行业组件数据 · 2026

锁紧套筒

A precision locking sleeve used in mechanical assemblies to secure rotating shafts or components in female machine halves.

技术定义与适配语境
典型 锁紧套筒 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 cylindrical mechanical component designed to provide secure axial and radial locking between a shaft and a female housing or machine half. It typically features a tapered or split design that creates interference fit when compressed, preventing relative movement through friction and mechanical engagement. Used in power transmission systems, coupling assemblies, and precision machinery where reliable torque transmission and alignment are critical.

组件规格

定义
A cylindrical mechanical component designed to provide secure axial and radial locking between a shaft and a female housing or machine half. It typically features a tapered or split design that creates interference fit when compressed, preventing relative movement through friction and mechanical engagement. Used in power transmission systems, coupling assemblies, and precision machinery where reliable torque transmission and alignment are critical.
工作原理
Works on the principle of mechanical interference and friction locking. When installed, the sleeve is compressed radially (often via tightening bolts or hydraulic pressure), causing it to grip both the internal shaft and external housing simultaneously. This creates a rigid connection without requiring keyways or splines, allowing for easy assembly/disassembly while maintaining high torque capacity and concentricity.
材料
Typically manufactured from alloy steels (e.g.42CrMo434CrNiMo6) or stainless steels (e.g.AISI 304316) with surface treatments like nitridinghardening (HRC 45-55)or zinc plating for corrosion resistance. High-precision applications may use bearing steels or specialized alloys.
Taper Ratio
1:10 to 1:30
Surface Finish
Ra 1.6-3.2 μm
Torque Capacity
Up to 5000 Nm
Runout Tolerance
<0.02 mm
Bore Diameter Range
10-200 mm
Operating Temperature
-40°C to +120°C
标准
ISO 12132DIN 6885ISO 286-2

行业分类与别名

锁紧套筒 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 tightening torque->Shaft slippage under load->Use calibrated torque wrenches, follow manufacturer specifications, implement torque verification procedures
Contamination on mating surfaces->Reduced friction coefficient and holding power->Thorough cleaning before assembly, use protective caps during storage, maintain clean work environment
Material fatigue from cyclic loading->Crack propagation and sudden failure->Regular inspection schedules, load monitoring, replacement at recommended intervals, use of fatigue-resistant materials

工业生态与工程逻辑

0
Improper installation causing slippage
1
Over-torquing leading to sleeve deformation
2
Corrosion in harsh environments
3
Fatigue failure under cyclic loading
4
Thermal expansion mismatch

合规与检测

tolerance
ISO IT6/IT7 for bore, concentricity within 0.02 mm TIR, surface hardness HRC 45-55
test method
Torque testing per ISO 12132, dimensional verification with CMM, material certification to EN 10204-3.1, fatigue testing under cyclic loads

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 are the main advantages of using locking sleeves over traditional keyed connections?

Locking sleeves provide zero-backlash connection, higher torque transmission, easier installation/removal, better concentricity, and eliminate stress concentrations from keyways.

How do you properly install a locking sleeve?

Clean all surfaces, align components precisely, insert sleeve, tighten bolts gradually in cross pattern to specified torque, and verify runout. Never hammer or force installation.

Can locking sleeves be reused?

Yes, most high-quality locking sleeves can be reused multiple times if undamaged, though inspection for wear, deformation, or surface damage is recommended before reinstallation.

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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
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 锁紧套筒

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URN:CNFX:ME:UNIT:LOCKING_SLEEVE