行业组件数据 · 2026

气缸

A compressor cylinder is a precision-engineered component that houses the piston and facilitates air compression through reciprocating motion.

技术定义与适配语境
典型 气缸 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。

In industrial compressors, the cylinder is the central pressure vessel where gas compression occurs. It provides a sealed chamber for the piston to move linearly, converting mechanical energy into compressed air or gas energy through volume reduction. Cylinders must withstand cyclic pressure loads, thermal stresses from compression heat, and mechanical wear from piston movement while maintaining precise dimensional tolerances for efficient sealing and minimal leakage.

组件规格

定义
In industrial compressors, the cylinder is the central pressure vessel where gas compression occurs. It provides a sealed chamber for the piston to move linearly, converting mechanical energy into compressed air or gas energy through volume reduction. Cylinders must withstand cyclic pressure loads, thermal stresses from compression heat, and mechanical wear from piston movement while maintaining precise dimensional tolerances for efficient sealing and minimal leakage.
工作原理
The cylinder operates on the reciprocating compression principle: as the piston moves downward during the intake stroke, it creates vacuum that draws gas through inlet valves. During the compression stroke, upward piston movement reduces chamber volume, increasing gas pressure until discharge valves open at predetermined pressure levels. The cylinder's smooth bore surface minimizes friction while maintaining gas-tight sealing with piston rings.
材料
Cast iron (gray or ductile) for standard applicationsAluminum alloys for weight-sensitive applicationsSteel alloys (carbon or stainless) for high-pressure/temperature applicationsSpecial coatings (chrome platingnitriding) for wear resistance.
Bore Diameter
50-500 mm
Stroke Length
100-600 mm
Cooling Method
Air/Water cooled
Surface Finish
Ra 0.4-0.8 μm
Cylinder Volume
0.5-50 L
Working Pressure
7-40 bar
Temperature Range
-20°C to 200°C
标准
ISO 1217ISO 8573-1DIN 1945DIN 3852

行业分类与别名

气缸 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

Inadequate cooling leading to thermal expansion->Cylinder bore distortion and piston seizure->Implement temperature monitoring, ensure proper coolant flow, use thermal barrier coatings
Contaminant ingress through air intake->Abrasive wear and scoring of cylinder surface->Install high-efficiency air filters, maintain filter replacement schedule, use desiccant dryers
Improper lubrication or wrong lubricant type->Increased friction, overheating, and accelerated wear->Follow manufacturer's lubrication specifications, implement automatic lubrication systems, monitor oil quality

工业生态与工程逻辑

0
Pressure vessel failure
1
Thermal fatigue cracking
2
Wear-induced leakage
3
Corrosion damage
4
Lubrication failure

合规与检测

tolerance
Bore diameter tolerance: H7/H8, Cylindricity: 0.01-0.03 mm, Surface roughness: Ra 0.4-0.8 μm
test method
Hydrostatic pressure testing at 1.5x working pressure, dimensional verification with bore gauges, surface finish measurement with profilometer, leak testing with pressure decay method

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 causes cylinder scoring in compressors?

Cylinder scoring typically results from inadequate lubrication, contamination ingress, thermal distortion, or misalignment between piston and cylinder bore, leading to metal-to-metal contact and surface damage.

How often should compressor cylinders be inspected?

Visual inspection every 3-6 months, dimensional measurement annually, with complete overhaul every 8,000-12,000 operating hours depending on service conditions and manufacturer recommendations.

Can worn cylinders be repaired or must they be replaced?

Minor wear can be addressed through honing and oversize piston rings, but severely worn or damaged cylinders typically require replacement or professional re-sleeving with new cylinder liners.

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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: 气缸

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。

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URN:CNFX:ME:UNIT:CYLINDER