行业组件数据 · 2026

枢轴销/衬套

A precision pivot pin and bushing assembly enabling smooth rotational movement in release mechanisms with minimal friction and wear.

技术定义与适配语境
典型 枢轴销/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。

The pivot pin/bushing is a critical mechanical component in release handle mechanisms, consisting of a hardened steel pin rotating within a low-friction bushing. This assembly provides a precise pivot point that allows controlled rotational movement while maintaining alignment, reducing wear through proper lubrication channels, and ensuring consistent operation over thousands of cycles. It serves as the fulcrum for mechanical advantage in release systems.

组件规格

定义
The pivot pin/bushing is a critical mechanical component in release handle mechanisms, consisting of a hardened steel pin rotating within a low-friction bushing. This assembly provides a precise pivot point that allows controlled rotational movement while maintaining alignment, reducing wear through proper lubrication channels, and ensuring consistent operation over thousands of cycles. It serves as the fulcrum for mechanical advantage in release systems.
工作原理
The pivot pin rotates within the bushing to create a low-friction bearing surface, converting linear force from the release handle into rotational motion. The bushing distributes load evenly across the pin surface while maintaining precise clearance tolerances to prevent binding or excessive play.
材料
Pin: Case-hardened steel (AISI 8620 or equivalentHRC 58-62)Bushing: Bronze alloy (SAE 660 or C93200) with graphite impregnation or PTFE-lined steel for self-lubricating properties.
Length
20-40 mm
Pin Diameter
8-12 mm
Bushing ID/OD
ID matches pin diameter +0.02-0.05 mm clearance, OD 12-18 mm
Load Capacity
500-2000 N radial load
Surface Finish
Pin: Ra 0.4 μm max, Bushing: Ra 0.8 μm max
Operating Temperature
-20°C to +120°C
标准
ISO 286-2DIN 1494ISO 4378-1

行业分类与别名

枢轴销/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 binding and eventual seizure->Implement automatic lubrication systems or use self-lubricating bushings; establish regular maintenance schedules
Contamination ingress->Abrasive wear and scoring of surfaces->Install protective seals or shields; use closed housing designs; implement clean environment protocols
Misalignment during installation->Uneven wear and premature failure->Use alignment fixtures during assembly; implement torque-controlled installation procedures; add alignment marks

工业生态与工程逻辑

0
Wear-induced clearance leading to mechanism slop
1
Corrosion in humid environments
2
Lubrication failure causing seizure
3
Improper installation causing misalignment

合规与检测

tolerance
Pin diameter: h6 tolerance, Bushing bore: H7 tolerance per ISO 286-2
test method
Radial play measured with dial indicator under 100N load; wear testing per ISO 4378-1 with 100,000 cycles at rated load

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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 lubrication is recommended for pivot pin/bushing assemblies?

Use lithium-based grease or synthetic lubricants compatible with both steel and bronze. For maintenance-free applications, self-lubricating bushings with graphite or PTFE impregnation are recommended.

How often should pivot pins and bushings be inspected?

Visual inspection every 500 operating hours, with dimensional checks every 2000 hours or during scheduled maintenance. Replace if wear exceeds 0.1 mm radial clearance or visible scoring is present.

Can pivot pins be used without bushings?

Not recommended. Direct metal-to-metal contact accelerates wear, increases friction, and can lead to galling. Bushings provide necessary wear surfaces and simplify replacement.

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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:PIVOT_PIN_BUSHING