行业组件数据 · 2026

法兰面

Flange Face is the precision-machined mating surface of a coupling hub that ensures proper alignment and torque transmission between rotating shafts.

技术定义与适配语境
典型 法兰面 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。

The Flange Face is a critical component of a coupling hub, specifically the flat, perpendicular surface that interfaces with a corresponding flange on another shaft or coupling half. It is precisely machined to achieve required flatness and surface finish, ensuring uniform contact pressure distribution when bolted. This component facilitates the transfer of torque while maintaining shaft alignment, minimizing vibration, and preventing premature wear in mechanical power transmission systems.

组件规格

定义
The Flange Face is a critical component of a coupling hub, specifically the flat, perpendicular surface that interfaces with a corresponding flange on another shaft or coupling half. It is precisely machined to achieve required flatness and surface finish, ensuring uniform contact pressure distribution when bolted. This component facilitates the transfer of torque while maintaining shaft alignment, minimizing vibration, and preventing premature wear in mechanical power transmission systems.
工作原理
The Flange Face operates on the principle of creating a rigid, friction-based connection between two rotating elements. When bolted together under specified torque, the mating flange faces create a uniform clamping force that transmits rotational energy through shear stress across the interface. The precision surface ensures maximum contact area, distributing loads evenly to prevent stress concentration and maintain concentricity between connected shafts.
材料
Typically manufactured from medium-carbon steel (e.g.AISI 10454140) or alloy steeloften heat-treated to achieve hardness of 28-32 HRC. Corrosion-resistant applications may use stainless steel (304/316) or coated carbon steel. Material selection depends on torque requirementsenvironmental conditionsand compatibility with connected components.
Diameter Range
50-500 mm
Pilot Diameter
Optional for precise alignment
Surface Finish
Ra 3.2 μm or better
Bolt Hole Quantity
4-12 holes (evenly spaced)
Flatness Tolerance
0.05 mm maximum
Bolt Circle Diameter
Standardized per flange size
Maximum Torque Capacity
Varies by size and material
标准
ISO 9001DIN 7526AGMA 9002

行业分类与别名

法兰面 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

Insufficient bolt torque during assembly->Slippage between flange faces, resulting in lost torque transmission and potential catastrophic disconnection->Implement torque verification procedures using calibrated tools; use thread locking compounds where appropriate
Corrosion or contamination on mating surfaces->Reduced friction coefficient leading to slippage, or uneven contact causing vibration and accelerated wear->Apply protective coatings; implement cleaning protocols before assembly; use sealing compounds in corrosive environments
Exceeding design torque capacity->Plastic deformation of flange face, loss of flatness, and potential bolt failure->Install torque limiters or shear pins; conduct regular load monitoring; ensure proper component sizing for application

工业生态与工程逻辑

0
Improper bolt torque causing uneven loading
1
Surface damage from corrosion or impact
2
Misalignment during assembly
3
Fatigue failure from cyclic loading

合规与检测

tolerance
Flatness: ±0.05 mm; Parallelism: 0.1 mm per 100 mm diameter; Surface roughness: Ra ≤ 3.2 μm
test method
Surface plate inspection with feeler gauges; Coordinate measuring machine (CMM) verification; Surface roughness tester; Dye penetrant testing for cracks

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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 purpose of the pilot diameter on some flange faces?

The pilot diameter provides initial concentric alignment before bolting, ensuring proper mating and reducing assembly time. It helps prevent misalignment that could cause vibration or premature wear.

How does surface finish affect flange face performance?

A smoother surface finish (lower Ra value) improves contact uniformity, reduces fretting corrosion, and enhances torque transmission efficiency. However, excessively smooth surfaces may require higher bolt torque to achieve sufficient friction.

Can damaged flange faces be repaired?

Minor damage can sometimes be repaired by precision machining or lapping, but significant damage usually requires component replacement. Repair must maintain original flatness and dimensional specifications.

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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:FLANGE_FACE