行业组件数据 · 2026

导向杆/衬套

Precision linear guidance component for spring assemblies and suspension systems that controls motion direction and reduces friction.

技术定义与适配语境
典型 导向杆/衬套 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

A mechanical assembly consisting of a hardened steel guide rod and matching bushing that provides precise linear motion control in spring assemblies and suspension systems. The rod maintains alignment while the bushing reduces friction and wear through low-friction materials or lubrication channels, ensuring smooth operation and preventing lateral deflection under load.

组件规格

定义
A mechanical assembly consisting of a hardened steel guide rod and matching bushing that provides precise linear motion control in spring assemblies and suspension systems. The rod maintains alignment while the bushing reduces friction and wear through low-friction materials or lubrication channels, ensuring smooth operation and preventing lateral deflection under load.
工作原理
The guide rod provides a rigid linear path for moving components, while the bushing acts as a bearing surface that minimizes friction through material properties (e.g., self-lubricating polymers) or lubrication systems. Together, they convert rotational or irregular forces into controlled linear motion while maintaining alignment and absorbing minor misalignments.
材料
Guide Rod: Case-hardened steel (AISI 4140/4340)stainless steel (304/316)or chrome-plated steel. Bushing: Bronze alloys (SAE 660)self-lubricating polymers (PTFEnylon composites)or sintered metals with oil impregnation.
Rod Diameter
8-50 mm
Load Capacity
5-200 kN
Surface Hardness
58-62 HRC (rod)
Temperature Range
-40°C to +120°C
Bushing ID Tolerance
H7/g6 fit
Friction Coefficient
0.05-0.15 (lubricated)
标准
ISO 286-2DIN 1494ISO 4378-1

行业分类与别名

导向杆/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 entering bushing interface->Abrasive wear and increased friction->Install protective seals or boots, use closed bushing designs, implement regular cleaning protocols
Inadequate lubrication->Metal-to-metal contact and accelerated wear->Specify self-lubricating materials, design automatic lubrication systems, establish maintenance schedules
Misalignment during installation->Binding and uneven load distribution->Use alignment fixtures during assembly, implement laser alignment checks, design self-aligning bushing housings

工业生态与工程逻辑

0
Wear-induced misalignment
1
Corrosion in harsh environments
2
Lubrication failure
3
Overload causing deformation
4
Improper installation leading to binding

合规与检测

tolerance
Rod straightness: ≤0.05 mm/300 mm, Diameter tolerance: h6/h7, Surface roughness: Ra 0.4-0.8 μm
test method
ISO 7905-1 (lubricated wear testing), DIN 1494 (dimensional standards), SAE J1139 (suspension component testing)

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 main purpose of guide rods and bushings in suspension systems?

They provide precise linear guidance for spring components, control motion direction, reduce friction, prevent lateral deflection, and extend system lifespan by minimizing wear.

How often should guide rod bushings be replaced?

Replacement intervals depend on operating conditions: typically 80,000-150,000 km in automotive applications or 2-5 years in industrial use, with signs including increased play, noise, or visible wear.

Can polymer bushings replace bronze bushings?

Yes, self-lubricating polymer bushings often replace bronze in applications requiring lower maintenance, corrosion resistance, or weight reduction, though load capacity and temperature limits must be verified.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 汽车制造

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: 导向杆/衬套

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 导向杆/衬套?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
密封灯泡
下一个组件
小齿轮
URN:CNFX:ME:UNIT:GUIDE_ROD_BUSHING