行业组件数据 · 2026

翅片

Fins are extended surfaces attached to heating/cooling coils to enhance heat transfer efficiency by increasing surface area.

技术定义与适配语境
典型 翅片 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。

Fins are thin, plate-like or corrugated metallic components that are mechanically bonded or soldered to the tubes of heating/cooling coils. They function as extended surfaces that significantly amplify the effective heat transfer area, facilitating more efficient thermal exchange between the fluid inside the tubes and the surrounding air or gas. Their design directly impacts the coil's overall thermal performance, pressure drop, and compactness.

组件规格

定义
Fins are thin, plate-like or corrugated metallic components that are mechanically bonded or soldered to the tubes of heating/cooling coils. They function as extended surfaces that significantly amplify the effective heat transfer area, facilitating more efficient thermal exchange between the fluid inside the tubes and the surrounding air or gas. Their design directly impacts the coil's overall thermal performance, pressure drop, and compactness.
工作原理
Fins operate on the principle of extended surface heat transfer. By attaching to the primary heat transfer surface (the coil tubes), they increase the total area available for convective heat exchange with the ambient medium. This reduces the thermal resistance on the air/gas side, which is typically the limiting factor, thereby improving the overall heat transfer coefficient and efficiency of the coil assembly.
材料
Typically aluminum (for its high thermal conductivity and lightweight) or copper. May also be made from stainless steelcarbon steelor coated materials (e.g.hydrophilic coatings) for specific corrosion resistance or performance requirements in harsh environments.
Fin Type
Plate, Corrugated, Louvered, Wavy, Slit
Fin Pitch
1.2 mm to 5.0 mm
Fin Height
5 mm to 20 mm
Fin Thickness
0.1 mm to 0.3 mm
Tube Attachment Method
Mechanical expansion, Soldering, Epoxy bonding
标准
ISO 5149ISO 15012DIN EN 1886

行业分类与别名

翅片 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

Exposure to corrosive atmospheres (e.g., salt, chemicals) or galvanic corrosion.->Corrosion and pitting of fins, reducing heat transfer area and structural integrity.->Use corrosion-resistant materials (stainless steel, coated aluminum), apply protective coatings, implement regular inspection and cleaning schedules.
Accumulation of dust, dirt, or frost between fins.->Reduced airflow, increased pressure drop, and diminished heat transfer efficiency.->Design with adequate fin spacing, install air filters upstream, schedule periodic cleaning, use hydrophilic coatings to prevent water bridging.

工业生态与工程逻辑

0
Fin corrosion leading to reduced efficiency and coil failure
1
Fin blockage from dirt/debris increasing pressure drop
2
Mechanical damage (bending, crushing) during handling or operation
3
Poor fin-to-tube contact causing thermal resistance

合规与检测

tolerance
Fin pitch tolerance: ±0.2 mm; Fin flatness: within 0.5 mm over 100 mm length; Tube-to-fin contact: >85% surface contact for bonded types.
test method
Thermal performance tested per ASHRAE 33; Pressure drop tested per ISO 5801; Corrosion resistance tested per ASTM B117 (salt spray); Mechanical bond strength tested via pull-off test.

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 fins on a heating/cooling coil?

The primary function is to increase the surface area of the coil, which enhances the rate of heat transfer between the internal fluid (like refrigerant or water) and the external air or gas, making the system more efficient.

How does fin pitch affect coil performance?

A smaller fin pitch increases surface area and heat transfer but also raises air-side pressure drop and risk of fouling. A larger pitch reduces pressure drop and improves cleanability but decreases heat transfer efficiency. Selection balances thermal performance with airflow resistance.

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CNFX Industrial Component Index · 机械和设备制造

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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。

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URN:CNFX:ME:UNIT:FINS