行业组件数据 · 2026

连杆

Linkage rods are precision mechanical components that transmit motion and force between pivot points in dancer arm assemblies.

技术定义与适配语境
典型 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。

Linkage rods are rigid structural elements in dancer arm assemblies that connect pivot points to transfer rotational or linear motion while maintaining precise geometric relationships. They serve as critical force-transmitting members that convert actuator input into controlled dancer roll movement, ensuring consistent web tension control in continuous processing machinery.

组件规格

定义
Linkage rods are rigid structural elements in dancer arm assemblies that connect pivot points to transfer rotational or linear motion while maintaining precise geometric relationships. They serve as critical force-transmitting members that convert actuator input into controlled dancer roll movement, ensuring consistent web tension control in continuous processing machinery.
工作原理
Linkage rods operate on the principle of rigid body mechanics, where they act as force-transmitting members between pivot joints. When connected to actuators and dancer rolls, they convert input motion into controlled output movement while maintaining fixed distances between connection points, enabling precise angular positioning through four-bar linkage mechanisms.
材料
Typically manufactured from high-strength alloy steels (AISI 41404340) or stainless steels (31617-4PH) with yield strengths exceeding 690 MPa. Surface treatments include hard chrome plating (0.05-0.10 mm)nitridingor phosphate coatings for wear resistance and corrosion protection.
Hardness
HRC 40-50
Straightness
0.05 mm/m
Surface Finish
Ra 0.8 μm
Bearing Surfaces
Ground to ±0.01 mm
Length Tolerance
±0.1 mm
Thread Specifications
M12x1.75 or UNF 1/2-20
标准
ISO 2768-mDIN 7168ISO 965-1

行业分类与别名

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 and fracture->Implement regular inspection protocols, use materials with higher fatigue strength, apply shot peening for compressive surface stresses
Inadequate lubrication at pivot points->Accelerated wear and increased friction->Establish preventive maintenance schedules, use self-lubricating bushings, install automatic lubrication systems
Corrosive process environments->Material degradation and reduced strength->Specify corrosion-resistant materials (stainless steel), apply protective coatings, implement environmental controls

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Wear at pivot connections
2
Corrosion in harsh environments
3
Misalignment causing binding
4
Thread stripping at connection points

合规与检测

tolerance
Geometric tolerances per ISO 1101, dimensional tolerances per ISO 2768-m
test method
Dimensional verification with CMM, material testing per ASTM A370, fatigue testing per ISO 12107, surface hardness testing per ISO 6508

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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 linkage rods in dancer arm assemblies?

Linkage rods transmit motion and force between pivot points in dancer arm systems, converting actuator input into controlled dancer roll movement for precise web tension regulation in continuous processing equipment.

What materials are commonly used for manufacturing linkage rods?

High-strength alloy steels (AISI 4140/4340) and stainless steels (316/17-4PH) are standard, often with surface treatments like hard chrome plating or nitriding for enhanced wear resistance and corrosion protection.

How do linkage rods maintain precision in motion transmission?

Through strict dimensional tolerances (±0.1 mm length, 0.05 mm/m straightness), precision-ground bearing surfaces, and rigid construction that prevents deflection under load, ensuring accurate geometric relationships in linkage mechanisms.

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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
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URN:CNFX:ME:UNIT:LINKAGE_RODS