行业组件数据 · 2026

轭铁

A yoke is the stationary magnetic core component in electromagnetic relays that completes the magnetic circuit and provides structural support.

技术定义与适配语境
典型 轭铁 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 yoke is a ferromagnetic component in electromagnetic relays that serves as the stationary part of the magnetic circuit. It connects the electromagnet core to the armature, providing a low-reluctance path for magnetic flux. This component ensures efficient magnetic field transfer, structural stability, and proper alignment of moving parts within the relay assembly.

组件规格

定义
The yoke is a ferromagnetic component in electromagnetic relays that serves as the stationary part of the magnetic circuit. It connects the electromagnet core to the armature, providing a low-reluctance path for magnetic flux. This component ensures efficient magnetic field transfer, structural stability, and proper alignment of moving parts within the relay assembly.
工作原理
When the relay coil is energized, it creates a magnetic field that flows through the yoke, completing the magnetic circuit between the electromagnet and armature. The yoke's ferromagnetic material concentrates and directs this magnetic flux, creating sufficient magnetic force to attract the armature and close or open electrical contacts.
材料
Low-carbon electrical steel (typically 10081010 grades)silicon steel (M-19M-22)or soft magnetic composites. Material thickness: 0.5-2.0mm. Surface treatment: zinc platingnickel platingor phosphate coating for corrosion resistance.
Flatness
≤0.05mm
Coercivity
≤80 A/m
Surface Roughness
Ra 1.6-3.2 μm
Dimensions Tolerance
±0.1mm
Magnetic Permeability
≥2000 μr
Electrical Resistivity
20-50 μΩ·cm
Saturation Flux Density
1.5-2.0 T
标准
ISO 9001IEC 61810-1DIN EN 61810-1

行业分类与别名

轭铁 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

Material impurities or improper heat treatment->Reduced magnetic permeability and increased hysteresis loss->Implement material certification and controlled annealing processes
Poor surface finish or coating defects->Corrosion leading to increased magnetic reluctance->Apply proper protective coatings and implement quality inspection
Dimensional inaccuracies in manufacturing->Air gaps causing flux leakage and reduced magnetic force->Maintain tight tolerances and implement precision machining

工业生态与工程逻辑

0
Magnetic saturation leading to reduced efficiency
1
Corrosion affecting magnetic properties
2
Mechanical deformation causing misalignment
3
Residual magnetism affecting release time

合规与检测

tolerance
±0.1mm for critical dimensions, ±0.05mm for mating surfaces
test method
Magnetic flux density measurement using gaussmeter, dimensional verification with CMM, coating thickness measurement per ISO 2178

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来自 CNFX 组件能力表的相关制造商资料。

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 yoke in an electromagnetic relay?

The yoke completes the magnetic circuit between the electromagnet and armature, providing a low-reluctance path for magnetic flux to ensure efficient operation and structural stability.

Why is electrical steel commonly used for yoke manufacturing?

Electrical steel offers high magnetic permeability, low hysteresis loss, and good mechanical strength, making it ideal for efficient magnetic flux conduction while maintaining structural integrity.

How does yoke design affect relay performance?

Proper yoke design minimizes magnetic reluctance, reduces flux leakage, ensures precise armature alignment, and affects response time, holding force, and overall relay efficiency.

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CNFX Industrial Component Index · 电气设备制造

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初步技术归类
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URN:CNFX:ME:UNIT:YOKE