Neodymium Magnet Manufacturing & Custom Production Solutions
Osenc Magnets provides custom sintered NdFeB magnet manufacturing services including powder processing, pressing, sintering, machining, coating, magnetization, and quality inspection for industrial applications worldwide.
We support OEM manufacturers, engineering companies, industrial automation suppliers, EV motor manufacturers, renewable energy systems, medical device companies, and custom magnetic assembly projects.
NdFeB Magnet Manufacturing Overview
Full Sintered Neodymium Magnet Production Workflow
Osenc Magnets operates a complete manufacturing workflow for sintered neodymium magnets with engineering-focused production control and quality inspection procedures.
Manufacturing Process Flow
Rare Earth Raw Materials → Powder Preparation → Pressing → Sintering → Machining → Coating → Magnetization → Inspection → Packaging
Manufacturing Capabilities
- Sintered NdFeB Magnet Production
- Precision CNC Machining
- Multi-Pole Magnetization
- Tight Tolerance Grinding
- Surface Coating
- Custom Magnet Shapes
- OEM & ODM Manufacturing

Sintered NdFeB Magnet Manufacturing
High-Performance Rare Earth Magnet Production
Sintered NdFeB magnets are manufactured using rare earth alloy powders compressed and sintered into dense permanent magnet materials with high magnetic energy density.
Key Characteristics
- High Magnetic Strength
- Excellent Energy Product
- Compact Magnetic Design
- Suitable for Industrial Applications
- Available in Multiple Grades

Available Magnet Grades
- N35
- N42
- N48
- N52
- N54
- N55
- High Temperature Grades (M / H / SH / UH / EH)

Powder Preparation & Pressing
Rare Earth Powder Processing
NdFeB alloy materials are melted, processed into powder form, and prepared for orientation and pressing.
Pressing Technologies
- Die Pressing
- Isostatic Pressing
- Magnetic Field Orientation
Manufacturing Advantages
- Controlled Grain Orientation
- High Magnetic Alignment
- Consistent Material Density
- Optimized Magnetic Properties
Engineering Focus
Precise powder orientation directly affects magnetic performance, remanence, and coercivity.

Sintering Process
High-Temperature Densification
Pressed magnet blocks are sintered at controlled temperatures to form dense permanent magnet structures with optimized magnetic properties.
Sintering Benefits
- Improved Magnetic Strength
- Enhanced Structural Stability
- High Material Density
- Controlled Microstructure
Process Control
- Temperature Monitoring
- Atmosphere Control
- Material Uniformity Inspection
- Batch Traceability

Precision Machining Services
Tight Tolerance Magnet Machining
We provide precision machining services for complex magnet geometries and tight-tolerance applications.
Machining Capabilities
- CNC Machining
- Grinding
- Slicing
- Wire EDM Cutting
- Hole Drilling
- Custom Geometry Processing

Tolerance Capability
Precision tolerances up to ±0.03mm depending on part geometry and application requirements.
Custom Shapes
- Disc Magnets
- Ring Magnets
- Block Magnets
- Arc Magnets
- Tube Magnets
- Irregular Custom Shapes

Magnet Coating Process
Surface Protection for NdFeB Magnets
Neodymium magnets require protective coatings to improve corrosion resistance and environmental durability.
Available Coatings
| Coating | Corrosion Resistance | Typical Applications |
|---|---|---|
| NiCuNi | Medium | Standard Industrial |
| Epoxy | High | Outdoor & Humid Environments |
| Zinc | Medium | General Commercial Use |
| Gold | Medium | Medical & Specialized Use |
| PTFE | High | Chemical & Specialized Applications |
Coating Services
- Electroplating
- Epoxy Coating
- PTFE Coating
- Multi-Layer Coating Systems

Environmental Protection
Coatings help protect magnets from:
- Humidity
- Salt Spray Exposure
- Oxidation
- Chemical Exposure

Magnetization Process
Custom Magnetization Solutions
We provide multiple magnetization methods for industrial and engineering applications.
Magnetization Types
Axial Magnetization
Magnetic poles located on flat surfaces.
Diametrical Magnetization
Magnetic poles positioned on opposite curved sides.
Radial Magnetization
Radially distributed magnetic poles for motor systems.
Multipole Magnetization
Multiple pole configurations for precision rotational applications.

Magnetization Equipment
- Pulse Magnetizers
- Multi-Pole Fixtures
- Custom Magnetization Tooling
- Magnetic Field Calibration

Quality Control & Inspection
Industrial Quality Inspection Procedures
Quality control is integrated throughout material preparation, machining, coating, magnetization, and final inspection processes.
Inspection Capabilities
Magnetic Flux Testing
Verification of magnetic field strength and consistency.
Pull Force Testing
Testing magnetic holding force under controlled conditions.
Dimensional Inspection
Precision measurement of dimensions and tolerances.
Salt Spray Testing
Evaluation of coating corrosion resistance.
Gauss Meter Testing
Measurement of magnetic flux density.

Quality Objectives
- Consistent Magnetic Performance
- Tight Dimensional Control
- Coating Reliability
- Batch Traceability
- Production Stability

OEM & Custom Magnet Manufacturing
Engineering-Focused Custom Production
Osenc Magnets supports OEM and custom manufacturing projects based on customer drawings, CAD files, and application specifications.
Customization Options
Custom Shapes
- Disc
- Ring
- Arc
- Block
- Cone
- Tube
- Irregular Geometries

Custom Grades
- Standard NdFeB Grades
- High Temperature Grades
- High Coercivity Grades

Custom Coatings
- NiCuNi
- Epoxy
- PTFE
- Gold
- Zinc

Custom Magnetization
- Axial
- Diametrical
- Radial
- Multi-Pole

Engineering Support
- Prototype Development
- Magnetic Circuit Optimization
- Material Selection
- DFM Consultation
- OEM & ODM Manufacturing

Request Manufacturing Quote
Request technical consultation, prototype support, or custom manufacturing quotations for your magnet project.
