行业组件数据 · 2026

输出轴

Output shaft is a rotating mechanical component that transmits torque from a drive motor and gearbox to connected machinery.

技术定义与适配语境
典型 输出轴 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 output shaft is a critical rotating element in power transmission systems, designed to transfer mechanical energy from the gearbox's final reduction stage to external equipment. It typically features precision-machined surfaces for bearing mounting, keyways or splines for torque transmission, and threaded sections for securing couplings or pulleys. This component must withstand torsional, bending, and axial loads while maintaining alignment and minimizing deflection under operational conditions.

组件规格

定义
The output shaft is a critical rotating element in power transmission systems, designed to transfer mechanical energy from the gearbox's final reduction stage to external equipment. It typically features precision-machined surfaces for bearing mounting, keyways or splines for torque transmission, and threaded sections for securing couplings or pulleys. This component must withstand torsional, bending, and axial loads while maintaining alignment and minimizing deflection under operational conditions.
工作原理
The output shaft operates on rotational mechanics principles, converting the gearbox's reduced rotational speed and increased torque into usable mechanical work. As the final rotating element in the drive train, it transmits power through shear stress along its length while supported by bearings that constrain radial and axial movement. The shaft's geometry and material properties determine its torsional stiffness, critical speed, and fatigue resistance.
材料
Typically manufactured from alloy steels (AISI 41404340) or carbon steels (10451144) with heat treatment (quenching and tempering) to achieve surface hardness of 45-55 HRC and core toughness. Stainless steels (31617-4PH) used in corrosive environments. Surface treatments include induction hardeningnitridingor chrome plating for wear resistance.
Length
100-2000 mm
Diameter
20-200 mm
Surface Finish
Ra 0.8-3.2 μm
Runout Tolerance
0.02-0.1 mm
Torsional Strength
200-2000 Nm
Straightness Tolerance
0.05 mm/m
标准
ISO 286-2DIN 748ISO 1101DIN 7190

行业分类与别名

输出轴 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

Insufficient torque capacity->Torsional shear fracture->Increase shaft diameter, use higher strength material, implement torque limiters
Improper bearing fit->Bearing seat wear and looseness->Maintain H7/k6 or H7/js6 fit tolerances, use proper installation tools
Misalignment with connected equipment->Bending fatigue and premature bearing failure->Use flexible couplings, ensure proper alignment within 0.05 mm/m

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Torsional overload
2
Bearing seizure due to improper fits
3
Corrosion in wet environments
4
Resonance at critical speeds

合规与检测

tolerance
ISO IT6-IT7 for bearing seats, ISO IT8-IT9 for non-critical diameters
test method
Ultrasonic testing for internal defects, magnetic particle inspection for surface cracks, runout measurement with dial indicators, torque testing to 150% rated capacity

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 input and output shafts?

Input shafts receive power from the prime mover (motor/engine) and transmit it into the gearbox, while output shafts deliver reduced-speed, increased-torque power from the gearbox to driven equipment.

How do you calculate output shaft sizing?

Shaft diameter is calculated based on torsional stress (τ = T/J), bending stress, combined stress theories (von Mises), and deflection limits. Critical speed analysis prevents resonance at operating RPM.

What causes output shaft failure?

Common failures include fatigue cracking from cyclic loading, torsional shear from overload, bearing seat wear from improper fits, and corrosion in harsh environments.

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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
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: 输出轴

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URN:CNFX:ME:UNIT:OUTPUT_SHAFT