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Single-Plane Multipole Magnetizing Fixture

Custom Multipole Magnetizing Coil & Jig – High-Precision Fixture for NdFeB and Injection Magnets

Mag Spring® provides custom multipole magnetizing coils and precision jigs designed for industrial magnetization of NdFeB, SmCo, ferrite, rubber, and injection molded magnets. Each coil and fixture is engineered according to customer drawings, pole configuration, and magnetic field requirements. With optimized radial or axial magnetizing designs, these coils ensure stable, uniform, and efficient magnetization results. Ideal for motor rotors, wireless charging modules, sensor magnets, and other magnetic assemblies, Mag Spring® coils deliver exceptional reliability and repeatability in mass production environments.

Application Scope:

Mag Spring® magnetizing coils and jigs are used for multipole magnetization of industrial magnetic parts, including motor rotors, wireless charging modules, sensor magnets, and injection molded magnets.
They support axial and radial magnetizing modes for materials such as NdFeB, SmCo, Ferrite, Rubber Magnets, and Injection Magnets, ensuring stable field distribution and high efficiency in mass production.

Mag Spring® designs and manufactures custom multipole magnetizing coils and precision fixtures (jigs) tailored to different magnetic materials such as NdFeB, SmCo, ferrite, rubber magnets, and injection molded magnets.

Each coil and jig is designed based on the customer’s magnetic drawing, number of poles, magnetization direction, and required magnetic field strength. These high-efficiency fixtures enable accurate and repeatable magnetization for mass production of industrial magnetic components.

Whether you need an axial magnetizing coil, radial multipole magnetizing fixture, or a custom shaped magnetizing jig, Mag Spring® provides reliable solutions that fit your application requirements.


Application Scope

Mag Spring® magnetizing coils and jigs are used in a wide range of industrial applications, including:

  • Motor and Pump Rotors: Precision radial multipole magnetization for DC motors, BLDC rotors and micro pumps.

  • Wireless Charging Modules: Uniform radial magnetization for transmitting and receiving magnetic cores.

  • Sensor Magnets and Encoder Rings: Consistent field strength ensures high-resolution signal accuracy.

  • Keyboard Magnetic Components: Flat axial multipole fixtures for keyboards and consumer electronics.

  • Injection Molded Magnets and Rubber Magnetic Strips: Efficient magnetization of soft and flexible materials.

  • Research and Prototyping Laboratories: Small-batch custom coils for new product development.

Compatible with:

  • NdFeB (Neodymium Iron Boron)

  • SmCo (Samarium Cobalt)

  • Ferrite and Soft Magnetic Materials

  • Rubber Magnets and Injection Molded Magnets


Product Features and Advantages

1. Fully Customized Design

Each magnetizing coil and fixture is customized according to customer-supplied drawings and charging parameters. Our engineering team evaluates magnet dimensions, pole numbers, magnetic orientation, and required field intensity to create an optimized design.

2. Multi-Pole Capability

Supports axial, radial (inner and outer), and irregular pole magnetization patterns for complex magnet structures — from two-pole to multi-pole configurations used in advanced motors and sensors.

Magnetizing Coil
Planar 2-Pole Magnetizing Coil
Magnetizing Coil
Axially Magnetizing Coil

3. High Magnetizing Efficiency

The optimized coil geometry and low-loss material selection ensure fast magnetization cycles with minimum energy consumption and reduced heating effects.

4. Uniform Magnetic Field Distribution

Precision winding and simulation-verified design guarantee consistent field strength throughout the magnet surface, reducing leakage and improving magnetic performance consistency.

5. Durable and Reliable Structure

All fixtures and jigs are made from heat-resistant materials and are designed for long lifespan even under continuous industrial operation.

6. Easy Integration

Compatible with Mag Spring® and third-party magnetizing machines. The fixture interfaces can be customized to match your existing charging equipment.

7. Comprehensive Technical Support

We offer simulation reports, magnetic field analysis, and recommendations on charging voltage, energy level, and machine setup to help you achieve optimal results.


