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BondedMagnetSource
BondedMagnetSource

Bonded NdFeB and bonded ferrite magnets from a China factory focused on OEM projects and custom B2B supply.

We support motor, sensor, appliance, and industrial buyers who need near-net-shape magnet parts, multipole capability, OEM coordination, and repeatable batch production.

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Products

Bonded Rings

A high-priority geometry for motors, encoders, and sensor assemblies.

Multipole bonded ring magnets for compact rotor assemblies

Start your magnet inquiry

Share the application, target dimensions, material preference, and annual demand. We will reply by email.

Inquiry email

[email protected]

Open email appStart inquiry

Start inquiry opens your default email app.

Open email app can include a prepared subject if needed.

Why teams use this route
Bonded rings help teams manage thin walls, pole-count requirements, and assembly efficiency in applications that cannot tolerate bulky magnetic structures.
What to confirm early
  • Geometry: confirm wall thickness, chamfers, and manufacturability limits
  • Magnetization: confirm pole count, direction, and fixture constraints
  • Tolerance: define critical dimensions and assembly-fit tolerances
  • Qualification: define sample tests, reliability checks, and release criteria
  • Supports multipole ring programs
  • Useful for thin-wall and compact rotor geometry
  • Matches sensor and motor assembly requirements
Decision method
Use this sequence to move from generic discussion to an executable sourcing decision.
  1. Start from drawing-level constraints: geometry, tolerance stack, and magnetization direction.
  2. Screen route fit: bonded family vs fallback route under temperature, duty cycle, and assembly targets.
  3. Request sample verification with explicit pass/fail metrics before tooling lock and volume commit.
Evidence package to request
Request these items before confirming route, budget, or timeline assumptions.
  • Part drawing or geometry baseline with critical tolerances
  • Target magnetic output and magnetization pattern
  • Operating temperature and reliability boundary conditions
  • Annual volume, tooling assumptions, and sample acceptance criteria
Scope limits
Boundaries that keep interpretation realistic and prevent over-claiming.
  • This page is a sourcing-screening guide, not a replacement for magnetic circuit simulation.
  • Final material and magnetization choices require full application context and engineering review.
  • Cost and lead-time assumptions must be confirmed against annual volume and tooling strategy.

Reviewed for sourcing decision quality by BondedMagnetSource application engineering.

Methodology references
Pages that provide the evidence basis for this screening framework.
  • Bonded magnet material guide and checkerRoute screening baseline for bonded families and fallback paths.
  • Bonded vs sintered comparisonTradeoff framework for geometry freedom versus raw magnetic output.
  • Compression vs injection process comparisonTooling and manufacturability decision points for route lock.

Typical applications

EPS rings
ABS sensor rings
Stepper and BLDC rotors

Related industry paths

Automotive
For sensor rings, steering, and compact automotive motor programs.
Automotive
Home Appliances
For cost-conscious appliance motor and rotor applications.
Home Appliances
Hard Disk Drives
For thin-wall, compact, and geometry-sensitive magnetic parts.
Hard Disk Drives