Magnet world - XHMAG | NdFeB Magnets – No Dy/Tb, Export-Ready

Jul 20, 2026 Blog Magnet world

Magnets for Servo Motors：Why Tight Dimensional Tolerance Matters More Than Grade

When a servo motor designer specifies a rotor magnet, the conversation almost always starts with magnet grade — N38, N42SH,...

Jul 17, 2026 Blog Magnet world

Understanding NdFeB Temperature Coefficients：α and β Explained for Motor Designers

Every sintered NdFeB magnet loses performance as it heats up. For a motor designer, the question is never whether that...

Jul 16, 2026 Blog Magnet world

Rare Earth Weekly：Nd/Pr Oxide Pricing and Supply Update—July 2026

Neodymium-praseodymium (Nd/Pr) oxide — the main raw material behind every sintered NdFeB magnet — is trading around 760,000–766,000 yuan/mt in...

Jul 15, 2026 Blog Magnet world

How to Write an NdFeB Magnet RFQ That Gets Useful Responses

Most magnet quotes come back slow or wrong for one reason: the RFQ didn’t say enough. “I need a strong...

Jul 9, 2026 Blog Magnet world

NdFeB Salt Spray Testing：What the Hours Actually Mean for Your Application

Salt spray testing is the most widely cited measure of corrosion resistance for sintered NdFeB magnets — yet the hours...

Jul 6, 2026 Blog Magnet world

BLDC Motor Magnets ：Arc Segment vs Block vs Ring ——Which Geometry Works for Your Rotor？

The magnet geometry you choose for a brushless DC (BLDC) or permanent-magnet synchronous (PMSM) rotor is one of the earliest...

Jul 3, 2026 Blog Magnet world

Grain Boundary Diffusion（GBD）Technology Explained：How It Achieves High Hcj Without Dy/Tb

Coercivity (Hcj) is what keeps a permanent magnet stable when the temperature climbs. In a traction motor at 150 °C,...

Jul 1, 2026 Blog Magnet world

What Should Be in Every NdFeB Magnet Shipment Document Package？

A magnet shipment rarely gets held at customs because of the magnets themselves. It gets held because one document in...

Jun 30, 2026 Blog Magnet world

How China’s April 2025 Dual-Use Export Controls Are Reshaping Global Magnet Supply Chains

Introduction On April 4, 2025, China’s Ministry of Commerce issued Announcement No. 18, imposing export licensing requirements on seven medium...

Jun 29, 2026 Blog Magnet world

Magnets for Elevator Traction Motors: Grade Selection, Thermal Stability and Export Considerations

Elevator traction motors run continuously, often in mechanically demanding environments with elevated ambient temperatures and strict duty cycles. For engineers...