行业组件数据 · 2026

轮缘

Wheel flange is a critical component that connects the wheel to the axle hub, ensuring secure mounting and proper alignment.

技术定义与适配语境
典型 轮缘 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

A wheel flange is a precisely machined metal component that forms the mounting interface between a vehicle's wheel and its axle hub assembly. It features a circular plate with multiple bolt holes arranged in a specific pattern (bolt circle diameter) that matches the hub's stud pattern. The flange provides a flat, perpendicular surface for the wheel to seat against, ensuring proper load distribution and preventing lateral runout. It incorporates a center bore that aligns with the hub's pilot diameter for accurate centering, and often includes features like raised pads or recesses to accommodate wheel balancing weights. The flange's thickness and material properties are engineered to withstand rotational forces, braking torque, and vertical loads while maintaining dimensional stability under thermal and mechanical stress.

组件规格

定义
A wheel flange is a precisely machined metal component that forms the mounting interface between a vehicle's wheel and its axle hub assembly. It features a circular plate with multiple bolt holes arranged in a specific pattern (bolt circle diameter) that matches the hub's stud pattern. The flange provides a flat, perpendicular surface for the wheel to seat against, ensuring proper load distribution and preventing lateral runout. It incorporates a center bore that aligns with the hub's pilot diameter for accurate centering, and often includes features like raised pads or recesses to accommodate wheel balancing weights. The flange's thickness and material properties are engineered to withstand rotational forces, braking torque, and vertical loads while maintaining dimensional stability under thermal and mechanical stress.
工作原理
The wheel flange operates on mechanical fastening and precision interface principles. When the wheel is mounted, the flange's bolt holes align with the hub studs, allowing lug nuts to clamp the wheel assembly securely. The center bore provides initial centering during installation, while the flat mounting surface ensures even contact pressure distribution. Under operation, the flange transmits driving torque from the hub to the wheel, resists braking forces, and supports vehicle weight through compressive loading. Its design minimizes stress concentrations and maintains wheel alignment by providing a stable reference plane perpendicular to the rotational axis.
材料
Typically manufactured from forged or cast steel alloys (SAE 10454140or similar grades) with yield strengths of 400-800 MPa. Aluminum alloys (6061-T67075-T6) are used in performance applications for weight reduction. Surface treatments include zinc platingpowder coatingor anodizing for corrosion resistance. Heat treatment processes (quenching and tempering) enhance hardness and fatigue resistance.
Thickness
12-25mm
Bolt Pattern
5x114.3mm, 6x139.7mm, etc.
Flange Diameter
150-250mm
Surface Hardness
HRC 25-40
Bolt Hole Diameter
14-20mm
Flatness Tolerance
≤0.1mm
Center Bore Diameter
66.1mm, 72.6mm, etc.
标准
ISO 4107ISO 7119-1DIN 743SAE J175

行业分类与别名

轮缘 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

Over-torquing lug nuts during installation->Bolt hole deformation or cracking->Use calibrated torque wrenches and follow manufacturer specifications; implement torque verification procedures
Corrosive environment without proper protection->Material thinning and reduced load capacity->Apply corrosion-resistant coatings; implement regular inspection schedules; use stainless steel components in severe environments
Manufacturing imperfections in heat treatment->Reduced fatigue strength leading to crack propagation->Implement strict quality control on material certification and heat treatment processes; conduct periodic destructive testing

工业生态与工程逻辑

0
Improper installation causing wheel detachment
1
Corrosion leading to weakened structural integrity
2
Fatigue cracking from cyclic loading
3
Improper torque causing bolt failure
4
Manufacturing defects creating stress concentrations

合规与检测

tolerance
Bolt hole position: ±0.1mm; Flatness: 0.1mm maximum deviation; Center bore diameter: H7 tolerance; Surface roughness: Ra 3.2μm maximum
test method
Dimensional verification using CMM; Torque-to-yield testing; Salt spray testing per ASTM B117; Fatigue testing per SAE J328; Hardness testing per ASTM E18

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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 center bore in a wheel flange?

The center bore provides precise initial centering of the wheel on the hub, ensuring even load distribution and reducing stress on the lug nuts. Proper centering prevents vibration and improves wheel balance.

Can wheel flanges be interchanged between different vehicle models?

No, wheel flanges are vehicle-specific due to variations in bolt patterns, center bore diameters, offset requirements, and load ratings. Using incorrect flanges can cause improper wheel seating, vibration, and safety hazards.

How do I identify a damaged wheel flange?

Look for visible cracks, warping, stripped bolt threads, excessive corrosion, or scoring on the mounting surface. Vibration during driving or difficulty achieving proper wheel torque may indicate flange issues.

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CNFX Industrial Component Index · 汽车制造

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URN:CNFX:ME:UNIT:WHEEL_FLANGE