行业组件数据 · 2026

转子导条/端环(鼠笼式)

Conductive elements forming the squirrel cage rotor in induction motors, enabling electromagnetic torque generation through induced currents.

技术定义与适配语境
典型 转子导条/端环(鼠笼式) 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。

Rotor bars and end rings constitute the squirrel cage assembly in induction motor rotors. The bars are embedded in rotor core slots and short-circuited at both ends by conductive end rings, forming a closed electrical circuit. When the rotating stator magnetic field cuts these conductors, it induces currents that create a secondary magnetic field, producing torque through electromagnetic interaction.

组件规格

定义
Rotor bars and end rings constitute the squirrel cage assembly in induction motor rotors. The bars are embedded in rotor core slots and short-circuited at both ends by conductive end rings, forming a closed electrical circuit. When the rotating stator magnetic field cuts these conductors, it induces currents that create a secondary magnetic field, producing torque through electromagnetic interaction.
工作原理
Operates on electromagnetic induction. The rotating stator magnetic field induces alternating currents in the rotor bars. These currents generate a magnetic field that interacts with the stator field, creating a torque that drives the rotor. The end rings provide low-resistance paths for current circulation, ensuring efficient operation.
材料
Typically aluminum alloy (ADC12A356) for die-cast designs or copper (C11000C10100) for fabricated high-efficiency motors. Aluminum offers lightweightcost-effective castingcopper provides higher conductivity and efficiency. End rings match bar material for thermal and electrical compatibility.
Insulation
None (bare conductor)
Resistance
0.5-5 mΩ per bar
Bar Cross-Section
Rectangular or trapezoidal
End Ring Diameter
50-500 mm
Operating Temperature
-40°C to 180°C
标准
ISO 8821IEC 60034NEMA MG 1

行业分类与别名

转子导条/端环(鼠笼式) 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

Thermal stress from frequent start-stop cycles->Fatigue cracking of rotor bars->Use ductile materials, implement soft-start controls, ensure proper cooling
Chemical exposure in corrosive atmospheres->End ring corrosion leading to increased resistance->Apply protective coatings, use corrosion-resistant alloys, control environment

工业生态与工程逻辑

0
Bar cracking due to thermal cycling
1
End ring corrosion in humid environments
2
Electromagnetic imbalance from manufacturing defects

合规与检测

tolerance
Bar dimensions ±0.1 mm, end ring concentricity within 0.05 mm TIR
test method
Electrical resistance testing, high-potential testing, thermal cycling tests per IEC 60034

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 rotor bars typically made of aluminum or copper?

Aluminum and copper offer high electrical conductivity with good mechanical properties. Aluminum is cost-effective for die-casting; copper provides superior efficiency in premium motors.

What happens if an end ring breaks?

A broken end ring disrupts the electrical circuit, causing unbalanced currents, reduced torque, overheating, and potential motor failure. Immediate replacement is required.

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