行业组件数据 · 2026

轴体

Shaft body is the main cylindrical structural component of a drive shaft that transmits rotational power and torque between machine elements.

技术定义与适配语境
典型 轴体 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 shaft body is the central cylindrical element of a drive shaft assembly, designed to transmit mechanical power and torque from a driving component (such as a motor or engine) to a driven component (such as a gear, pulley, or wheel). It serves as the primary load-bearing structure that withstands torsional, bending, and axial forces while maintaining precise alignment and rotational stability. Typically manufactured with high dimensional accuracy and surface finish requirements to ensure proper fit with bearings, couplings, and other mounted components.

组件规格

定义
The shaft body is the central cylindrical element of a drive shaft assembly, designed to transmit mechanical power and torque from a driving component (such as a motor or engine) to a driven component (such as a gear, pulley, or wheel). It serves as the primary load-bearing structure that withstands torsional, bending, and axial forces while maintaining precise alignment and rotational stability. Typically manufactured with high dimensional accuracy and surface finish requirements to ensure proper fit with bearings, couplings, and other mounted components.
工作原理
The shaft body operates on the principle of torque transmission through rotational motion. When torque is applied at one end, the shaft's rigid cylindrical structure transfers this rotational force along its length to the output end. Its design minimizes deflection and vibration while maintaining alignment between connected components. The shaft's geometry (diameter, length, keyways, splines) determines its torque capacity, critical speed, and compatibility with other mechanical elements.
材料
Common materials include: Carbon steels (AISI 10454140)Alloy steels (AISI 43408620)Stainless steels (304316)Aluminum alloys (6061-T67075-T6)Titanium alloys (Grade 5). Material selection depends on application requirements for strengthhardnesscorrosion resistanceweightand cost.
Hardness
HRC 20-55 depending on material
Length Range
50 mm to 3000 mm standard
Straightness
0.05 mm/m maximum
Torque Capacity
50 Nm to 5000 Nm typical
Surface Roughness
Ra 0.4 μm to Ra 1.6 μm
Diameter Tolerance
±0.01 mm to ±0.05 mm
标准
ISO 286-1ISO 1101DIN 748DIN 7190

行业分类与别名

轴体 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

Insufficient material strength for applied torque->Torsional shear failure->Proper material selection and torque capacity calculation with safety factors
Improper heat treatment->Surface cracking or reduced fatigue life->Controlled heat treatment processes and hardness testing
Inadequate surface finish at bearing seats->Premature bearing wear and vibration->Specify appropriate surface roughness and implement quality control checks

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Torsional vibration resonance
2
Bearing seat wear
3
Corrosion in harsh environments
4
Improper alignment causing premature failure

合规与检测

tolerance
Geometric tolerances per ISO 1101, dimensional tolerances per ISO 286-1
test method
Dimensional inspection with CMM, surface roughness testing, hardness testing (Rockwell/Brinell), non-destructive testing (magnetic particle or ultrasonic)

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 a shaft body and a complete drive shaft assembly?

The shaft body is specifically the cylindrical structural element, while a complete drive shaft assembly includes additional components like couplings, universal joints, bearings, and mounting features attached to the shaft body.

How do I select the appropriate material for a shaft body?

Material selection depends on application requirements: Carbon steel for general purpose, alloy steel for high strength, stainless for corrosion resistance, aluminum for weight reduction, and titanium for high strength-to-weight ratio applications.

What are the most critical dimensional tolerances for shaft bodies?

Diameter tolerance (for bearing fits), straightness (for rotational balance), and surface finish (for sealing and wear characteristics) are typically the most critical dimensional requirements.

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CNFX Industrial Component Index · 机械和设备制造

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
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URN:CNFX:ME:UNIT:SHAFT_BODY