行业组件数据 · 2026

拉杆

Tie rods are structural tension members that connect and stabilize press frame components to maintain alignment and resist operational forces.

技术定义与适配语境
典型 拉杆 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。

Tie rods are critical structural components in press frames, designed as slender, high-strength tension members that connect opposing sections of the frame. They counteract the separating forces generated during press operations, maintaining frame integrity, preventing deflection, and ensuring precise alignment of moving components. Typically installed horizontally or diagonally, they absorb tensile loads that would otherwise cause frame distortion or failure.

组件规格

定义
Tie rods are critical structural components in press frames, designed as slender, high-strength tension members that connect opposing sections of the frame. They counteract the separating forces generated during press operations, maintaining frame integrity, preventing deflection, and ensuring precise alignment of moving components. Typically installed horizontally or diagonally, they absorb tensile loads that would otherwise cause frame distortion or failure.
工作原理
Tie rods operate on the principle of tensile force resistance. During press operation, the frame experiences separating forces that attempt to push structural members apart. The tie rods, anchored at both ends with threaded connections and tensioning mechanisms, apply counteracting tensile forces to maintain frame geometry. This creates a balanced structural system where compression members (columns) and tension members (tie rods) work together to withstand operational loads.
材料
High-strength alloy steel (typically AISI 41404340or similar grades)heat-treated to achieve tensile strengths of 800-1200 MPa. Surface treatments include phosphate coatingblack oxideor zinc plating for corrosion resistance.
Length
500-5000 mm
Diameter
20-100 mm
Elongation
≥12%
Thread Type
Metric coarse or ACME threads
Surface Finish
Ra 3.2 μm or better
Yield Strength
≥600 MPa
Tensile Strength
≥800 MPa
标准
ISO 898-1DIN 976-1ASTM A193

行业分类与别名

拉杆 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

Insufficient preload during installation->Frame misalignment and reduced stiffness->Follow manufacturer tensioning specifications, use calibrated tensioning tools, verify preload with ultrasonic measurement
Material fatigue from cyclic operational loads->Sudden rod fracture during operation->Regular non-destructive testing (magnetic particle or ultrasonic), replacement at recommended service intervals, design with adequate fatigue safety factors
Corrosion in aggressive environments->Reduced cross-sectional area and premature failure->Apply appropriate protective coatings, maintain environmental controls, implement regular visual inspections

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Thread stripping due to improper tensioning
2
Corrosion in humid environments
3
Elongation beyond design limits

合规与检测

tolerance
Diameter: ±0.1 mm, Length: ±1.0 mm, Straightness: 0.5 mm/m
test method
Tensile testing per ISO 6892-1, hardness testing per ISO 6508-1, ultrasonic testing for internal defects, magnetic particle inspection for surface cracks

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 tie rods in a press frame?

The primary function is to maintain frame alignment and integrity by resisting tensile forces that occur during press operations, preventing frame distortion and ensuring precise component positioning.

How are tie rods tensioned in press frames?

Tie rods are tensioned using hydraulic tensioning tools or torque wrenches that apply precise preload to the rods, typically at 70-80% of yield strength, ensuring optimal structural performance.

What maintenance do tie rods require?

Regular inspection for elongation, thread wear, and corrosion; periodic retensioning as specified by manufacturer; and replacement if elongation exceeds 0.2% of original length or if visible damage occurs.

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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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