行业组件数据 · 2026

车轴轴

A rotating shaft that transmits torque from the differential to the wheels in automotive and machinery applications.

技术定义与适配语境
典型 车轴轴 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。

The axle shaft is a critical powertrain component that connects the differential assembly to the wheel hub, transferring rotational force and torque to drive the vehicle. It must withstand significant torsional, bending, and shear stresses while maintaining precise alignment and rotational balance.

组件规格

定义
The axle shaft is a critical powertrain component that connects the differential assembly to the wheel hub, transferring rotational force and torque to drive the vehicle. It must withstand significant torsional, bending, and shear stresses while maintaining precise alignment and rotational balance.
工作原理
Works on the principle of torque transmission through rotational motion. The differential splits engine power between two axle shafts, which rotate at speeds determined by driving conditions (straight vs. turning). The shaft's splined ends engage with the differential side gear and wheel hub to deliver power while allowing for suspension movement.
材料
Typically forged alloy steel (SAE 41404340or similar grades) with heat treatment (carburizing or induction hardening) to achieve surface hardness of 55-62 HRC and core toughness. Some applications use carbon fiber composites or high-strength aluminum alloys for weight reduction.
Length
500-1200 mm (vehicle dependent)
Weight
5-15 kg
Diameter
25-50 mm
Spline Type
Involute splines (30-40 teeth common)
Surface Finish
Ra 0.8-1.6 μm
Torque Capacity
800-3500 Nm
标准
ISO 4156DIN 5480SAE J498ISO 286-2

行业分类与别名

车轴轴 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 repeated torque cycles->Shaft fracture under load->Regular inspection for surface cracks, proper heat treatment, and using fatigue-resistant alloy steels
Improper spline engagement during assembly->Spline stripping and power transmission loss->Precise machining to tolerance standards, proper lubrication during installation, torque verification
Corrosion in salt or moisture exposure->Reduced cross-sectional strength and eventual failure->Protective coatings (zinc plating, powder coating), regular cleaning in corrosive environments

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Spline wear leading to power loss
2
Corrosion in harsh environments
3
Improper installation causing vibration
4
Material defects leading to fracture

合规与检测

tolerance
Spline dimensions: ISO 4156 Class 7, Diameter: h7/h8 tolerance, Straightness: 0.1 mm per 300 mm
test method
Torque testing to 150% of rated capacity, rotational fatigue testing (minimum 1 million cycles), hardness testing (Rockwell C), magnetic particle inspection for cracks

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 difference between an axle shaft and a CV axle?

An axle shaft is a straight rotating shaft, while a CV (Constant Velocity) axle includes constant velocity joints at both ends to accommodate angular movement in front-wheel drive and independent suspension systems.

How do I know if my axle shaft is failing?

Common signs include clicking sounds during turns (CV joint wear), vibration during acceleration, grease leakage from boots, or visible damage to the shaft or splines.

Can axle shafts be repaired or must they be replaced?

Typically replaced as a unit due to precision requirements and heat treatment. CV joints may be serviceable on some models, but damaged shafts require complete replacement.

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: 车轴轴

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 车轴轴?

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
车轴梁
下一个组件
转向拉杆球头安装孔
URN:CNFX:ME:UNIT:AXLE_SHAFT