行业组件数据 · 2026

定子机壳/外壳

Stator frame/housing is the structural component that encloses and supports the stator core and windings in electric motors and generators.

技术定义与适配语境
典型 定子机壳/外壳 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 frame/housing is a critical structural component in electric machines that provides mechanical support, protection, and thermal management for the stator assembly. It houses the stator core (laminated steel stack) and windings, maintains proper alignment with the rotor, and often includes cooling features like fins or channels. The housing ensures electromagnetic integrity by containing magnetic flux and provides mounting interfaces for the entire motor assembly.

组件规格

定义
The stator frame/housing is a critical structural component in electric machines that provides mechanical support, protection, and thermal management for the stator assembly. It houses the stator core (laminated steel stack) and windings, maintains proper alignment with the rotor, and often includes cooling features like fins or channels. The housing ensures electromagnetic integrity by containing magnetic flux and provides mounting interfaces for the entire motor assembly.
工作原理
The stator housing functions as both a structural enclosure and thermal management system. It maintains precise concentricity between stator and rotor components to ensure optimal air gap consistency, which is critical for electromagnetic performance. The housing dissipates heat generated by electrical losses in the windings and core through conduction to the external environment, often enhanced by cooling fins or integrated cooling channels. It also provides vibration damping and protects internal components from environmental contaminants.
材料
Typically fabricated from cast iron (gray or ductile)aluminum alloysor steel. Cast iron offers excellent damping properties and dimensional stability. Aluminum provides superior thermal conductivity and lighter weight. Steel housings offer high strength for demanding applications. Materials must have good machinabilitythermal conductivityand structural rigidity.
Weight
Varies by material and size (typically 5-500 kg)
Frame Size
Standardized dimensions per IEC 60072
Mounting Type
Foot-mounted, flange-mounted, or face-mounted
Cooling Method
IC411 (fan-cooled) or IC416 (forced ventilation)
Surface Finish
Painted, powder-coated, or anodized
Insulation Class
Class F (155°C) or Class H (180°C)
Protection Class
IP54, IP55, or IP65 for environmental protection
标准
ISO 8821IEC 60034IEC 60072NEMA MG1

行业分类与别名

定子机壳/外壳 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

Inadequate cooling design->Overheating leading to insulation degradation->Implement thermal analysis during design, add cooling fins or channels, use materials with higher thermal conductivity
Material defects or improper casting->Cracks or porosity leading to structural failure->Implement rigorous quality control, use non-destructive testing (X-ray, ultrasonic), follow proper heat treatment procedures
Improper mounting or alignment->Bearing wear and electromagnetic imbalance->Use precision machining for mounting surfaces, implement alignment verification procedures, use vibration monitoring systems

工业生态与工程逻辑

0
Thermal stress cracking
1
Vibration-induced fatigue failure
2
Corrosion in harsh environments
3
Dimensional instability under thermal cycling
4
Electromagnetic interference if improperly shielded

合规与检测

tolerance
±0.1 mm for critical bore dimensions, ±0.5 mm for overall frame dimensions
test method
Dimensional verification using CMM, pressure testing for sealed units, thermal imaging for heat dissipation evaluation, vibration analysis for structural integrity

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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

What are the main differences between cast iron and aluminum stator housings?

Cast iron housings provide better vibration damping and dimensional stability, while aluminum housings offer superior heat dissipation and lighter weight. Cast iron is typically used in industrial applications requiring durability, while aluminum is preferred for applications where weight reduction and thermal management are critical.

How do cooling features integrate into stator housings?

Cooling is achieved through external fins that increase surface area for natural convection, integrated cooling channels for liquid cooling systems, or designed airflow paths for forced air cooling. The specific cooling method depends on the motor's power rating and application requirements.

What standards govern stator housing dimensions?

IEC 60072 and NEMA MG1 standards define frame sizes and mounting dimensions to ensure interchangeability between motors from different manufacturers. These standards specify critical dimensions like shaft height, mounting bolt patterns, and overall envelope dimensions.

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URN:CNFX:ME:UNIT:STATOR_FRAME_HOUSING