行业组件数据 · 2026

枢轴衬套

A precision bushing that enables smooth rotational movement in actuator and lever mechanisms while maintaining alignment and reducing friction.

技术定义与适配语境
典型 枢轴衬套 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 pivot bushing is a cylindrical mechanical component designed to facilitate controlled rotational movement between two connected parts, typically in actuator and lever systems. It serves as an interface between a rotating shaft and a stationary housing, providing precise alignment, reducing friction through bearing surfaces, and absorbing radial loads. This component ensures smooth articulation while maintaining structural integrity under operational stresses.

组件规格

定义
A pivot bushing is a cylindrical mechanical component designed to facilitate controlled rotational movement between two connected parts, typically in actuator and lever systems. It serves as an interface between a rotating shaft and a stationary housing, providing precise alignment, reducing friction through bearing surfaces, and absorbing radial loads. This component ensures smooth articulation while maintaining structural integrity under operational stresses.
工作原理
The pivot bushing operates on the principle of providing a low-friction rotational interface. It allows a shaft or pin to rotate within a stationary housing by distributing loads across its bearing surface, minimizing wear through material selection and lubrication. The bushing maintains precise clearance between moving parts, preventing misalignment and ensuring consistent motion transfer in mechanical linkages.
材料
Typically manufactured from bronze alloys (C93200/C93700)sintered metals with oil impregnationpolymer composites (PTFEnylon)or hardened steel with surface treatments. Material selection depends on load capacityspeedlubrication requirementsand environmental conditions.
Length
10-80 mm
Clearance
0.02-0.1 mm
Load Capacity
Up to 5000 N radial
Inner Diameter
5-50 mm
Outer Diameter
8-60 mm
Surface Finish
Ra 0.4-1.6 μm
Temperature Range
-40°C to 200°C
标准
ISO 3547DIN 1494ISO 4379

行业分类与别名

枢轴衬套 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 lubrication->Increased friction leading to overheating and seizure->Implement regular lubrication schedules and use self-lubricating materials
Excessive radial load->Deformation and premature wear->Proper sizing calculations and installation of load monitoring systems
Contamination ingress->Abrasive wear and surface damage->Install protective seals and implement regular cleaning protocols

工业生态与工程逻辑

0
Wear and tear leading to increased clearance
1
Misalignment causing uneven load distribution
2
Lubrication failure resulting in seizure
3
Material fatigue under cyclic loading

合规与检测

tolerance
ISO 286-2:2010 for dimensional tolerances, typically IT7-IT9 grade
test method
ISO 4378-1 for friction and wear testing, ASTM D3702 for wear rate measurement

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 a pivot bushing?

The primary function is to provide a smooth rotational interface between moving parts while maintaining alignment, reducing friction, and absorbing radial loads in mechanical systems.

How often should pivot bushings be replaced?

Replacement intervals depend on operating conditions, but typically range from 6-24 months. Signs of wear include increased play, noise, or visible deformation.

Can pivot bushings be used in high-temperature applications?

Yes, when manufactured from appropriate materials like bronze alloys or specialized polymers that can withstand temperatures up to 200°C.

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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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请求制造能力信息: 枢轴衬套

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URN:CNFX:ME:UNIT:PIVOT_BUSHING