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Magnetic components

Halbach Assemblies

Ring, cylindrical, linear and arc Halbach assemblies configured for your target field and supplied as finished components.

φ10–400 mm
Ring bore diameter
10–600 mm
Linear section lengthSections can be joined
N35–N54
NdFeB gradesSmCo option for continuous duty above 150 °C, subject to the operating point
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Flanged ring Halbach assemblies with segmented magnets for motor magnetic circuits – NEOLUNE MAGNETS.

Structure types

Array designs use rings, inner bores and linear tracks.

Segmented ring Halbach assemblies for motor magnetic circuits – NEOLUNE MAGNETS.

Ring arrays

Annular layouts; magnetic direction and segmentation follow the design.

Cylindrical Halbach assemblies in a blue housing for defined-field equipment designs – NEOLUNE MAGNETS.

Cylindrical assemblies

Bore-centred layouts with a custom axial length and mounting interface.

Linear Halbach assemblies on support strips for motor magnetic circuits – NEOLUNE MAGNETS.

Linear tracks

Linear sections and modular magnetic segments can be joined.

Arc-shaped Halbach assemblies with fasteners for motor and rotor layouts – NEOLUNE MAGNETS.

Arc segments

Arc-shaped segments for motor and rotor layouts.

Product examples

Ring, cylindrical, linear and arc assembly forms.

Cylindrical Halbach assemblies in a blue housing for defined-field equipment designs – NEOLUNE MAGNETS.
Bore-centred array in a square outer housing.
Segmented ring Halbach assemblies for motor magnetic circuits – NEOLUNE MAGNETS.
Ring array with direction markings on the segments.
Flanged ring Halbach assemblies for motor magnetic circuits – NEOLUNE MAGNETS.
Flanged ring structure with segmented magnets around the bore.
Cylindrical Halbach assemblies with mounting flanges for defined-field equipment – NEOLUNE MAGNETS.
Cylindrical assembly with an open bore and mounting flange.
Compact cylindrical Halbach assemblies with central bores for defined-field equipment – NEOLUNE MAGNETS.
Compact cylinder with segmented magnets around a central bore.
Arc-shaped Halbach assemblies with fasteners for motor and rotor layouts – NEOLUNE MAGNETS.
Arc-shaped array with fasteners along the curved face.
Reverse view of arc-shaped Halbach assemblies for motor and rotor layouts – NEOLUNE MAGNETS.
Reverse view of the segmented arc and mounting fasteners.
Linear Halbach assemblies on support strips for motor magnetic circuits – NEOLUNE MAGNETS.
Linear rows of magnets fixed to support strips.
Linear Halbach assemblies with end supports for motor magnetic circuits – NEOLUNE MAGNETS.
Rectangular magnet arrangement with supported ends.
Linear Halbach assemblies with alternating segments for motor magnetic circuits – NEOLUNE MAGNETS.
Linear assembly with alternating segment orientations.
Short linear Halbach assemblies for motor magnetic circuits – NEOLUNE MAGNETS.
Short linear arrays assembled from rectangular magnet pieces.
Block Halbach assemblies on mounting bases for defined-field equipment – NEOLUNE MAGNETS.
Segmented block mounted on a plate with corner holes.
Block Halbach assemblies on carrier plates for defined-field equipment – NEOLUNE MAGNETS.
Block array with a stepped carrier and mounting holes.
Upright block Halbach assemblies on mounting plates for defined-field equipment – NEOLUNE MAGNETS.
Upright block array with visible joints on a broad base.
Two views of compact block Halbach assemblies for defined-field equipment – NEOLUNE MAGNETS.
Compact block shown from its segmented and broad faces.
Framed rectangular Halbach assemblies for defined-field equipment – NEOLUNE MAGNETS.
Closely spaced rows retained by a rectangular metal frame.
Flat rectangular Halbach assemblies with fastening holes for equipment integration – NEOLUNE MAGNETS.
Flat rectangular assembly with perimeter fastening holes.
Flanged rectangular magnetic component for climbing-robot integration – NEOLUNE MAGNETS.
Rectangular enclosed component on a flanged mounting plate.

Configuration range

ParameterAvailable range or option
Ring bore diameterφ10–400 mm
Linear segment length10–600 mm per segment; joinable
Minimum magnet thickness≥2 mm
MaterialsNdFeB N35–N54; SH / UH / EH options. SmCo for continuous duty above 150 °C, subject to the operating point.
MagnetisationMulti-angle, segmented magnetisation
Base / back ironWith a base or back-iron-free; back-iron-free assemblies require structural restraint.
CoatingNickel–copper–nickel: 48–72 h salt spray. Epoxy: 200 h+ salt spray.

Ranges are based on existing production. Final specifications are subject to drawings and agreed acceptance conditions.

Coating performance is subject to the agreed coating specification and salt-spray test conditions.

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What to send us

  1. Target air-gap flux density
  2. Working air gap
  3. Envelope and installation limits
  4. Operating temperature
  5. Application, speed and quantity

From inputs to an array proposal

Segment count, magnet grade and magnetisation angles are reviewed against your target field and installation requirements.

Assembly and checks

Bond, then magnetise
Suitable for some complete rings. Magnetiser size limits the assembly envelope.
Magnetise, then bond
Used for larger units and linear tracks. Dedicated fixtures control repulsive forces.
Batch reports
Magnetic-field, dimensional and coating reports can be supplied. Check items, coverage and report content are agreed per project.

Prototype to production

Prototype
From 1 set
Mature-drawing samples
Typically 5–8 working days. Timing starts after drawing confirmation and receipt of sample payment.
New design and tooling
Typically 7–15 working days
Production
Typically 15–30 working days

The assembly route and timing depend on design, size, tooling and quantity. Production MOQ is confirmed by specification. Finished assemblies use magnetic shielding and protective packaging.

Related applications

Discuss Halbach assemblies

Share your drawing, target field and operating conditions. Prototypes from a single set.

sales@neolune.com+86 15869532800
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Submit your inquiry using the form. Email drawings to sales@neolune.com.