行业组件数据 · 2026

柱塞孔

Precision cylindrical bore in fluid chambers that guides plunger movement for pressure generation and fluid displacement.

技术定义与适配语境
典型 柱塞孔 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。

A precisely machined cylindrical bore within a fluid chamber that serves as the guiding interface for a plunger's reciprocating motion. This critical component maintains dimensional accuracy and surface finish to ensure proper sealing, minimize friction, and enable efficient pressure generation or fluid displacement in hydraulic and pneumatic systems.

组件规格

定义
A precisely machined cylindrical bore within a fluid chamber that serves as the guiding interface for a plunger's reciprocating motion. This critical component maintains dimensional accuracy and surface finish to ensure proper sealing, minimize friction, and enable efficient pressure generation or fluid displacement in hydraulic and pneumatic systems.
工作原理
The plunger bore provides a smooth, dimensionally stable cylindrical pathway that guides the plunger's linear motion. As the plunger moves within the bore, it creates pressure differentials that displace fluid or generate force, with the bore's precision ensuring minimal clearance for effective sealing and efficient energy transfer.
材料
Typically manufactured from hardened steel alloys (AISI 41404340)stainless steel (31617-4PH)or specialized wear-resistant materials with hardness ranging from 45-60 HRC. Surface treatments may include nitridingchrome platingor DLC coatings for enhanced wear resistance.
Length
Varies by application (typically 50-500 mm)
Roundness
0.003 mm
Straightness
0.01 mm/m
Surface Finish
Ra 0.2-0.4 μm
Diameter Tolerance
±0.005 mm
Operating Pressure
Up to 700 bar
标准
ISO 3320ISO 4394-1DIN 24342ISO 10766

行业分类与别名

柱塞孔 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

Contaminant particles in hydraulic fluid->Abrasive wear and scoring of bore surface->Implement proper filtration systems, regular fluid analysis, and use of wear-resistant coatings
Improper alignment during assembly->Uneven wear, increased friction, and premature failure->Use precision alignment tools, follow installation procedures, and conduct post-installation verification
Corrosive fluid media->Surface pitting and material degradation->Select corrosion-resistant materials, apply protective coatings, and implement fluid compatibility testing

工业生态与工程逻辑

0
Wear and scoring from abrasive contaminants
1
Corrosion in aggressive fluid environments
2
Thermal expansion affecting clearances
3
Fatigue cracking under cyclic loading
4
Improper installation causing misalignment

合规与检测

tolerance
ISO 286-1 geometric tolerancing standards for cylindrical features, with specific application-dependent clearances typically ranging from 0.01-0.05 mm
test method
Coordinate measuring machine (CMM) verification, surface profilometry, pressure testing per ISO 10766, and dimensional inspection per ISO 14253-1

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 primary function of a plunger bore in industrial applications?

The plunger bore provides a precision-guided pathway for plunger movement, enabling controlled fluid displacement and pressure generation in hydraulic pumps, compressors, and fluid transfer systems.

How does surface finish affect plunger bore performance?

Optimal surface finish (typically Ra 0.2-0.4 μm) minimizes friction, reduces wear on both bore and plunger, improves sealing efficiency, and prevents fluid leakage in high-pressure applications.

What maintenance is required for plunger bores?

Regular inspection for wear, scoring, or corrosion; periodic cleaning to remove contaminants; and monitoring of dimensional tolerances to ensure continued performance and prevent system failures.

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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:PLUNGER_BORE