行业组件数据 · 2026

气缸体

The cylinder body is the main structural housing of a damping cylinder that contains the piston and hydraulic fluid, providing pressure containment and mounting interface.

技术定义与适配语境
典型 气缸体 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 cylinder body in a damping cylinder is a precision-engineered tubular housing typically made from high-strength materials like steel or aluminum alloys. It serves as the primary pressure vessel that contains hydraulic fluid and guides the piston's linear motion. The body features precisely machined inner surfaces (bore) with specific surface finishes to minimize friction and ensure proper sealing with piston rings or seals. It includes threaded ports for fluid connections, mounting brackets or flanges for installation, and often incorporates cooling fins or channels for thermal management. The cylinder body must maintain structural integrity under cyclic pressure loads while providing accurate alignment for the piston rod.

组件规格

定义
A cylinder body in a damping cylinder is a precision-engineered tubular housing typically made from high-strength materials like steel or aluminum alloys. It serves as the primary pressure vessel that contains hydraulic fluid and guides the piston's linear motion. The body features precisely machined inner surfaces (bore) with specific surface finishes to minimize friction and ensure proper sealing with piston rings or seals. It includes threaded ports for fluid connections, mounting brackets or flanges for installation, and often incorporates cooling fins or channels for thermal management. The cylinder body must maintain structural integrity under cyclic pressure loads while providing accurate alignment for the piston rod.
工作原理
The cylinder body operates as a sealed pressure chamber where hydraulic fluid is contained. When pressurized fluid enters through inlet ports, it creates force against the piston inside the body, converting hydraulic energy into linear mechanical motion. The body's precisely machined interior surface guides the piston while maintaining pressure integrity through sealing systems. In damping applications, the body contains specialized valves or orifices that control fluid flow to create controlled resistance to motion.
材料
Common materials include: 1. Carbon steel (ASTM A36AISI 1045) for high-pressure applications2. Stainless steel (304316) for corrosive environments3. Aluminum alloys (6061-T67075) for weight-sensitive applications4. Brass or bronze for specific fluid compatibility. Materials are selected based on pressure rating (typically 150-3000 PSI)corrosion resistanceweight requirementsand cost considerations.
Port Size
1/8" to 1" NPT or SAE
Bore Diameter
25-200 mm
Stroke Length
50-1000 mm
Mounting Style
Foot, Flange, Trunnion, Clevis
Surface Finish
Ra 0.4-1.6 μm
Pressure Rating
150-3000 PSI
Operating Temperature
-20°C to 120°C
标准
ISO 6020ISO 6022DIN 24554DIN 24334NFPA T3.6.7

行业分类与别名

气缸体 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

Contaminated hydraulic fluid->Abrasive wear and scoring of internal bore surface->Implement proper filtration (10 micron or better), regular fluid analysis, and use of wear-resistant coatings
Improper mounting alignment->Side loading causing premature seal wear and rod bending->Use flexible mounting couplings, ensure proper alignment during installation, and incorporate guide bearings
Cyclic pressure exceeding design limits->Fatigue cracking near port connections or mounting points->Incorporate pressure relief valves, design with adequate safety factor (minimum 4:1), and conduct regular pressure testing

工业生态与工程逻辑

0
Internal corrosion from contaminated fluid
1
Bore scoring from particulate contamination
2
Fatigue cracking at stress concentration points
3
Thread damage at port connections
4
Thermal expansion mismatch with other components

合规与检测

tolerance
Bore diameter: H8/H9 tolerance, Straightness: 0.05 mm per 300 mm, Circularity: 0.01 mm
test method
Hydrostatic pressure test at 1.5x maximum working pressure for 2 minutes, Leakage test with helium at design pressure, Surface roughness measurement with profilometer, Dimensional verification with CMM

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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 cylinder body and cylinder barrel?

Cylinder body refers to the complete assembled housing including mounting features and ports, while cylinder barrel specifically denotes the tubular section that contains the piston. In industrial terminology, 'body' is more comprehensive.

How often should cylinder bodies be inspected?

Regular visual inspections every 6 months, with detailed internal inspection including bore measurement and surface finish check every 2 years or 10,000 operating hours, whichever comes first.

Can aluminum cylinder bodies be used with hydraulic oil?

Yes, aluminum alloys like 6061-T6 are commonly used with hydraulic fluids, but compatibility must be verified with specific fluid types, and anodizing or hard coating is often applied for wear resistance.

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URN:CNFX:ME:UNIT:CYLINDER_BODY