行业组件数据 · 2026

径向臂

Radial arms are structural components in spider assemblies that extend outward from a central hub to support and position machine elements.

技术定义与适配语境
典型 径向臂 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。

Radial arms are rigid structural members that radiate from a central hub or shaft in spider assemblies, designed to provide precise radial positioning, load distribution, and support for attached components such as rollers, gears, or cutting tools. They maintain alignment under operational stresses and ensure balanced force transmission in rotating machinery.

组件规格

定义
Radial arms are rigid structural members that radiate from a central hub or shaft in spider assemblies, designed to provide precise radial positioning, load distribution, and support for attached components such as rollers, gears, or cutting tools. They maintain alignment under operational stresses and ensure balanced force transmission in rotating machinery.
工作原理
Radial arms operate by transferring torque and radial loads from a central rotating hub to peripheral components, maintaining fixed angular positions through rigid construction. They distribute forces evenly to prevent imbalance and vibration, while allowing for adjustable or fixed mounting of machine elements along their length.
材料
Typically manufactured from high-strength alloy steel (e.g.AISI 4140)stainless steel (e.g.304/316)or aluminum alloys (e.g.6061-T6) for lightweight applications. Heat treatment (quenching and tempering) is common for enhanced durability and fatigue resistance.
Length
150-500 mm
Cross-section
Rectangular or I-beam
Load Capacity
500-5000 N
Mounting Holes
M8-M16 threaded
Surface Finish
Ra 3.2 μm or better
标准
ISO 2768DIN 7186

行业分类与别名

径向臂 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 due to high cyclic stresses->Crack propagation leading to arm fracture->Implement regular non-destructive testing (e.g., ultrasonic inspection) and use fatigue-resistant materials with proper heat treatment.
Improper installation or mounting bolt loosening->Arm misalignment causing imbalance and vibration->Use torque-controlled fastening and periodic alignment checks with laser tools.

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Misalignment causing vibration
2
Corrosion in harsh environments

合规与检测

tolerance
±0.1 mm on critical dimensions
test method
Static load testing per ISO 12100, dynamic fatigue testing per ASTM E466

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 primary function of a radial arm in a spider assembly?

The radial arm provides structural support and precise radial positioning for components attached to a central hub, ensuring balanced load distribution and minimizing vibration in rotating systems.

Can radial arms be customized for specific machinery?

Yes, radial arms are often custom-designed based on load requirements, space constraints, and material compatibility, with adjustments in length, cross-section, and mounting features.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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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。

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URN:CNFX:ME:UNIT:RADIAL_ARMS