Technical Forum

Professional insights and technical analysis from the AIC Engineering team on magnetic materials, magnetic sensors, motor design, and application engineering.

What Are the Magnetization Directions for Permanent Magnets? Axial, Radial, Multipole, and Skewed Pole Magnetization Explained / 永磁体充磁方式有哪些?轴向、径向、多极与斜极充磁详解
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What Are the Magnetization Directions for Permanent Magnets? Axial, Radial, Multipole, and Skewed Pole Magnetization Explained

Selecting the optimal magnetization direction for permanent magnets is a critical yet frequently overlooked design decision that directly impacts motor torque ripple, sensor signal fidelity, coupling efficiency, and system noise. This article bridges the gap between…

August 16, 2026 permanent magnet magnetization directions explained axial vs radial magnetization optimization multipole magnetization design guide skewed pole magnetization for cogging torque reduction permanent magnet charging orientation selection applications
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How to Choose Coatings for NdFeB Magnets? Difference Analysis of Nickel-Copper-Nickel, Epoxy, and Phosphating / 钕铁硼磁体的镀层怎么选?镍铜镍、环氧、磷化的差异分析

How to Choose Coatings for NdFeB Magnets? Difference Analysis of Nickel-Copper-Nickel, Epoxy, and Phosphating

Sintered NdFeB magnets deliver exceptional magnetic performance but suffer from inherent corrosion vulnerability due to their iron-rich microstructure. Inappropriate surface protection frequently leads to field failures such as flux degradation, delamination, and white powder…

August 12, 2026
How to Select Permanent Magnets for Motor Rotors: Materials, Magnetic Circuits, and Magnetization Methods Explained / 电机转子中的永磁体如何选?材料、磁路与充磁方式详解

How to Select Permanent Magnets for Motor Rotors: Materials, Magnetic Circuits, and Magnetization Methods Explained

Selecting permanent magnets for electric motor rotors requires balancing magnetic performance, thermal resilience, and supply chain stability. Engineers often face cascading trade-offs where an undersized grade increases inverter current and thermal stress, while an overly…

August 9, 2026
Magnetic Scales vs. Precision Code Discs: How to Select Magnetic Encoding Products / 磁栅尺与精密码盘的区别:磁编码产品如何选型?

Differences Between Magnetic Scales and Precision Code Discs: How to Select Magnetic Encoding Products

Precision motion control systems in CNC machinery, robotics, and semiconductor equipment face a critical selection challenge when specifying magnetic feedback components. Choosing between linear magnetic scales and rotary precision code discs directly impacts positioning…

August 2, 2026
How to Design Magnets for Hall Sensors: Key Considerations on Pole Count, Dimensions, and Field Distribution / 霍尔传感器磁铁如何设计?极数、尺寸与磁场分布关键点

How to Design Magnets for Hall Sensors: Key Considerations on Pole Count, Dimensions, and Field Distribution

Author: AIC Engineering (骏材磁应用团队) | Material: | Industry: Key Considerations on Pole Count, Dimensions, and Field Distribution Why Hall Sensor Magnet Design Is Harder Than It Looks

August 2, 2026
What Complex Structures Are Injection-Molded NdFeB Magnets Suited For? Process Characteristics and Application Analysis / 注塑钕铁硼磁体适合哪些复杂结构?工艺特点与应用解析

What Complex Structures Are Injection-Molded NdFeB Magnets Suited For? Process Characteristics and Application Analysis

Precision electromechanical systems frequently require magnets with irregular cross-sections, thin walls, or integrated metal-plastic assemblies, yet conventional sintered NdFeB is constrained by brittleness and secondary machining costs. This article evaluates…

July 29, 2026
Manufacturing Process and Advantages of Hot-Pressed NdFeB Magnets: Why They Suit High-Performance Motors / 热压钕铁硼磁体的制造工艺与优势:为什么适合高性能电机?

Manufacturing Process and Advantages of Hot-Pressed NdFeB Magnets: Why They Suit High-Performance Motors

High-performance motor designers face a persistent trade-off between maximizing torque density and managing the brittleness, material waste, and assembly risks of conventional sintered NdFeB magnets, especially for thin or complex rotor geometries. This article examines the…

July 29, 2026
Understanding the Working Principle of Magnetic Gears: A Magnetic Component Selection Guide / 理解磁力齿轮的工作原理:磁性元件选型指南

Understanding the Working Principle of Magnetic Gears: A Magnetic Component Selection Guide

Understanding the Working Principle of Magnetic Gears: A Magnetic Component Selection Guide Application Scenario Pain Points In modern industrial automation, robotics, and electric vehicle drivetrains, mechanical gearboxes are traditionally relied upon for torque conversion and…

July 27, 2026
Differences Between Magnetic Scales and Precision Code Discs: How to Select Magnetic Encoding Products / 磁栅尺与精密码盘的区别:磁编码产品如何选型?

Differences Between Magnetic Scales and Precision Code Discs: How to Select Magnetic Encoding Products

Design engineers in precision motion control frequently struggle to choose between linear magnetic scales and rotary precision code discs. Both offer non-contact position feedback, but mismatching topology to application geometry or misjudging pole pitch and air gap tolerances…

July 27, 2026
How to Design Magnets for Hall Sensors: Key Considerations on Pole Count, Dimensions, and Magnetic Field Distribution / 霍尔传感器磁铁如何设计?极数、尺寸与磁场分布关键点

How to Design Magnets for Hall Sensors: Key Considerations on Pole Count, Dimensions, and Magnetic Field Distribution

Author: AIC Engineering (骏材磁应用团队) | Material: | Industry: Key Considerations on Pole Count, Dimensions, and Magnetic Field Distribution Why Hall Sensor Magnet Design Is More Challenging Than It Appears

July 19, 2026
Working Principles and Selection Methods for Magnetic Filtration Systems: How to Remove Ferromagnetic Particles from Fluids / 磁过滤系统的工作原理与选型方法:如何去除流体中的铁磁性颗粒?

Working Principles and Selection Methods for Magnetic Filtration Systems: How to Remove Ferromagnetic Particles from Fluids

Author: AIC Engineering (骏材磁应用团队) | Material: | Industry: How to Remove Ferromagnetic Particles from Fluids Why Ferromagnetic Particle Contamination Is a Persistent Engineering Problem

July 15, 2026
How Magnetic Couplings Achieve Zero-Leakage Torque Transmission: Structure, Principles, and Application Details / 磁力联轴器如何实现零泄漏传动?结构、原理与应用详解

How Magnetic Couplings Achieve Zero-Leakage Torque Transmission: Structure, Principles, and Application Details

Mechanical shaft seals remain a persistent failure point in chemical, pharmaceutical, and offshore pump systems, driving costly downtime, environmental risks, and recurring maintenance expenses. This article examines how magnetic couplings eliminate dynamic seals entirely by…

July 14, 2026