行业组件数据 · 2026

铁芯叠片

Core lamination is a precision-stacked assembly of thin steel sheets used in stator/sensor heads to reduce eddy current losses and improve electromagnetic efficiency.

技术定义与适配语境
典型 铁芯叠片 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。

Core lamination refers to the process of assembling multiple thin, insulated steel laminations into a solid core structure for electromagnetic applications. In stator/sensor heads, these laminations are precisely stacked and bonded to form the magnetic circuit, minimizing eddy currents that cause energy loss and heat generation. The laminations are typically coated with insulating materials and arranged to optimize magnetic flux paths while maintaining structural integrity under operational stresses.

组件规格

定义
Core lamination refers to the process of assembling multiple thin, insulated steel laminations into a solid core structure for electromagnetic applications. In stator/sensor heads, these laminations are precisely stacked and bonded to form the magnetic circuit, minimizing eddy currents that cause energy loss and heat generation. The laminations are typically coated with insulating materials and arranged to optimize magnetic flux paths while maintaining structural integrity under operational stresses.
工作原理
Core laminations work by reducing eddy currents through electrical insulation between thin steel sheets. When alternating magnetic fields pass through the core, induced currents are confined to individual laminations due to the insulating layers, significantly lowering energy losses compared to solid cores. This improves efficiency, reduces heating, and enhances the performance of electromagnetic devices like motors and sensors.
材料
Electrical steel (silicon steelgrades like M-19M-36or non-oriented grades)typically 0.2mm to 0.5mm thickwith insulation coatings (e.g.C-4C-5 phosphateor organic coatings).
Core Loss
< 2.5 W/kg at 1.5T, 50Hz
Thickness
0.2mm - 0.5mm
Permeability
> 1500 H/m
Stacking Factor
0.95 - 0.98
Flatness Tolerance
±0.05 mm
Insulation Resistance
> 100 MΩ
标准
ISO 683-17IEC 60404-8-7DIN EN 10106

行业分类与别名

铁芯叠片 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

Poor insulation coating application->Increased eddy current losses and overheating->Implement quality control for coating thickness and uniformity, use standardized testing (e.g., insulation resistance checks)
Inaccurate stacking alignment->Reduced magnetic efficiency and mechanical instability->Use precision stacking fixtures and automated alignment systems, conduct regular dimensional inspections
Material impurities in electrical steel->Higher core loss and degraded electromagnetic properties->Source materials from certified suppliers, perform material testing per ISO/IEC standards

工业生态与工程逻辑

0
Insulation breakdown leading to increased eddy currents
1
Mechanical deformation during stacking
2
Corrosion if coatings are compromised
3
Thermal stress causing delamination

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, flatness within ±0.05mm, stacking alignment within ±0.1mm
test method
Core loss testing per IEC 60404-2, insulation resistance per ASTM D257, dimensional checks via CMM or optical measurement

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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 core laminations used instead of solid cores?

Core laminations reduce eddy current losses by insulating individual steel sheets, which confines induced currents and minimizes energy dissipation as heat, improving efficiency and thermal management.

What materials are commonly used for core laminations?

Electrical steel (silicon steel) is standard, with insulation coatings like phosphate or organic layers to prevent electrical contact between laminations.

How does stacking factor affect core lamination performance?

A higher stacking factor (closer to 1) indicates better material utilization and denser magnetic flux paths, enhancing electromagnetic performance but requiring precise manufacturing to maintain insulation integrity.

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URN:CNFX:ME:UNIT:CORE_LAMINATION