行业组件数据 · 2026

机械臂连杆

Structural links connecting joints in industrial robot arms for precise motion transmission and payload support.

技术定义与适配语境
典型 机械臂连杆 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。

Arm links are rigid structural components in industrial robot arms that connect rotational joints, forming kinematic chains to position end-effectors with high accuracy. They transmit torque from actuators while supporting payloads and maintaining structural integrity under dynamic loads. Links determine the robot's reach, workspace geometry, and stiffness characteristics through their length, cross-section, and material properties.

组件规格

定义
Arm links are rigid structural components in industrial robot arms that connect rotational joints, forming kinematic chains to position end-effectors with high accuracy. They transmit torque from actuators while supporting payloads and maintaining structural integrity under dynamic loads. Links determine the robot's reach, workspace geometry, and stiffness characteristics through their length, cross-section, and material properties.
工作原理
Arm links function as rigid bodies in serial kinematic chains, transforming rotational motion from joints into precise spatial positioning. They maintain fixed distances between joint axes while transmitting forces and moments. The links' geometry and material properties determine the robot's stiffness, natural frequencies, and dynamic performance through principles of rigid body mechanics and structural dynamics.
材料
High-strength aluminum alloys (e.g.7075-T6)carbon steel (AISI 4140)titanium alloys (Ti-6Al-4V) for lightweight applicationsor composite materials for specialized requirements. Surface treatments include anodizingpowder coatingor hard chrome plating for wear resistance.
Weight
Optimized for payload-to-weight ratio
Stiffness
Minimum bending deflection under full load
Straightness
0.05 mm/m
Surface Finish
Ra 1.6 μm or better
Length Tolerance
±0.1 mm per meter
Thermal Stability
Coefficient of thermal expansion < 23 μm/m·°C
标准
ISO 9283ISO 10218-1DIN EN ISO 8373ANSI/RIA R15.06

行业分类与别名

机械臂连杆 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 continuous cyclic loading->Crack propagation leading to structural failure->Regular inspection, finite element analysis during design, proper material selection with adequate fatigue strength
Thermal expansion mismatch in multi-material assemblies->Loss of positional accuracy and increased bearing wear->Use materials with compatible thermal properties, incorporate thermal compensation in control algorithms, ensure proper ventilation
Improper mounting or alignment during installation->Premature bearing wear, reduced accuracy, increased vibration->Precision alignment procedures, use of alignment tools, proper torque specifications for fasteners

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Thermal deformation affecting accuracy
2
Corrosion in harsh environments
3
Impact damage from collisions
4
Resonance at certain operating frequencies

合规与检测

tolerance
Geometric tolerances per ISO 1101, positional accuracy within ±0.1 mm for precision applications
test method
Coordinate measuring machine (CMM) verification, laser tracker measurement for large assemblies, dynamic stiffness testing with modal analysis

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 factors determine the optimal length of robot arm links?

Link length is optimized based on workspace requirements, payload capacity, stiffness needs, and dynamic performance. Longer links increase reach but reduce stiffness and natural frequencies, requiring careful balance with material selection and cross-sectional design.

How do arm links affect robot accuracy?

Links influence accuracy through dimensional stability, thermal characteristics, and stiffness. Deflection under load, thermal expansion, and manufacturing tolerances directly impact positional repeatability and absolute accuracy of the end-effector.

Can arm links be customized for specific applications?

Yes, links are often custom-designed for specific payloads, reach requirements, or environmental conditions. Modifications may include special coatings for corrosive environments, integrated cable routing, or optimized cross-sections for vibration damping.

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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: 机械臂连杆

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URN:CNFX:ME:UNIT:ARM_LINKS