行业组件数据 · 2026

轮毂/中心体

Central structural component in swirl vane assemblies that anchors and aligns vanes for controlled fluid rotation.

技术定义与适配语境
典型 轮毂/中心体 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。

The hub or centerbody is the core structural element of a swirl vane assembly, typically cylindrical or conical, designed to securely mount and radially position multiple vanes. It ensures precise angular alignment and mechanical stability while withstanding centrifugal forces, pressure differentials, and thermal stresses in fluid systems. This component creates the central axis around which vanes induce rotational flow patterns.

组件规格

定义
The hub or centerbody is the core structural element of a swirl vane assembly, typically cylindrical or conical, designed to securely mount and radially position multiple vanes. It ensures precise angular alignment and mechanical stability while withstanding centrifugal forces, pressure differentials, and thermal stresses in fluid systems. This component creates the central axis around which vanes induce rotational flow patterns.
工作原理
Acts as the mounting platform and geometric reference for swirl vanes, maintaining their radial position and angular orientation to impart controlled swirl or vortex motion to fluids (gases or liquids) passing through the assembly. The hub's geometry influences flow characteristics by defining vane attachment points and central obstruction effects.
材料
Typically manufactured from corrosion-resistant alloys (e.g.stainless steel 304/316aluminum 6061-T6)high-strength compositesor engineered polymers (PEEKPTFE) depending on temperaturepressureand chemical exposure requirements. Surface treatments may include anodizingplatingor coatings for wear resistance.
Length
100-500 mm
Weight
0.5-15 kg
Diameter
50-300 mm
Surface Finish
Ra 1.6-3.2 μm
Max Temperature
-50°C to 400°C
Pressure Rating
Up to 100 bar
Balance Tolerance
G2.5
Vane Mounting Points
4-12
标准
ISO 1940-1DIN 45635ASME B46.1

行业分类与别名

轮毂/中心体 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

Material fatigue from high-cycle stress->Crack propagation leading to structural failure->Implement regular NDT inspections and use fatigue-resistant alloys
Improper balancing during manufacturing->Excessive vibration damaging adjacent components->Enforce dynamic balancing to ISO 1940 standards and quality checks

工业生态与工程逻辑

0
Imbalance causing vibration
1
Material fatigue under cyclic loading
2
Corrosion in aggressive environments
3
Thermal expansion mismatch
4
Improper vane alignment

合规与检测

tolerance
±0.05 mm for critical dimensions, angular positioning within ±0.5°
test method
Coordinate measuring machine (CMM) verification, dynamic balancing tests, pressure testing per ASME BPVC

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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 primary function of a hub/centerbody in swirl vane assemblies?

It provides structural integrity and precise geometric positioning for vanes to create controlled rotational fluid motion while withstanding operational stresses.

How does hub geometry affect swirl performance?

Hub diameter and shape influence flow acceleration, pressure drop, and vortex stability by altering the annular flow area and vane attachment angles.

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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:HUB_CENTERBODY