行业组件数据 · 2026

气缸孔

Precision-machined cylindrical bore in pneumatic cylinder bodies that guides piston movement and contains compressed air.

技术定义与适配语境
典型 气缸孔 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 cylinder bore is the internal cylindrical surface of a pneumatic cylinder body, precisely machined to specific dimensional tolerances and surface finish requirements. It serves as the guiding channel for the piston assembly, providing a sealed environment for compressed air to act upon the piston. The bore's geometry, surface characteristics, and dimensional accuracy directly impact cylinder efficiency, sealing performance, and operational lifespan.

组件规格

定义
The cylinder bore is the internal cylindrical surface of a pneumatic cylinder body, precisely machined to specific dimensional tolerances and surface finish requirements. It serves as the guiding channel for the piston assembly, providing a sealed environment for compressed air to act upon the piston. The bore's geometry, surface characteristics, and dimensional accuracy directly impact cylinder efficiency, sealing performance, and operational lifespan.
工作原理
Provides a smooth, sealed cylindrical pathway for piston reciprocation, converting pneumatic pressure into linear mechanical motion through controlled air expansion/compression within the bore volume.
材料
Typically machined from aluminum alloys (6061-T67075-T6)stainless steel (304316)or hardened steelwith optional surface treatments (hard anodizingchrome platingnitriding) for wear resistance.
Hardness
Varies by material (e.g., 60-70 HRC for hardened steel)
Roundness
≤0.01 mm
Tolerance
H7-H9 (ISO)
Straightness
≤0.02 mm/m
Bore Diameter
10-200 mm (standard range)
Surface Finish
Ra 0.4-1.6 μm
标准
ISO 6432ISO 15552DIN ISO 3320DIN 24334

行业分类与别名

气缸孔 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

Abrasive contamination in compressed air->Progressive bore scoring and increased friction->Install proper filtration (5 μm or finer), regular maintenance
Inadequate lubrication->Accelerated wear of bore and seals->Use lubricated air or self-lubricating materials, monitor lubrication systems
Misalignment during installation->Uneven wear and premature seal failure->Proper mounting alignment, use of flexible couplings, alignment verification

工业生态与工程逻辑

0
Bore wear leading to air leakage
1
Corrosion in humid environments
2
Contamination scoring bore surface
3
Dimensional inaccuracy causing binding

合规与检测

tolerance
ISO 2768-mK for general dimensions, specific bore tolerances per ISO 6432/15552
test method
Air leakage test per ISO 19973, dimensional verification with bore gauges/CMM, surface roughness measurement with profilometer

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 surface finish is required for optimal cylinder bore performance?

Ra 0.4-1.6 μm is typical; smoother finishes reduce friction and wear, while rougher finishes may retain lubrication better but increase seal wear.

How does bore tolerance affect pneumatic cylinder efficiency?

Tighter tolerances (H7) minimize air leakage past seals, improving efficiency and response time, but increase manufacturing cost.

Can cylinder bores be repaired if worn or damaged?

Limited repair via honing or re-sleeving is possible, but excessive wear typically requires cylinder replacement for proper sealing.

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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:CYLINDER_BORE