Steering Angle Magnet Rotors

High-precision multi-pole magnet rotors for EPS (Electric Power Steering) and steering angle sensing.

Target Buyer:Best for steering system manufacturers needing high-pole-count rotors with strict dimensional and magnetic runout controls.

Solution Highlights

Multi-pole magnetization for high-resolution angle detection
Tight concentricity and runout control on large inner diameters
Stable bonded NdFeB or ferrite compounds for steering column environments

Common Use Cases

EPS motor sensors
Steering angle sensors (SAS)
Torque and angle sensor modules

Implementation Focus

Multi-pole magnetization accuracy and phase shift
Large ID/OD ratio molding stability and shrinkage control
Concentricity to the steering column mating feature

Application Evaluation Matrix

Evaluation Metric	Typical Range	Buyer Relevance
Pole pitch error	Controlled to minimize angle calculation jitter	In EPS systems, uneven magnetic poles cause steering feel issues and angle miscalculation.

RFQ Preparation Checklist

2D/3D drawing, material target, magnetic pattern, and sensing datum
Operating temperature, vibration, media exposure, and lifetime requirement
Sample quantity, tooling target, annual forecast, destination, and PPAP needs
Pole count, column diameter, air gap, and required angle resolution

Risk and Mitigation

Brittle sintered magnet carried into a vibration-critical assembly: Review bonded magnet material and molded geometry when chipping, cracking, or adhesive failure can affect functional safety.
Magnetic pattern accepted without measurable criteria: Define flux density, pole count, angle error, sensing radius, concentricity, and inspection method before sample tooling.

Recommended Products

Buyer FAQ

Are bonded magnets suitable for large steering column rings?

Yes, injection molding allows for thin-wall, large-diameter rings that would be too fragile if made from sintered magnets.

Related Resources

Multi-Pole Magnetization

Inquiry Email

[email protected]

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Include drawing, material, pole pattern, quantity, and destination.

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+8618857971991

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Direct response from our engineering team.

Evaluation Metric

Typical Range

Buyer Relevance

Pole pitch error

Controlled to minimize angle calculation jitter

In EPS systems, uneven magnetic poles cause steering feel issues and angle miscalculation.

Risk and Mitigation

Brittle sintered magnet carried into a vibration-critical assembly: Review bonded magnet material and molded geometry when chipping, cracking, or adhesive failure can affect functional safety.

Magnetic pattern accepted without measurable criteria: Define flux density, pole count, angle error, sensing radius, concentricity, and inspection method before sample tooling.