行业组件数据 · 2026

纵向梁

Longitudinal beams are primary structural members in machine frames that provide lengthwise support and stability.

技术定义与适配语境
典型 纵向梁 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。

Longitudinal beams are critical load-bearing structural components in industrial machinery frames, designed to withstand axial loads, bending moments, and torsional stresses along the machine's length. They serve as the backbone of the main frame, transferring operational forces to supporting structures while maintaining dimensional stability and alignment of connected components.

组件规格

定义
Longitudinal beams are critical load-bearing structural components in industrial machinery frames, designed to withstand axial loads, bending moments, and torsional stresses along the machine's length. They serve as the backbone of the main frame, transferring operational forces to supporting structures while maintaining dimensional stability and alignment of connected components.
工作原理
Longitudinal beams function according to beam theory principles, distributing loads through their cross-sectional geometry and material properties. They resist bending stresses through moment of inertia characteristics, transfer shear forces through web sections, and maintain structural integrity by preventing excessive deflection under dynamic and static loading conditions.
材料
Typically manufactured from structural steel (S355JRA36)aluminum alloys (6061-T67075-T6)or high-strength composites. Common specifications include: Yield strength: 235-355 MPa (steel)240-500 MPa (aluminum)Tensile strength: 400-510 MPa (steel)260-570 MPa (aluminum)Elastic modulus: 200 GPa (steel)69 GPa (aluminum).
Length
Customized per machine requirements (typically 1-10 meters)
Cross-section
I-beam, box beam, or custom profiles
Surface finish
Shot blasted, primed, or powder coated
Weight capacity
5-50 tons depending on design
Deflection limit
L/500 to L/1000
标准
ISO 5817DIN 18800ISO 12944EN 1090

行业分类与别名

纵向梁 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

Inadequate material selection or heat treatment->Premature fatigue cracking or plastic deformation->Implement material certification processes and specify appropriate safety factors (typically 2.0-3.0 for dynamic loads)
Improper welding procedures or quality control->Weld defects leading to stress concentrations and crack propagation->Follow qualified welding procedures (WPS), conduct NDT testing (UT, RT), and implement weld inspection protocols

工业生态与工程逻辑

0
Fatigue failure under cyclic loading
1
Buckling under compressive loads
2
Corrosion in harsh environments
3
Misalignment during installation
4
Resonance at critical frequencies

合规与检测

tolerance
±1.5 mm/m for straightness, ±0.5 mm for hole positioning, ±1° for angular alignment
test method
Laser alignment verification, ultrasonic thickness testing, load testing with strain gauges, non-destructive testing per ASTM E709

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 difference between longitudinal and transverse beams?

Longitudinal beams run parallel to the machine's primary axis and handle lengthwise loads, while transverse beams run perpendicular and handle crosswise loads. Both work together to create a rigid frame structure.

How are longitudinal beams typically connected to other frame components?

They are connected using welded joints, bolted connections with high-strength bolts (grade 8.8 or higher), or specialized mechanical fasteners designed to transfer shear and moment forces while allowing for thermal expansion.

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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
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URN:CNFX:ME:UNIT:LONGITUDINAL_BEAMS