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35M-50M Grade NdFeB Magnet for Servo Motors - High Energy & Precision

Categories Sintered Neodymium Magnet
Brand Name: UNMAG
Place of Origin: China
Packaging Details: Carton Box
Delivery Time: 20-25days
Certification: ISO9001, IATF16949, ISO14001
Material: Neodymium Iron Boron
Coating: Nickel,NiCuNi,Zinc,Epoxy Etc
Application: New Energy Cars,Wind Power Generation,Servo Motors,Traction Motors
Magnetic Orientation: As Customization
Grade: N35-N52, 35M-50M, 35H-48H, 30SH-45SH...
Shape: Block,Arc,Ring,Customized Shape Magnet
Working Temperature: 80~220°C
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35M-50M Grade NdFeB Magnet for Servo Motors - High Energy & Precision

Meta Title: 35M–50M NdFeB Magnet for Servo Motors | High Energy & Precision
Meta Description: 35M–50M grade neodymium-iron-boron magnets engineered for servo motors. 11.7–14.8 kG, 33–53 MGOe, ±0.05 mm accuracy, Ni-Cu-Ni or epoxy coating. Request PPAP data & instant quote.

  1. Product Overview
    Boost servo-motor performance with 35M–50M grade neodymium-iron-boron (NdFeB) magnets—the sweet spot between energy density and thermal stability. Pressed, sintered, and 100 % inspected to ±0.05 mm tolerance, these magnets deliver low cogging torque and high dynamic response in compact, high-speed servo systems.

  1. Key Advantages
Grade 35M–50M Range – Br 11.7–14.8 kG, (BH)max 33–53 MGOe.
Servo-Motor Optimized – skew & multi-pole orientation reduce torque ripple.
±0.05 mm Precision – press-fit into rotor laminations, zero balance correction.
Multi-Coat Protection – Ni-Cu-Ni, epoxy, parylene ≥ 500 h salt-spray.
PPAP Ready – IATF 16949 plant, CPK ≥1.67, full traceability.
7-Day Prototypes – laser-cut tooling, global express delivery.

  1. Technical Specifications
Property35M42M50M
Remanence (Br)11.7–12.1 kG12.9–13.3 kG14.3–14.8 kG
Coercivity (Hcj)≥ 11 kOe≥ 12 kOe≥ 12 kOe
Max Energy (BH)max33–36 MGOe40–43 MGOe50–53 MGOe
Max Operating Temp100 °C (standard) / 150 °C (SH option)
DimensionsBlocks, rings, arcs 1 mm³ – 200 mm³
Tolerance±0.05 mm, ±0.1° angles
CoatingsNi-Cu-Ni, Zn, black epoxy, parylene
CertificationsIATF 16949, ISO 9001, RoHS, REACH

  1. Servo-Motor Applications
CNC & industrial robots – precise positioning, low cogging.
Packaging & textile machines – high-speed, high-resolution feedback.
Camera gimbals – compact, lightweight torque.
AGV & AMR drives – dynamic response & energy efficiency.
China 35M-50M Grade NdFeB Magnet for Servo Motors - High Energy & Precision factory
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