行业组件数据 · 2026

铰链销

A precision cylindrical pin that serves as the rotational axis in hinge assemblies, enabling controlled angular movement between connected machine parts.

技术定义与适配语境
典型 铰链销 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 hinge pin is a critical mechanical component designed as a cylindrical shaft that functions as the pivot point in hinge assemblies. It facilitates rotational motion between two or more connected parts while maintaining alignment and load-bearing capacity. In industrial applications, hinge pins are engineered to withstand shear forces, torsional stresses, and repetitive motion cycles while maintaining dimensional stability and wear resistance.

组件规格

定义
The hinge pin is a critical mechanical component designed as a cylindrical shaft that functions as the pivot point in hinge assemblies. It facilitates rotational motion between two or more connected parts while maintaining alignment and load-bearing capacity. In industrial applications, hinge pins are engineered to withstand shear forces, torsional stresses, and repetitive motion cycles while maintaining dimensional stability and wear resistance.
工作原理
The hinge pin operates on the principle of rotational kinematics, providing a fixed axis of rotation for connected components. It transfers loads through shear strength while minimizing friction through precise tolerances and surface finishes. The pin's cylindrical geometry distributes stress evenly, while retention mechanisms (such as cotter pins, clips, or threaded ends) prevent axial displacement during operation.
材料
Typically manufactured from alloy steels (AISI 41404340)stainless steels (304316)or case-hardened steels with surface treatments (chrome platingnitridingzinc coating). Material selection depends on load requirementscorrosion resistance needsand environmental conditions.
Length Range
20-200 mm
Straightness
0.05 mm per 100 mm
Shear Strength
400-800 MPa
Surface Finish
Ra 0.4-0.8 μm
Surface Hardness
45-55 HRC
Diameter Tolerance
±0.01 mm
标准
ISO 2338DIN 7ISO 8734DIN 6325

行业分类与别名

铰链销 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 shear strength for applied loads->Pin fracture during operation->Calculate maximum shear loads and select materials with appropriate strength margins; implement load monitoring systems
Inadequate lubrication or contamination->Accelerated wear and increased friction->Establish regular lubrication schedules; use sealed hinge assemblies; implement contamination control measures
Corrosive environment without protection->Surface pitting and diameter reduction->Specify corrosion-resistant materials or coatings; implement environmental controls; schedule regular inspections

工业生态与工程逻辑

0
Shear failure under excessive load
1
Wear-induced clearance increase
2
Corrosion in harsh environments
3
Fatigue cracking from cyclic stress
4
Improper installation causing misalignment

合规与检测

tolerance
ISO 2768-mK for general dimensions, ISO 286 for fit tolerances
test method
Shear testing per ASTM F606, hardness testing per ASTM E18, corrosion testing per ASTM B117, dimensional verification with CMM

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 hinge pin in industrial machinery?

The hinge pin serves as the rotational axis that enables controlled angular movement between connected machine components while maintaining alignment and transferring loads through shear strength.

How do I select the right hinge pin material for corrosive environments?

For corrosive environments, specify stainless steel (304 or 316 grade) or carbon steel with appropriate protective coatings (zinc, chrome, or polymer coatings) based on chemical exposure and temperature conditions.

What are common failure modes for hinge pins?

Common failures include shear fracture from overload, wear-induced diameter reduction, corrosion pitting, and fatigue cracking from cyclic loading. Proper material selection, lubrication, and preventive maintenance 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:HINGE_PIN