行业组件数据 · 2026

机械臂结构/连杆

Robotic arm structure and links are the mechanical framework that provides support, motion, and positioning for robotic transfer arms in industrial automation.

技术定义与适配语境
典型 机械臂结构/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。

The arm structure and links of a robotic transfer arm constitute the primary mechanical assembly that connects the base to the end-effector. This component includes rigid segments (links) connected by joints, forming a kinematic chain that enables precise multi-axis movement. It provides structural integrity, determines the robot's reach and workspace, and transmits forces/torques from actuators to the payload. Critical for maintaining accuracy, repeatability, and load capacity in material handling, assembly, and transfer applications.

组件规格

定义
The arm structure and links of a robotic transfer arm constitute the primary mechanical assembly that connects the base to the end-effector. This component includes rigid segments (links) connected by joints, forming a kinematic chain that enables precise multi-axis movement. It provides structural integrity, determines the robot's reach and workspace, and transmits forces/torques from actuators to the payload. Critical for maintaining accuracy, repeatability, and load capacity in material handling, assembly, and transfer applications.
工作原理
Operates on principles of rigid-body kinematics and statics. Links act as lever arms that translate rotational or linear motion from joints (actuated by motors, hydraulics, or pneumatics) into controlled end-effector positioning. The geometry and arrangement determine degrees of freedom, workspace envelope, and dynamic performance. Structural design minimizes deflection under load while optimizing strength-to-weight ratio for speed and energy efficiency.
材料
High-strength aluminum alloys (e.g.6061-T67075-T6) for lightweight armscarbon steel or alloy steel (e.g.AISI 4140) for heavy-duty applicationstitanium for corrosive environmentscomposite materials (carbon fiber reinforced polymers) for specialized high-performance arms. Surface treatments include anodizing (aluminum)platingor powder coating for corrosion resistance.
Reach
0.5-3.5 m
Weight
15-300 kg
Stiffness
1-10 N/μm
Repeatability
±0.02-0.5 mm
Payload Capacity
5-500 kg
Degrees of Freedom
4-7 axes
Operating Temperature
-10°C to 50°C
标准
ISO 9283ISO 10218-1DIN EN ISO 8373ANSI/RIA R15.06

行业分类与别名

机械臂结构/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

Cyclic loading exceeding fatigue limits->Crack propagation leading to catastrophic arm fracture->Implement regular non-destructive testing (ultrasonic, dye penetrant), design with adequate safety factors, use materials with high fatigue strength, and monitor load cycles with predictive maintenance.
Inadequate lubrication or contamination in joints->Increased friction, wear, and positioning errors->Establish preventive maintenance schedules for lubrication, use sealed joints, install contamination sensors, and monitor torque/current signatures for early detection.

工业生态与工程逻辑

0
Structural fatigue failure
1
Joint wear and backlash
2
Resonance vibrations
3
Corrosion in harsh environments
4
Overload deformation
5
Misalignment from impact

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, positional accuracy ±0.1 mm, surface finish Ra 3.2 μm for mating surfaces
test method
Static load testing (ISO 9283), fatigue testing (ASTM E466), coordinate measurement machine (CMM) verification, laser tracker alignment checks

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 material selection for robotic arm links?

Material selection depends on payload requirements, speed, precision, operating environment (corrosion, temperature), and cost. Aluminum offers light weight for high-speed applications, steel provides strength for heavy payloads, and composites deliver high stiffness-to-weight ratios for precision tasks.

How does arm structure design affect robotic performance?

Arm structure directly influences reach, workspace, payload capacity, stiffness, vibration characteristics, and dynamic accuracy. Optimal design balances strength, weight, and inertia to maximize speed and precision while minimizing energy consumption and wear on joints.

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CNFX Industrial Component Index · 机械和设备制造

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初步技术归类
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URN:CNFX:ME:UNIT:ARM_STRUCTURE_LINKS