行业组件数据 · 2026

定子铁芯

The stator core is the stationary magnetic component in electric motors and generators that houses windings to create electromagnetic fields.

技术定义与适配语境
典型 定子铁芯 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 stator core is a laminated steel structure that serves as the stationary part of rotating electrical machines. It provides a low-reluctance path for magnetic flux generated by stator windings, minimizing eddy current losses through thin insulated laminations. The core's slots hold copper or aluminum windings that, when energized, produce a rotating magnetic field to interact with the rotor.

组件规格

定义
The stator core is a laminated steel structure that serves as the stationary part of rotating electrical machines. It provides a low-reluctance path for magnetic flux generated by stator windings, minimizing eddy current losses through thin insulated laminations. The core's slots hold copper or aluminum windings that, when energized, produce a rotating magnetic field to interact with the rotor.
工作原理
The stator core operates on electromagnetic induction principles. When alternating current flows through windings in its slots, it creates a time-varying magnetic field. The laminated steel construction concentrates this magnetic flux while minimizing energy losses from eddy currents and hysteresis. This magnetic field interacts with the rotor to produce torque in motors or induce voltage in generators.
材料
Electrical steel laminations (silicon steelM19M36 grades)insulation coating (C-4C-5)varnish for bondingcopper/aluminum windingsend caps (aluminum/steel)
Core Loss
<2.5 W/kg at 1.5T, 50Hz
Slot Number
12-72
Stack Length
20-500 mm
Outer Diameter
50-1000 mm
Stacking Factor
0.95-0.97
Insulation Class
F (155°C) or H (180°C)
Lamination Thickness
0.35-0.65 mm
标准
IEC 60034IEEE 112ISO 8821DIN EN 50332

行业分类与别名

定子铁芯 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 insulation between laminations->Eddy current increase, overheating, reduced efficiency->Quality control of coating thickness, proper stacking pressure, varnish impregnation
Poor stacking alignment during assembly->Increased magnetic reluctance, vibration, noise->Precision stacking fixtures, alignment pins, visual inspection
Material impurities in electrical steel->Higher hysteresis losses, reduced magnetic permeability->Material certification, supplier quality audits, incoming inspection

工业生态与工程逻辑

0
Magnetic saturation reducing efficiency
1
Interlamination shorts causing hotspots
2
Core vibration leading to noise/fatigue
3
Improper alignment causing air gap issues
4
Corrosion in harsh environments

合规与检测

tolerance
±0.05 mm for outer diameter, ±0.1 mm for stack length, ±0.5° for slot angular position
test method
Core loss test (Epstein frame), insulation resistance test (megohmmeter), dimensional inspection (CMM), magnetic flux density measurement

制造该组件的工厂

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

Why are stator cores laminated instead of solid?

Laminations reduce eddy current losses by breaking up conductive paths. Thin insulated steel sheets minimize circulating currents induced by changing magnetic fields, improving efficiency.

What materials are used for stator core laminations?

Electrical steel (silicon steel) with 2-3.5% silicon content is standard. Grades like M19, M36, or M43 offer specific magnetic properties. Insulation coatings (C-4, C-5) prevent interlamination shorts.

How does stator core design affect motor performance?

Core geometry, slot design, and material quality directly impact efficiency, torque characteristics, cooling, and noise levels. Proper design minimizes magnetic saturation and losses.

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数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:STATOR_CORE