Technical Specifications (Reference)

Type / Model Magnetization Mode Suitable Product Examples Core Features
Plane Axial Multipole Fixture Axial N-S alternate poles Keyboard magnet strips, flat magnetic parts Uniform flat field, high repeatability
Radial Inner Magnetizing Fixture Radial field from center to outer ring Wireless charging modules, motor rotors For inner bore structures
Radial Outer Magnetizing Fixture Radial field from outside to center Pump rotors, sensor housings Ideal for shell structures
Irregular Shape Multipole Jig Custom pole distribution Non-standard and complex magnet shapes CAD-based custom design available

Note: All data above are for reference only. Design parameters and dimensions are subject to customer requirements. High-temperature coils (up to 200 °C) and insulation grade options are available upon request.


Customization Process

  1. Requirement Collection: Customer provides product drawings, pole requirements, and magnetization direction.

  2. Engineering Evaluation: Our engineers analyze field strength, coil geometry, and fixture compatibility.

  3. Design and Quotation: We deliver a technical proposal with a quotation and estimated lead time.

  4. Sample Fabrication & Testing: Trial fixture produced for validation and field testing.

  5. Mass Production & Delivery: After confirmation, fixtures are manufactured and delivered on schedule.

  6. After-Sales Support: Mag Spring® provides setup guidance and technical assistance for integration with magnetizing machines.


Why Choose Mag Spring®

  • Over 10 years of engineering experience in industrial magnetizing systems.

  • Professional R&D team specializing in magnetizing coils, jigs, and fixtures for NdFeB and SmCo materials.

  • Customized solutions designed for high-efficiency production lines in the magnetic industry.

  • Complete range of supporting equipment — from automatic magnetizing machines to flux measurement systems.

  • Global service network covering Europe, the Middle East, and Asia.

  • Trusted by leading motor manufacturers, sensor suppliers, and magnetic component factories worldwide.


FAQ – Technical Questions

Q1: Can you design a multipole fixture for an irregular magnet shape?

Yes. Mag Spring® specializes in customized irregular multipole magnetizing fixtures. We only require the magnet drawing and desired magnetization direction to propose a design solution.

Q2: What magnet sizes and materials can your coils handle?

Our magnetizing coils and jigs can accommodate a wide range of sizes and materials, including NdFeB, SmCo, ferrite, rubber, and injection magnets.

Q3: Can the fixture be used with existing magnetizing equipment?

Absolutely. All coils and jigs can be tailored to fit your existing charging machine’s interface and voltage requirements.

Q4: What testing and documentation do you provide?

Upon request, Mag Spring® provides magnetic field uniformity test reports, flux distribution data, and performance verification records.

Q5: What is the lead time for a custom coil or fixture?

Lead time depends on complexity, typically 3–4 weeks for design and fabrication after technical confirmation.


Example Applications / Case Studies

  • Wireless Charging Transmitter Coil: Radial inner multipole fixture improved magnetization efficiency by 25%.

  • Motor Rotor Production Line: Custom axial magnetizing coil achieved consistent magnetic performance within ±5%.

  • Injection Molded Sensor Magnet: Dedicated jig design reduced setup time and improved field uniformity across the surface.

Discover more industrial cases on our official website magnetact.com.


Ordering and Contact

For professional technical guidance and custom fixture design, contact our engineering team directly:
📧 Email: act@mag-spring.com
🌐 Website: www.magnetact.com

Send us your magnet drawings and desired charging parameters, and our experts will design a custom multipole magnetizing coil or jig that fits your production needs.


Summary

Mag Spring® Custom Multipole Magnetizing Coil & Jig solutions empower manufacturers to achieve high field precision, improved charging efficiency, and repeatable magnetic performance across various applications.

With years of experience in industrial magnetizing equipment and fixtures, Mag Spring® continues to support the magnet industry with innovative engineering and uncompromising quality.

From concept to coil – we magnetize your innovation.