行业组件数据 · 2026

锁定销

A precision-engineered locking pin used in brake and locking mechanisms to secure moving parts in position.

技术定义与适配语境
典型 锁定销 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。

A locking pin is a cylindrical mechanical component designed to engage with mating holes or slots in machine parts to prevent relative movement. In brake and locking mechanisms, it serves as a positive locking device that maintains components in a fixed position during operation, ensuring safety and operational reliability. These pins typically feature chamfered ends for easy insertion and may include retention features like grooves for circlips or spring-loaded detents.

组件规格

定义
A locking pin is a cylindrical mechanical component designed to engage with mating holes or slots in machine parts to prevent relative movement. In brake and locking mechanisms, it serves as a positive locking device that maintains components in a fixed position during operation, ensuring safety and operational reliability. These pins typically feature chamfered ends for easy insertion and may include retention features like grooves for circlips or spring-loaded detents.
工作原理
The locking pin operates on the principle of positive mechanical interference. When inserted into aligned holes in two or more components, it physically blocks relative motion by filling the clearance space. In brake mechanisms, it often engages with a rotor or lever to lock the system in a disengaged or engaged position. Some designs incorporate spring-loaded balls or detents that snap into place, providing tactile feedback and preventing accidental dislodgement.
材料
Typically made from alloy steels (e.g.AISI 41404340) for strength and wear resistanceoften heat-treated to HRC 28-35. Corrosion-resistant versions use stainless steels (e.g.304316) or coatings like zinc platingblack oxideor phosphate. High-performance applications may use titanium alloys or case-hardened steels.
Length
10mm to 150mm
Diameter
3mm to 25mm (common range)
Hardness
28-35 HRC (core), 45-50 HRC (case for hardened versions)
Tolerance
h6 or h7
Load Capacity
Shear strength 400-800 MPa depending on material
Surface Finish
Ra 1.6μm or better
标准
ISO 8734DIN 6325ISO 13337ANSI B18.8.2

行业分类与别名

锁定销 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

Excessive shear load beyond design limits->Pin shears, causing mechanism unlock->Implement load monitoring, use higher grade materials, regular inspection
Corrosion in humid environments->Pin seizes in bore, preventing operation->Use corrosion-resistant materials/coatings, regular maintenance, environmental controls
Wear from frequent engagement/disengagement->Increased clearance causes unreliable locking->Use hardened materials, implement wear indicators, establish replacement schedules

工业生态与工程逻辑

0
Shear failure under overload
1
Corrosion leading to seizure
2
Wear causing loosening
3
Improper installation
4
Fatigue failure from cyclic loading

合规与检测

tolerance
Diameter tolerance typically h6 (ISO 286), length tolerance ±0.5mm
test method
Shear testing per ASTM F606, hardness testing per ASTM E18, dimensional inspection per ISO 2768

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 locking pin and a cotter pin?

Locking pins provide positive locking through precise dimensional fit and often include retention features, while cotter pins are flexible fasteners that secure by deformation. Locking pins offer higher precision and reliability in critical applications.

How do I select the right locking pin material?

Consider load requirements (shear strength), environmental conditions (corrosion resistance), wear characteristics, and compatibility with mating parts. Alloy steels are common for general use, stainless for corrosive environments, and hardened steels for high-wear applications.

What maintenance do locking pins require?

Regular inspection for wear, corrosion, and deformation. Lubrication may be needed depending on application. Replace pins showing significant wear or damage to maintain safety margins.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:LOCKING_PIN