行业组件数据 · 2026

联轴器或法兰

A mechanical device that connects two rotating shafts to transmit torque while accommodating misalignment.

技术定义与适配语境
典型 联轴器或法兰 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 coupling or flange is a precision-engineered component used in drive shafts and actuators to connect two separate rotating shafts, enabling the transmission of torque, speed, and rotational motion from a driving shaft to a driven shaft. It compensates for axial, radial, and angular misalignments between connected shafts, reduces vibration, and protects connected equipment from shock loads. In industrial applications, couplings can be rigid (for precise alignment) or flexible (to accommodate misalignment and dampen vibrations).

组件规格

定义
A coupling or flange is a precision-engineered component used in drive shafts and actuators to connect two separate rotating shafts, enabling the transmission of torque, speed, and rotational motion from a driving shaft to a driven shaft. It compensates for axial, radial, and angular misalignments between connected shafts, reduces vibration, and protects connected equipment from shock loads. In industrial applications, couplings can be rigid (for precise alignment) or flexible (to accommodate misalignment and dampen vibrations).
工作原理
Couplings operate by physically linking two shafts through mechanical elements such as hubs, sleeves, or flanges. Torque is transmitted via friction, shear, or positive engagement (e.g., gear teeth, elastomeric elements). Flexible couplings use elastic materials or mechanical clearances to absorb misalignment and dampen vibrations, while rigid couplings maintain a fixed connection for precise alignment. Flanges typically involve bolted connections with gaskets to ensure a sealed, rigid joint.
材料
Common materials include carbon steel (e.g.AISI 1045 for strength)stainless steel (e.g.304/316 for corrosion resistance)alloy steel (e.g.4140 for high torque)aluminum (for lightweight applications)and engineered polymers (e.g.polyurethane for flexible couplings). Coatings like zinc plating or powder coating may be applied for corrosion protection.
Backlash
0-0.2 mm (for precision couplings)
Max Speed
1000-10000 RPM
Torque Capacity
50-5000 Nm
Temperature Range
-40°C to 120°C
Bore Diameter Range
10-150 mm
Misalignment Tolerance
Axial: ±1-5 mm, Radial: ±0.5-3 mm, Angular: ±1-3 degrees
标准
ISO 9001ISO 14691DIN 740DIN 1151AGMA 9000

行业分类与别名

联轴器或法兰 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

Excessive misalignment beyond design limits->Accelerated wear, vibration, and eventual coupling fracture->Regular alignment checks using laser tools, install flexible couplings with higher misalignment tolerance
Overload or shock torque exceeding rated capacity->Shear of coupling elements or bolt failure in flanges->Use couplings with torque limiters or safety factors, implement load monitoring systems
Corrosion due to exposure to moisture or chemicals->Reduced structural integrity and seizure->Select corrosion-resistant materials (e.g., stainless steel), apply protective coatings, conduct routine inspections

工业生态与工程逻辑

0
Misalignment leading to premature wear and failure
1
Over-torque causing shear or fracture
2
Corrosion in harsh environments
3
Vibration-induced fatigue
4
Improper installation (e.g., incorrect bolt torque)

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, alignment tolerances within ±0.05 mm for precision applications
test method
Torque testing per ISO 14691, dynamic balance testing to ISO 1940-1, fatigue testing under cyclic loads, and corrosion resistance testing per ASTM B117

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 difference between a coupling and a flange?

A coupling is a device that connects two rotating shafts to transmit torque, often allowing for misalignment. A flange is a type of rigid coupling or connecting ring that bolts two shafts or pipes together, typically used for precise alignment and sealing in high-torque applications.

How do I select the right coupling for my application?

Consider torque requirements, shaft speed, misalignment types and tolerances, environmental conditions (e.g., temperature, corrosion), space constraints, and maintenance needs. Consult manufacturer specifications and standards like ISO 14691 for guidance.

What are common failure modes of couplings?

Common failures include wear from misalignment, fatigue cracking, corrosion, overheating due to excessive torque or speed, and bolt loosening in flanged connections. Regular inspection and alignment checks can mitigate these risks.

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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
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URN:CNFX:ME:UNIT:COUPLING_OR_FLANGE