行业组件数据 · 2026

压气机壳体

繁體:壓氣機殼體

压气机壳体是涡轮增压器系统中一个精密加工的部件,用于封装压气机叶轮。

技术定义与适配语境
典型 压气机壳体 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

压气机壳体是涡轮增压器系统中一个精密加工的部件,用于封装压气机叶轮。它承担多项关键功能:容纳高速旋转组件,通过其蜗壳设计将压气机叶轮的动能转化为压力能,将压缩空气导向发动机进气歧管,并为涡轮增压器总成提供安装接口。其气动外形对涡轮增压器效率、喘振特性以及发动机整体性能有显著影响。 压气机壳体基于流体动力学原理工作。当压气机叶轮高速旋转(通常为100,000-300,000 RPM)时,它沿轴向吸入环境空气,并沿径向向外加速。壳体的蜗壳(螺旋形通道)捕获该高速气流,并通过逐渐扩压将其动能转化为压力能。沿蜗壳横截面积逐渐减小,在保持流速的同时增加压力,从而将压缩空气输送到发动机进气口。壳体还集成了防喘振功能,以防止瞬态工况下压气机失速。

组件规格

定义
压气机壳体是涡轮增压器系统中一个精密加工的部件,用于封装压气机叶轮。它承担多项关键功能:容纳高速旋转组件,通过其蜗壳设计将压气机叶轮的动能转化为压力能,将压缩空气导向发动机进气歧管,并为涡轮增压器总成提供安装接口。其气动外形对涡轮增压器效率、喘振特性以及发动机整体性能有显著影响。

压气机壳体基于流体动力学原理工作。当压气机叶轮高速旋转(通常为100,000-300,000 RPM)时,它沿轴向吸入环境空气,并沿径向向外加速。壳体的蜗壳(螺旋形通道)捕获该高速气流,并通过逐渐扩压将其动能转化为压力能。沿蜗壳横截面积逐渐减小,在保持流速的同时增加压力,从而将压缩空气输送到发动机进气口。壳体还集成了防喘振功能,以防止瞬态工况下压气机失速。
工作原理
The compressor housing operates on fluid dynamics principles. As the compressor wheel rotates at high speeds (typically 100,000-300,000 RPM), it draws in ambient air axially and accelerates it radially outward. The housing's volute (spiral-shaped passage) captures this high-velocity air and converts its kinetic energy into pressure energy through gradual diffusion. The decreasing cross-sectional area along the volute maintains velocity while increasing pressure, delivering compressed air to the engine intake. The housing also incorporates anti-surge features to prevent compressor stall during transient conditions.
材料
通常采用铝合金(A356-T6或类似材料)以减轻重量并提高导热性或采用铸铁用于高温应用。先进应用可能使用钛合金或镍基高温合金以应对极端工况。表面处理通常包括阳极氧化或陶瓷涂层以提供热保护和耐腐蚀性。
Weight
1.5-8 kg
A/R Ratio
0.4-1.2
Inlet Diameter
50-150 mm
Outlet Diameter
40-100 mm
Temperature Range
-40°C to 250°C
Max Pressure Ratio
4:1
标准
ISO 11363DIN 70020SAE J922

行业分类与别名

压气机壳体 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

Thermal cycling between ambient and operating temperatures->Cracking in thin-walled sections or near stress concentrators->Implement finite element analysis (FEA) for thermal stress optimization, use improved aluminum alloys with better thermal fatigue resistance, add reinforcement ribs in high-stress areas
Compressor surge during rapid throttle closure->Reverse flow causing wheel damage and housing erosion->Design anti-surge ports or slots, implement proper wastegate control strategies, educate users on proper turbo operation techniques
Galvanic corrosion in aluminum housings->Material degradation and pressure leaks->Apply protective coatings (anodizing, ceramic), use compatible fasteners to prevent galvanic couples, specify proper maintenance procedures

工业生态与工程逻辑

0
Thermal fatigue cracking
1
Compressor surge damage
2
Corrosion in marine environments
3
Foreign object damage (FOD)
4
Improper installation causing leaks

合规与检测

tolerance
±0.1 mm for critical bore dimensions, ±0.25 mm for mounting features, surface finish Ra 1.6-3.2 μm for airflow surfaces
test method
Pressure testing to 2x operating pressure, leak testing with helium mass spectrometry, coordinate measuring machine (CMM) verification, material composition analysis via spectroscopy

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 A/R ratio in compressor housing?

The A/R (Area/Radius) ratio is the cross-sectional area of the volute divided by the radius from the center of the compressor wheel to the centroid of that area. It determines the housing's flow characteristics - lower A/R provides better low-end response, while higher A/R improves top-end efficiency.

Can compressor housings be interchanged between turbochargers?

No, compressor housings are specifically designed for particular compressor wheel sizes and turbocharger models. Interchanging requires matching the wheel diameter, trim, backplate configuration, and mounting interfaces. Even small mismatches can cause efficiency losses or mechanical failure.

What causes compressor housing cracking?

Common causes include thermal cycling stress, excessive boost pressure beyond design limits, material defects in casting, improper installation torque, and vibration-induced fatigue. Aluminum housings are particularly susceptible to thermal stress cracking near wastegate passages.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 汽车制造

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: 压气机壳体

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。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 压气机壳体?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
压气机叶轮
下一个组件
压盘安装点
URN:CNFX:ME:UNIT:COMPRESSOR_HOUSING