行业组件数据 · 2026

层间绝缘

Thin insulating layer between stator laminations to prevent eddy currents and reduce core losses in electric motors.

技术定义与适配语境
典型 层间绝缘 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。

Interlamination insulation is a critical component in electric motor stator lamination stacks, consisting of thin insulating coatings or films applied between individual steel laminations. Its primary function is to electrically isolate each lamination to prevent the formation of circulating eddy currents within the stator core, which would otherwise cause significant energy losses, heat generation, and reduced motor efficiency. This insulation ensures optimal magnetic flux distribution while maintaining structural integrity under thermal and mechanical stresses during motor operation.

组件规格

定义
Interlamination insulation is a critical component in electric motor stator lamination stacks, consisting of thin insulating coatings or films applied between individual steel laminations. Its primary function is to electrically isolate each lamination to prevent the formation of circulating eddy currents within the stator core, which would otherwise cause significant energy losses, heat generation, and reduced motor efficiency. This insulation ensures optimal magnetic flux distribution while maintaining structural integrity under thermal and mechanical stresses during motor operation.
工作原理
Works by creating a high-resistance barrier between conductive steel laminations, blocking the path for eddy currents induced by alternating magnetic fields. This minimizes core losses (hysteresis and eddy current losses) and improves motor efficiency by allowing magnetic flux to pass through while preventing electrical conduction between layers.
材料
Typically composed of organic coatings (epoxypolyesterphenolic resins)inorganic coatings (phosphatechromate)or composite films. Common specifications include thermal class ratings (Class F: 155°CClass H: 180°C)dielectric strength (>100 V/μm)and thickness (2-10 μm).
Thickness
3-8 μm
Thermal Class
Class F (155°C)
Adhesion Strength
>10 MPa
Surface Resistance
>10^9 Ω
Dielectric Strength
>120 V/μm
Operating Temperature
-40°C to 180°C
标准
ISO 2178IEC 60034-18-21ASTM D149

行业分类与别名

层间绝缘 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

Overheating beyond thermal class rating->Insulation breakdown and shorting between laminations->Use higher thermal class materials and implement temperature monitoring
Poor coating application or contamination->Incomplete insulation coverage leading to localized eddy currents->Implement quality control with dielectric testing and visual inspection

工业生态与工程逻辑

0
Insulation degradation due to thermal cycling
1
Mechanical damage during assembly
2
Chemical corrosion from coolants

合规与检测

tolerance
Coating thickness ±1 μm, coverage >99%
test method
Dielectric strength test per IEC 60243, thermal cycling per IEC 60068-2-14

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

What happens if interlamination insulation fails?

Failure leads to increased eddy currents, causing higher core losses, overheating, reduced motor efficiency, and potential thermal damage to windings.

Can interlamination insulation be repaired?

No, damaged insulation typically requires replacement of affected laminations or the entire stator stack, as coatings cannot be reapplied in situ.

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初步技术归类
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URN:CNFX:ME:UNIT:INTERLAMINATION_INSULATION