Product Overview & Application Scenarios
1.1 Product Overview
Crafted from premium-grade neodymium rare-earth material, this zn coated U-shaped magnet delivers exceptional strength and durability for demanding applications. Its precision-engineered curved structure ensures optimal contact and secure holding on cylindrical or uneven surfaces. Widely used in motors, sensors, fixtures, and precision assemblies, this zn coated U-shaped magnet provides stable magnetic force even in high-stress environments.
1.2 Application Fields
Electric Motors & Generators – Ensures efficient magnetic flux control in high-speed rotor and stator assemblies.
Magnetic Sensors & Detectors – Delivers stable, repeatable signals for automotive and industrial sensing applications.
Magnetic Fixtures & Clamping Systems – Provides strong holding power for machining, welding, and assembly operations.
Robotics & Automation Equipment – Enables precise component alignment in compact, high-precision robotic systems.

Technical Specifications
|
Product Name |
zn coated U-shaped magnets |
|
Magnet Grade |
N35 (Br ≥11.8 kGs, Hcj ≥12 kOe) |
|
Dimensional Tolerance |
+/-0.05 |
|
Operating Temperature |
≤80°C (High-temp versions available) |
|
Density |
≥7.5 g/cm³ |
|
Surface Magnetic Field |
3,500 Gs |
|
Magnetic Flux |
2.0 mWb (Fluxmeter-tested) |
Quality Inspection
- IQC is performed on raw and auxiliary materials prior to production.
- IPQC ensures critical process parameters remain within defined limits.
- Appearance and dimensional inspections are conducted according to acceptance criteria.
- Magnetic properties are tested and recorded for traceability.
- Coating integrity and corrosion resistance are verified.
- FQC confirms full compliance before shipment approval.

Why Choose Us
Dongguan Jinconn New Material Holdings Co., Ltd. operates as a listed enterprise focused on advanced rare-earth magnetic materials. Headquartered in the Xiaomen Industrial Zone of Dongguan, the company supplies high-performance magnet solutions to customers in both domestic and international markets, supporting a wide range of industrial sectors.
Why Work With Jinconn
Extensive Industry Experience
Decades of hands-on manufacturing experience enable stable processes, reliable performance, and long-term product consistency.
Precision Manufacturing & Application-Driven Design
Every production stage is tightly controlled, with engineering support available to develop magnets optimized for specific operating conditions.
International Supply Capability
A dedicated global service network provides efficient logistics coordination and responsive technical communication.
Regulatory Compliance
All materials and products conform to RoHS and REACH requirements, ensuring safe use in global applications.

Packaging
Packaging
Non-magnetic separation and protective cushioning are applied
Moisture control and corrosion protection are included
Transport-compliant magnetic shielding is used when necessary
Precautions
Avoid mechanical shock or collision
Keep away from electronic devices
Do not exceed rated operating temperature
Store properly to maintain performance

After-Sales Service
Products conform to agreed specifications at the time of delivery.
01
Manufacturing-related defects are subject to replacement or credit.
02
Claims must be supported by evidence and submitted within the agreed timeframe.
03
Improper use or environmental factors beyond recommended conditions are excluded.
04
FAQ
Q1. How does magnetization orientation impact motor efficiency?
Answer:Optimized magnetization orientation (radial, parallel, or multi-pole) directly affects torque density, efficiency, and noise. Improper orientation leads to flux leakage and uneven field distribution. Advanced motor designs increasingly rely on custom magnetization patterns.
Q2. What testing methods are used to evaluate NdFeB magnet quality beyond basic Gauss testing?
Answer:Advanced evaluations include:
Hysteresis loop measurement
Flux mapping
Salt spray and humidity testing
Thermal aging tests
Mechanical strength and coating adhesion tests
These tests provide a more complete picture of real-world performance.
Q3. Why is NdFeB magnet lead time longer for complex shapes or high grades?
Answer:High-grade magnets require stricter sintering control and often additional diffusion processes. Complex shapes increase machining time and scrap risk. Combined, these factors significantly extend production and quality verification cycles.
Contact Us
Phone / WhatsApp / WeChat: +86 13829120676
Email: Info@jinconn.com
Address: Xiaohe Industrial Zone, Daojiao Town, Dongguan City, Guangdong Province, China
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