Name: China Customized Large Cube Magnets Manufacturers Factory - Large Cube Magnets for Sale - Jinconn
Brand: Jinconn
SKU: 293895577

Description

Send Inquiry

Product Overview & Application Scenarios

Engineered for extreme-performance applications requiring unmatched magnetic force, these customized professional grade large cube magnets deliver superior holding power for industrial operations. Specifically developed for:

✔ Industrial Machinery - Securing/lifting massive metal parts with pinpoint accuracy
✔ Renewable Energy Systems - Critical components in wind turbine generators for optimized power output
✔ Material Processing - High-efficiency ferrous material extraction in mining/recycling separator systems

With their ultra-strong magnetic fields and rugged construction, these customized premium quality high adhesive force extreme force-grade strongest Nickel-coating Neodymium big block permanent Magnets outperform in the toughest working conditions.

Technical Specifications

Product Name	large cube magnets
Magnet Grade	N52 (Br ≥14.2 kGs, Hcj ≥20 kOe)
Dimension	L484820mm
Dimensional Tolerance	+/-0.05
Operating Temperature	≤150°C (High-temp versions available)
Density	≥7.5 g/cm³
Surface Magnetic Field	4,800 Gs
Magnetic Flux	2.0 mWb (Fluxmeter-tested)

2.1 N52 Neodymium Magnet

N52 is one of the highest-grade neodymium iron boron (NdFeB) magnets available, offering extremely strong magnetic force in the smallest possible size. It is designed for applications where maximum magnetic performance is critical.

Key Characteristics

Maximum Magnetic Strength:

Provides the highest energy product among standard NdFeB grades, enabling ultra-compact designs.

High Efficiency in Small Sizes:

Allows reduced magnet volume while maintaining strong performance.

Standard Temperature Capability:

Suitable for operating temperatures up to 80°C.

Typical Applications:

Commonly used in high-end motors, precision sensors, medical devices, magnetic couplings, and advanced industrial systems.

♦ Summary
N52 delivers the strongest magnetic performance available in standard neodymium grades. It is the ideal choice for customers who require maximum power and space efficiency under normal operating temperatures.

Manufacturing Process

Alloy Preparation

High-purity Neodymium (Nd), Iron (Fe), Boron (B), and selected alloying elements are accurately proportioned and melted under vacuum conditions. This process prevents oxidation and ensures chemical uniformity of the alloy.

Hydrogen Decrepitation

The alloy flakes are exposed to hydrogen gas, causing them to fracture into coarse powder. This controlled process improves material brittleness and prepares the alloy for fine particle refinement.

Fine Powder Milling

The coarse powder is micronized using jet milling in an inert atmosphere. Accurate control of particle size and distribution is essential for high coercivity and effective grain alignment.

⚠ Safety and Handling Instructions

Careful handling required:

Neodymium magnets are rigid and fragile; impact or dropping may result in cracking or breakage.

Safe separation method:

When disengaging magnets, use a sliding motion. Do not pull apart forcefully or use prying tools, as this may cause injury or damage.

Verify magnetic orientation:

Ensure correct polarity prior to installation to prevent functional failure or equipment damage.

Proper storage conditions:

Store in a clean, dry, and non-reactive environment. Exposure to moisture, acidic, or corrosive media should be avoided.

Protect sensitive equipment:

Strong magnetic fields can interfere with electronic and medical devices. Maintain adequate distance from hard drives, magnetic storage media, pacemakers, and similar equipment.

FAQ

Q1. What are the most common failure modes identified in reliability testing?

Typical failure modes include corrosion-related degradation, coating delamination, thermal demagnetization, and mechanical cracking caused by excessive stress or improper handling.

Q2.How is root cause analysis performed after test failures?

Root cause analysis includes microstructure analysis, coating inspection, magnetic property re-evaluation, and process parameter review to identify and correct the source of failure.

Q3.How is process consistency maintained during manufacturing?

Critical process parameters such as powder composition, oxygen content, sintering temperature, and machining conditions are monitored and controlled through SPC and routine inspections.

Q4. What standards are followed for reliability testing?

Reliability testing is conducted in accordance with international standards such as ISO, ASTM, and IEC, as well as customer-specific technical specifications.