coupling.

Key Advantages
  1. Stable magnetic property: Built-in sintered NdFeB resists high-temperature demagnetization with even magnetic flux to improve motor efficiency.
  2. Long service life: Insulated anti-corrosion outer shell withstands grease and cutting fluid for dusty & humid working environment.
  3. High precision shaft: CNC-machined stepped shaft ensures superior concentricity and smooth high-speed rotation without runout.
  4. Customizable dimension: Outer diameter, overall length and pole layout can be customized for various small & medium motors.

It is an integrated injection-molded rotor with glass fiber reinforced plastic shaft and outer plastic-bonded permanent magnet. Bonded ferrite or NdFeB magnet is overmolded on the modified PA shaft, widely used in drinking water pumps, mini circulation pumps and household appliance motors. Integrated forming ensures tight combination between magnet and shaft for magnetic-driven impeller operation.
Key Advantages
  1. Excellent shaft property: Glass-filled plastic resists hydrolysis & weak chemical corrosion, no rust or deformation under long-time liquid immersion, low friction & light weight.
  2. Integral molding: One-step forming avoids magnet peeling off, uniform magnetic flux for quiet & stable rotation.
  3. Cost-effective: Better cost performance than ceramic shaft, stable quality for mass production.
  4. Customizable: OD, length, pole quantity and magnetic strength can be tailor-made.

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