行业组件数据 · 2026

转子叶片

Rotor blades are aerodynamic components in turbines and expanders that convert fluid energy into rotational mechanical energy.

技术定义与适配语境
典型 转子叶片 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Rotor blades are precision-engineered airfoil-shaped components mounted on rotating discs within turbine/expander sections. They extract kinetic energy from high-velocity fluid flow (steam, gas, or air) and convert it into rotational torque through aerodynamic lift and impulse principles. Their design directly impacts efficiency, power output, and operational stability of turbomachinery.

组件规格

定义
Rotor blades are precision-engineered airfoil-shaped components mounted on rotating discs within turbine/expander sections. They extract kinetic energy from high-velocity fluid flow (steam, gas, or air) and convert it into rotational torque through aerodynamic lift and impulse principles. Their design directly impacts efficiency, power output, and operational stability of turbomachinery.
工作原理
Rotor blades operate on aerodynamic principles where high-pressure fluid flows over the airfoil profile, creating pressure differentials that generate lift forces. These forces produce torque on the rotor shaft, converting fluid energy into mechanical rotation. Blade geometry (twist, chord, camber) is optimized for specific fluid dynamics and rotational speeds.
材料
High-temperature alloys (Inconel 718Titanium alloys)nickel-based superalloyscomposite materials (carbon fiber reinforced polymers for specific applications)with protective coatings (thermal barrier coatingserosion-resistant coatings).
Twist Angle
10-45 degrees
Aspect Ratio
2-10
Blade Length
50-1500 mm
Chord Length
20-300 mm
Rotational Speed
3000-20000 RPM
Surface Roughness
Ra < 0.8 μm
Operating Temperature
Up to 1500°C
标准
ISO 1217ISO 1940DIN 1940API 617

行业分类与别名

转子叶片 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

High-cycle fatigue from cyclic loading->Blade cracking or fracture->Implement fatigue-resistant materials, regular non-destructive testing, and vibration monitoring systems
Thermal stress from temperature gradients->Thermal fatigue and creep deformation->Use thermal barrier coatings, optimize cooling channels, and control operating temperature ranges
Erosion from particulate matter in fluid stream->Blade surface degradation and efficiency loss->Apply erosion-resistant coatings, install filtration systems, and conduct regular blade inspections

工业生态与工程逻辑

0
High-cycle fatigue failure
1
Thermal stress cracking
2
Erosion/corrosion damage
3
Resonance vibration
4
Foreign object damage

合规与检测

tolerance
Dimensional tolerance ±0.05 mm, balance tolerance G2.5 per ISO 1940, surface finish Ra < 0.8 μm
test method
Non-destructive testing (ultrasonic, dye penetrant), dynamic balancing tests, aerodynamic performance testing in wind tunnels, metallurgical analysis

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 is the primary function of rotor blades in turbines?

Rotor blades convert kinetic energy from high-velocity fluid (steam, gas, air) into rotational mechanical energy through aerodynamic forces, driving the turbine shaft.

What materials are commonly used for high-temperature rotor blades?

Nickel-based superalloys like Inconel and titanium alloys are standard for high-temperature applications, often with thermal barrier coatings for enhanced performance.

How do blade geometry variations affect turbine performance?

Blade twist, chord length, and camber optimize aerodynamic efficiency, pressure distribution, and energy conversion rates, directly impacting power output and operational stability.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:ROTOR_BLADES