行业组件数据 · 2026

机架立柱

Vertical structural support column in mill housing that provides rigidity and alignment for milling operations.

技术定义与适配语境
典型 机架立柱 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。

The housing post is a critical vertical structural component within mill housing assemblies, designed to withstand substantial axial, bending, and torsional loads during metal cutting operations. It serves as the primary load-bearing element that maintains precise geometric alignment between the spindle, table, and other moving components, ensuring dimensional accuracy and surface finish quality in machined parts. Typically integrated into box-type or column-type mill housings, it features precision-machined mounting surfaces, internal reinforcement ribs, and strategically placed bolt patterns for secure attachment to foundations and cross-members.

组件规格

定义
The housing post is a critical vertical structural component within mill housing assemblies, designed to withstand substantial axial, bending, and torsional loads during metal cutting operations. It serves as the primary load-bearing element that maintains precise geometric alignment between the spindle, table, and other moving components, ensuring dimensional accuracy and surface finish quality in machined parts. Typically integrated into box-type or column-type mill housings, it features precision-machined mounting surfaces, internal reinforcement ribs, and strategically placed bolt patterns for secure attachment to foundations and cross-members.
工作原理
Functions as a rigid cantilever or fixed-end column that transfers operational forces (cutting, feed, acceleration) from the spindle assembly to the machine foundation while maintaining minimal deflection. Its geometric stability ensures the spindle axis remains perpendicular to the worktable under dynamic loading conditions, with internal damping characteristics reducing vibration transmission through the structure.
材料
High-strength cast iron (GGG-40/50)ductile iron (EN-GJS-400-18)or welded steel construction (S355JR) with normalized/annealed heat treatment. Critical wear surfaces may incorporate induction-hardened steel inserts (HRC 50-55) or stainless steel (AISI 304) guideway sections.
Height
1500-4000 mm
Cross-section
Rectangular: 300x400 mm to 600x800 mm
Wall Thickness
25-50 mm
Weight Capacity
5000-20000 kg
Perpendicularity
0.01 mm/300 mm
Surface Roughness
Ra 1.6 μm (guideways)
Flatness Tolerance
0.02 mm/m
标准
ISO 230-1DIN 8602ISO 10791-2

行业分类与别名

机架立柱 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 in stress concentration zones->Implement finite element analysis during design, incorporate fillet radii, use materials with high fatigue strength, conduct regular non-destructive testing
Uneven thermal expansion during continuous operation->Geometric distortion affecting machining accuracy->Install thermal compensation systems, use low thermal expansion materials, implement cooling channels, maintain stable workshop temperature
Inadequate foundation preparation->Settlement causing permanent misalignment->Conduct soil analysis, install reinforced concrete foundations with vibration isolation, use precision leveling systems, perform regular foundation inspections

工业生态与工程逻辑

0
Structural fatigue cracking
1
Thermal deformation from machining heat
2
Corrosion in humid environments
3
Foundation settlement affecting alignment
4
Vibration-induced resonance

合规与检测

tolerance
Geometric tolerances per ISO 2768-mK, straightness within 0.02 mm/m, perpendicularity within 0.01 mm/300 mm
test method
Laser interferometry for straightness/flatness, coordinate measuring machine for geometric verification, ultrasonic testing for material integrity, static load testing per ISO 230-1

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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 a housing post in milling machines?

The housing post provides vertical structural support and maintains precise alignment between the spindle and worktable, ensuring machining accuracy under operational loads.

How are housing posts typically manufactured?

They are manufactured through precision casting (for cast iron versions) or welded fabrication (for steel versions), followed by stress-relieving heat treatment and CNC machining of critical surfaces.

What maintenance is required for housing posts?

Regular inspection for cracks, corrosion, or deformation; lubrication of guideways; verification of alignment using laser interferometry; and periodic recalibration of mounting surfaces.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:HOUSING_POST