行业组件数据 · 2026

执行器杆/活塞

A precision linear motion component that converts hydraulic or pneumatic pressure into mechanical force for insertion operations in industrial machinery.

技术定义与适配语境
典型 执行器杆/活塞 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 actuator rod/piston is a critical linear motion component within insertion actuators, designed to translate hydraulic or pneumatic energy into controlled mechanical force. It consists of a cylindrical rod that moves linearly within a cylinder bore, sealed with appropriate rings to prevent fluid leakage. This component provides the precise force and stroke required for insertion operations in automated assembly systems, ensuring accurate positioning and repeatable performance.

组件规格

定义
The actuator rod/piston is a critical linear motion component within insertion actuators, designed to translate hydraulic or pneumatic energy into controlled mechanical force. It consists of a cylindrical rod that moves linearly within a cylinder bore, sealed with appropriate rings to prevent fluid leakage. This component provides the precise force and stroke required for insertion operations in automated assembly systems, ensuring accurate positioning and repeatable performance.
工作原理
Operates on the principle of fluid dynamics (hydraulic or pneumatic). Pressure differential across the piston creates linear force according to Pascal's law (F=P×A). The rod transmits this force to the external load while maintaining alignment through precision bearings or bushings.
材料
Typically manufactured from hardened alloy steel (AISI 4140/4340) or stainless steel (17-4PH) with surface treatments: chrome plating (15-30μm) for wear resistancenitriding for hardness (50-65 HRC). Sealing surfaces polished to Ra 0.2-0.4μm.
Diameter
10-100 mm
Hardness
50-65 HRC
Load Capacity
500-50000 N
Stroke Length
50-1000 mm
Surface Finish
Ra 0.2-0.4 μm
Operating Pressure
Up to 300 bar (hydraulic), 10 bar (pneumatic)
Straightness Tolerance
0.01 mm/100 mm
标准
ISO 6431ISO 15552DIN ISO 21287DIN 24554

行业分类与别名

执行器杆/活塞 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

Misalignment during installation->Premature seal wear and fluid leakage->Use alignment fixtures during assembly, verify parallelism within 0.05mm/100mm
Inadequate surface hardness->Scoring and galling of rod surface->Specify minimum hardness of 50 HRC with appropriate surface treatments
Corrosive environment exposure->Pitting and reduced fatigue life->Use stainless steel or apply corrosion-resistant coatings

工业生态与工程逻辑

0
Rod bending under off-center loads
1
Surface corrosion in humid environments
2
Seal wear leading to fluid leakage
3
Fatigue failure at thread roots

合规与检测

tolerance
Diameter: h8/h9, Straightness: 0.01mm/100mm, Surface finish: Ra 0.2-0.4μm
test method
Dimensional verification per ISO 1101, Hardness testing per ISO 6508, Pressure testing per ISO 19973

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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 actuator rods for hydraulic vs pneumatic systems?

Hydraulic rods are designed for higher pressures (up to 300 bar) with thicker cross-sections and specialized sealing, while pneumatic rods operate at lower pressures (typically 6-10 bar) with lighter construction and different seal materials.

How often should actuator rods be inspected for wear?

Visual inspection every 500 operating hours, dimensional measurement every 2000 hours or 6 months. Replace if wear exceeds 0.1mm diameter reduction or shows scoring deeper than 0.05mm.

Can actuator rods from different manufacturers be interchanged?

Only when dimensional specifications (ISO 6431/15552), mounting interfaces, and material properties match exactly. Always verify compatibility with cylinder bore and seal specifications.

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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:ACTUATOR_ROD_PISTON