行业组件数据 · 2026

夹紧臂

A clamping arm is a mechanical component in welding fixtures that securely holds workpieces in precise positions during welding operations.

技术定义与适配语境
典型 夹紧臂 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

A clamping arm is a critical component of welding fixtures and jigs, designed to apply controlled force to hold workpieces firmly against locators or other reference surfaces. It ensures dimensional accuracy and repeatability during welding processes by preventing movement from thermal expansion, vibration, or external forces. Typically featuring adjustable mechanisms, it accommodates various workpiece geometries while maintaining consistent clamping pressure.

组件规格

定义
A clamping arm is a critical component of welding fixtures and jigs, designed to apply controlled force to hold workpieces firmly against locators or other reference surfaces. It ensures dimensional accuracy and repeatability during welding processes by preventing movement from thermal expansion, vibration, or external forces. Typically featuring adjustable mechanisms, it accommodates various workpiece geometries while maintaining consistent clamping pressure.
工作原理
The clamping arm operates on mechanical leverage principles, often using pneumatic, hydraulic, or manual actuation. When activated, it pivots or translates to contact the workpiece, applying force through a pad or contact point. This force creates friction and mechanical restraint, locking the workpiece in position against fixture locators. Release mechanisms disengage the arm for loading/unloading.
材料
High-strength alloy steel (e.g.AISI 4140)hardened to 45-50 HRC for wear resistancecorrosion-resistant coatings (zinc plating or powder coating) optionalpivot pins from case-hardened steelcontact pads from aluminum or urethane to prevent workpiece damage.
Stroke Length
50-200 mm
Clamping Force
500-5000 N (adjustable)
Rotation Angle
90-180 degrees
Weight Capacity
Up to 50 kg per arm
Mounting Pattern
Standardized hole spacing (e.g., 32 mm grid)
Operating Pressure
0.4-0.8 MPa (pneumatic models)
标准
ISO 12100DIN 6325ISO 10209

行业分类与别名

夹紧臂 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

Worn pivot bushings->Reduced clamping accuracy and arm wobble->Implement preventive maintenance with lubrication and bushing replacement every 6 months
Incorrect pressure settings->Workpiece slippage during welding->Use calibrated pressure regulators and routine force verification checks

工业生态与工程逻辑

0
Over-tightening causing workpiece deformation
1
Wear at pivot points leading to misalignment
2
Inadequate force resulting in weld shift

合规与检测

tolerance
Positional tolerance ±0.1 mm under load
test method
ISO 230-1 for repeatability testing; force verification via load cell measurement

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

How do I select the right clamping arm for my welding fixture?

Consider workpiece weight, required clamping force, accessibility, and actuation type (pneumatic for speed, manual for simplicity). Ensure compatibility with your fixture's mounting system and verify stroke/rotation meets clearance needs.

Can clamping arms be used with different workpiece materials?

Yes, but adjust contact pad material: use urethane for delicate surfaces like aluminum, and steel pads for heavy-duty steel workpieces. Always verify force settings to prevent deformation.

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CNFX Industrial Component Index · 汽车制造

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。

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URN:CNFX:ME:UNIT:CLAMPING_ARM