行业组件数据 · 2026

磁轭/框架

Structural component providing magnetic flux path and mechanical support in permanent magnet assemblies

技术定义与适配语境
典型 磁轭/框架 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

The magnetic yoke or frame is a critical structural component in permanent magnet assemblies that serves dual functions: it provides a low-reluctance path for magnetic flux to enhance field strength and uniformity, while also offering mechanical support and alignment for permanent magnets and other assembly elements. Typically made from ferromagnetic materials, it completes the magnetic circuit by connecting opposite poles of magnets, concentrating magnetic fields in designated air gaps for applications like motors, generators, sensors, and magnetic separation systems.

组件规格

定义
The magnetic yoke or frame is a critical structural component in permanent magnet assemblies that serves dual functions: it provides a low-reluctance path for magnetic flux to enhance field strength and uniformity, while also offering mechanical support and alignment for permanent magnets and other assembly elements. Typically made from ferromagnetic materials, it completes the magnetic circuit by connecting opposite poles of magnets, concentrating magnetic fields in designated air gaps for applications like motors, generators, sensors, and magnetic separation systems.
工作原理
Operates on electromagnetic principles by providing a high-permeability path for magnetic flux lines. When integrated with permanent magnets, the yoke directs and concentrates magnetic flux through its ferromagnetic structure, minimizing flux leakage and increasing magnetic field density in target areas. This creates a closed magnetic circuit where flux circulates efficiently from the north pole of magnets through the yoke to the south pole, enhancing overall magnetic performance and stability.
材料
Low-carbon steel (AISI 1008-1010)silicon steel (M-19M-36 grades)electrical steelpure iron (Armco iron)soft magnetic composites (SMC)or nickel-iron alloys (Permalloy). Materials selected based on permeabilitysaturation flux densitycoercivityand core loss requirements.
Core Loss
<2.5 W/kg at 1.0T, 60Hz
Coercivity
<100 A/m
Mechanical Strength
250-400 MPa yield strength
Magnetic Permeability
500-5000 μr
Operating Temperature
-40°C to 150°C
Electrical Resistivity
10-50 μΩ·cm
Saturation Flux Density
1.5-2.0 Tesla
标准
ISO 683-17DIN EN 10106IEC 60404-8-7ASTM A848

行业分类与别名

磁轭/框架 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Insufficient cross-sectional area->Magnetic saturation, reduced flux density->Design with adequate material thickness based on flux calculations, use materials with higher saturation flux density
Poor material selection->Excessive core losses, heating->Select appropriate electrical steel grades with low hysteresis and eddy current losses for application frequency
Inadequate corrosion protection->Material degradation, increased magnetic reluctance->Apply protective coatings (phosphate, epoxy, nickel plating), use corrosion-resistant alloys in harsh environments

工业生态与工程逻辑

0
Magnetic saturation leading to performance degradation
1
Corrosion in humid environments
2
Mechanical deformation under stress
3
Eddy current losses at high frequencies
4
Thermal demagnetization at elevated temperatures

合规与检测

tolerance
Dimensional tolerance ±0.1mm for critical surfaces, flatness within 0.05mm, perpendicularity within 0.1°
test method
Magnetic properties tested per IEC 60404-2 using Epstein frame or single sheet tester, dimensional verification with CMM, surface inspection per ISO 8501

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制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of a magnetic yoke in permanent magnet assemblies?

The magnetic yoke serves two main functions: providing a low-reluctance path for magnetic flux to enhance field strength and uniformity, and offering mechanical support and alignment for permanent magnets within the assembly.

What materials are commonly used for manufacturing magnetic yokes?

Common materials include low-carbon steel, silicon steel (electrical steel), pure iron, soft magnetic composites, and nickel-iron alloys. Selection depends on required magnetic properties like permeability, saturation flux density, and core losses.

How does yoke design affect magnetic performance?

Yoke design significantly impacts magnetic circuit efficiency. Proper geometry minimizes flux leakage, reduces magnetic reluctance, and concentrates flux in target air gaps. Design factors include cross-sectional area, material thickness, and geometric configuration relative to magnet placement.

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CNFX Industrial Component Index · 电气设备制造

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URN:CNFX:ME:UNIT:MAGNETIC_YOKE_FRAME