Supported Curved Arc N52 N42H N35H Free Energy

Name: Supported Curved Arc N52 N42H N35H Free Energy
Brand: YXMAGNET

Supported Curved Arc Neodymium Magnet N52 N42H N35H Free Energy Magnet Motor Generator Rotor Stator Magnetic Materials — N52/N42H/N35H. Neodymium arc segments made by YXMAGNET: N35–N52 rare-earth NdFeB, Ni-Cu-Ni / zinc / epoxy / nickel coatings, axial, diametral or radial magnetization, ±0.05 mm tolerance (±0.02 mm on small or critical features), suited to generators, brushless motors and rotors. OEM/ODM, custom magnetization and volume pricing direct from our Dongguan factory. Request a quote or sample.

Available magnetisation directions — Arc / tile magnets

The magnetisation direction is fixed when the magnet is magnetised and cannot be changed afterwards, so the direction must be confirmed before production.

Chord Magnetized ArcPoles are split across the width of the arc, so the field leaves the two sides rather than the faces.
Axially Magnetized ArcPoles sit on the two flat faces, so the field runs along the arc’s axial length.
Diametrically Magnetized ArcPoles are split through the wall thickness, so the field crosses from the inner to the outer curved face.

Manufacturing capability & measured data

Tolerance

Standard production: ±0.05 mm
Critical dimensions (on request): ±0.02 mm

Quoted per dimension against international dimensional quality standards, not as one blanket percentage. ±0.05 mm is the standard band; where a drawing calls for more, critical dimensions are held to ±0.02 mm using grinding or wire-cutting. The final tolerance is confirmed against your drawing before production.

Salt spray

Duration depends on coating: 12 – 96 h

Tell us how many hours your application needs and we match the coating to it. The test standard and the hours each coating reaches are confirmed on request.

Lead time

Sample: 10 – 15 days
Small batch: 20 – 30 days
Mass production: 40 – 60 days

Bands are by order type, not a single quantity threshold; exact lead time is confirmed at quotation.

Measured N52 properties

Remanence Br: 1,420 mT
Intrinsic coercivity Hcj: ≥ 955 kA/m
Max energy product BHmax: ≥ 390 kJ/m³
Max operating temperature: 60 °C

N52 has the highest flux of the sintered grades and the lowest heat tolerance: its maximum operating temperature is 60 °C, against 80 °C for N35–N48. For higher temperatures we move to an H, SH or UH grade and accept slightly lower flux.

Catalogue range and specialty grades

Standard catalogue range: N35–N52 (M–AH series)
Specialty grade, on request: N54 / N55
Designation: N54 (China) · N55 (international)