Meta Title: ISO 14001 NdFeB Arc Magnets – Sintered Neodymium Iron Boron | Industrial Grade
Meta Description: Precision arc-segment sintered neodymium magnets, ISO 14001 certified, for motors, generators, and actuators. N35–N52SH grades, ±0.05 mm tolerance, Ni-Cu-Ni or epoxy coating. Instant quote & 7-day prototypes.
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Product Overview
When your motor or generator demands maximum flux density in a curved geometry, our ISO 14001 certified sintered neodymium iron boron (NdFeB) arc magnets deliver. Produced in an environmentally-managed facility, every arc segment meets tight ±0.05 mm tolerances and is 100 % inspected for magnetic uniformity—ideal for servo motors, BLDC motors, wind-turbine generators, and magnetic couplings.
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Key Features
Feature |
Benefit |
ISO 14001 Certified Plant |
Traceable, eco-friendly production; REACH & RoHS compliant. |
Arc Geometry |
Perfect concentricity to reduce cogging torque in motors. |
Grades N35–N52SH |
11.7–14.8 kG remanence, Hcj up to 25 kOe for 150 °C operation. |
±0.05 mm Tolerance |
Press-fit into rotors—no secondary grinding. |
Multi-Layer Coatings |
Ni-Cu-Ni, Zn, epoxy, parylene ≥ 500 h salt-spray life. |
7-Day Prototypes |
Laser-cut tooling, fast sintering cycle. |
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Technical Specs
Property |
Typical Range |
Material |
Sintered Nd₂Fe₁₄B |
Grades |
N35, N38, N42, N48, N50, N52, N35SH–N52SH |
Remanence (Br) |
11.7–14.8 kG |
Coercivity (Hcj) |
12–25 kOe |
Max Operating Temp |
80 °C (N52) – 150 °C (SH) |
Arc Dimensions |
OD 10–200 mm, ID 8–180 mm, thickness 2–30 mm, angle 5–180° |
Tolerance |
±0.05 mm, ±0.1° angle |
Coating Options |
Ni-Cu-Ni, Zn, black epoxy, parylene, Teflon |
Certifications |
ISO 14001, ISO 9001, IATF 16949, RoHS, REACH |
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Industrial Applications
• Brushless DC (BLDC) motors – reduced cogging, higher torque.
• Servo motors & actuators – precise positioning.
• Wind-turbine generators – high flux density at low RPM.
• Magnetic couplings & pumps – contactless torque transmission.