行业组件数据 · 2026

风扇叶片

Aerodynamic component that rotates to move air in ventilation systems

技术定义与适配语境
典型 风扇叶片 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。

A precision-engineered rotating component designed to convert rotational energy into airflow through aerodynamic principles. In industrial ventilation fans, blades are carefully shaped and balanced to maximize air displacement efficiency while minimizing turbulence, noise, and energy consumption. The blade's geometry, including pitch, chord length, and airfoil profile, determines the fan's performance characteristics including flow rate, pressure generation, and operating efficiency.

组件规格

定义
A precision-engineered rotating component designed to convert rotational energy into airflow through aerodynamic principles. In industrial ventilation fans, blades are carefully shaped and balanced to maximize air displacement efficiency while minimizing turbulence, noise, and energy consumption. The blade's geometry, including pitch, chord length, and airfoil profile, determines the fan's performance characteristics including flow rate, pressure generation, and operating efficiency.
工作原理
Operates on aerodynamic lift and drag principles. As the blade rotates, its airfoil-shaped cross-section creates a pressure differential between the concave (pressure) side and convex (suction) side. This pressure difference generates lift force perpendicular to the airflow direction, propelling air axially or centrifugally depending on fan design. The blade's angle of attack and rotational speed determine the volume and pressure of air moved.
材料
Typically aluminum alloys (6061-T67075-T6) for balance of strength and weightstainless steel (304316) for corrosive environmentsengineered plastics (glass-filled nylonpolycarbonate) for lightweight applicationsor composite materials (carbon fiber reinforced polymer) for high-performance requirements. Material selection depends on operating environmentrotational speedsand durability requirements.
Diameter
300-2000 mm
Pitch Angle
15-45 degrees
Balance Grade
G6.3 per ISO 1940
Surface Finish
Ra 3.2 μm or better
Static Pressure
100-2500 Pa
Airflow Capacity
1000-50000 m³/h
Number of Blades
3-12
Rotational Speed
500-3000 RPM
标准
ISO 5801ISO 13347AMCA 210DIN 24163

行业分类与别名

风扇叶片 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

Material fatigue from cyclic stress->Crack propagation leading to blade fracture->Regular non-destructive testing, proper material selection, stress analysis during design
Imbalance due to material buildup or damage->Excessive vibration damaging bearings and structure->Regular cleaning, dynamic balancing, vibration monitoring systems
Corrosion in humid or chemical environments->Material degradation reducing strength and changing aerodynamic properties->Corrosion-resistant materials, protective coatings, environmental controls

工业生态与工程逻辑

0
Imbalance causing vibration and bearing failure
1
Fatigue cracking from cyclic loading
2
Corrosion in harsh environments
3
Foreign object damage
4
Resonance at critical speeds

合规与检测

tolerance
±0.5 mm on critical dimensions, angular tolerance ±0.5 degrees, balance tolerance per ISO 1940 G6.3
test method
Dynamic balancing per ISO 1940, airflow performance testing per ISO 5801, material certification per ASTM standards, non-destructive testing for defects

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 factors affect fan blade efficiency?

Blade efficiency is determined by airfoil design, surface finish, material stiffness, balance precision, and installation alignment. Proper maintenance including regular cleaning and balancing is crucial for maintaining efficiency.

How often should fan blades be inspected?

Industrial fan blades should be visually inspected monthly for damage or buildup, with detailed inspection including balance checks every 6-12 months depending on operating hours and environment.

Can damaged fan blades be repaired?

Minor damage to blade edges can sometimes be repaired by grinding and rebalancing, but significant damage, cracks, or deformation typically requires replacement to maintain safety and performance.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 风扇叶片

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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