N40H Neodymium Bar Magnets for Motors & Generators - ±0.05mm Tolerance, 240°C Max Temperature
Price:
Negotiable
MOQ:
1 piece
Delivery Time:
5 - 10 work days
Brand:
VISION
Product Description
Product Overview
High-performance N40H grade neodymium bar magnets engineered for demanding motor and generator applications. These permanent magnets deliver exceptional magnetic properties including high residual induction, coercive force, and energy product.
Technical Specifications
| Parameter | Specification |
|---|---|
| Shape | Bar Block (Customizable sintered NdFeB shapes available) |
| Material | NdFeB (Neodymium Iron Boron) |
| Coating Options | Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper |
| Size Tolerance | ±0.05mm or ±0.1mm |
| Magnetization Direction | Thickness, Length, Axially, Diameter, Radially, Multipolar |
| Available Grades | N33-N52; N33M-N50M; N33H-N48H; N30SH-N45SH; N30UH-N40UH; N28EH-N38EH; N28AH-N35AH |
| Working Temperature | N35≤80°C; N52≤70°C; N30SH≤150°C; N33AH≤240°C |
Applications
Ideal for BLDC motors, brushless motors, industrial generators, wind turbines, sensors, speakers, magnetic separation systems, and various automotive applications.
Magnetization Directions
- Thickness Magnetized
- Axially Magnetized
- Diametrally Magnetized
- Multi-poles Magnetized
- Radial Magnetized
- Customized specific requirements
Quality & Compliance
Certified with ROHS, SGS, and ISO9001 standards. Minimum order quantity available for samples with delivery times of 3-10 days for samples and 10-30 days for production orders.
Performance Advantages
High Performance
Optimized for variable frequency compressors, motors, and rotor applications with superior magnetic properties.
High Consistency
Surface magnetic field and magnetic flux consistency controlled at ±0.05% with Br and Hcj values exceeding 1.63.
High Temperature Resistance
Excellent temperature stability suitable for most industrial applications with working temperatures up to 240°C.
Production Process
Complete manufacturing flow: Neodymium magnet melting → Pulverization → Magnetic field orientation and molding → Sintering → Semi-finished inspection → Precision machining → Surface treatment → Magnetizing → Final inspection → Packaging
Customization Support
We provide comprehensive customization services including specific shapes, sizes, magnetization directions, and coatings to meet your project requirements.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Vision Plastics Magnetoelectricity Technology Co., Ltd.
Location
1/F, Building 7, Zhengqiangda Science and Technology Park, Xiangyang Road, Shigu Community, Tangxia Town, Dongguan City, Guangdong Province, China
Contact Person
Victor