行业组件数据 · 2026

导轨/衬套

Precision linear guidance components for height adjustment mechanisms in industrial machinery.

技术定义与适配语境
典型 导轨/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。

Guide rails and bushings are paired linear motion components that provide controlled, low-friction vertical movement in height adjustment systems. Guide rails are rigid tracks that establish the movement path, while bushings (also called linear bearings) slide along these rails with rolling elements (balls or rollers) to minimize friction and maintain precise alignment under load.

组件规格

定义
Guide rails and bushings are paired linear motion components that provide controlled, low-friction vertical movement in height adjustment systems. Guide rails are rigid tracks that establish the movement path, while bushings (also called linear bearings) slide along these rails with rolling elements (balls or rollers) to minimize friction and maintain precise alignment under load.
工作原理
Guide rails provide a hardened, precision-ground linear pathway. Bushings contain recirculating rolling elements (balls or rollers) that roll between the bushing's internal raceways and the rail's running surfaces, converting sliding friction into rolling friction to enable smooth, accurate linear motion with minimal resistance and wear.
材料
Guide rails: Typically hardened steel (AISI 52100440Cor induction-hardened carbon steel) with hardness 58-62 HRC. Bushings: Outer housing made of steel or aluminum alloyrolling elements from chrome steel or ceramicseals from synthetic rubber or polyurethane.
Preload
Zero, Light, Medium
Lubrication
Grease or oil, re-lubrication intervals 1000-5000 km
Load Capacity
Dynamic: 500-5000 N, Static: 1000-10000 N
Accuracy Grade
Normal (N), Precision (P), High Precision (HP)
Operating Temperature
-30°C to +120°C
标准
ISO 14728-1DIN 645

行业分类与别名

导轨/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

Contamination from dust, chips, or moisture->Increased friction, scoring of rail surfaces, premature wear->Install protective seals, implement regular cleaning protocols, use appropriate environmental enclosures
Improper installation or misalignment->Binding, uneven load distribution, reduced accuracy->Follow precise installation procedures, use alignment tools, verify parallelism and flatness
Inadequate or incorrect lubrication->Increased friction, overheating, accelerated wear->Follow manufacturer lubrication recommendations, establish maintenance schedules, use compatible lubricants

工业生态与工程逻辑

0
Contamination leading to premature wear
1
Improper alignment causing binding or uneven wear
2
Insufficient lubrication resulting in increased friction and heat generation
3
Overloading beyond rated capacity causing permanent deformation

合规与检测

tolerance
Running parallelism: ≤0.01 mm/300 mm, Height variation: ≤0.005 mm
test method
ISO 230-1 for geometric accuracy testing, load testing per manufacturer specifications, vibration analysis for smoothness assessment

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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 is the difference between guide rails with ball bushings and roller bushings?

Ball bushings offer lower friction and higher speed capability but lower load capacity; roller bushings provide higher load capacity and rigidity but may have slightly higher friction and lower maximum speed.

How often should guide rails and bushings be lubricated?

Lubrication intervals depend on operating conditions: typically every 1000-5000 km of travel or 3-6 months in continuous operation. Consult manufacturer specifications for exact intervals.

Can guide rails and bushings be used in vertical applications?

Yes, they are commonly used in vertical height adjustment mechanisms. Proper preload and lubrication are critical to prevent settling and ensure smooth operation.

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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: 导轨/衬套

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URN:CNFX:ME:UNIT:GUIDE_RAILS_BUSHINGS