行业组件数据 · 2026

安装面

Precision-machined flat surface on a main flange body for accurate component mounting and alignment in industrial machinery.

技术定义与适配语境
典型 安装面 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。

A mounting face is a critical precision-machined planar surface on a main flange body, designed to provide a stable, flat, and accurately positioned interface for attaching other components, assemblies, or sub-systems. It ensures proper alignment, load distribution, and dimensional stability within a machine assembly, often featuring bolt holes, locating pins, or dowels for secure fastening. Its geometric accuracy (flatness, parallelism, perpendicularity) is essential for maintaining the overall precision and performance of the mechanical system.

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组件规格

定义
A mounting face is a critical precision-machined planar surface on a main flange body, designed to provide a stable, flat, and accurately positioned interface for attaching other components, assemblies, or sub-systems. It ensures proper alignment, load distribution, and dimensional stability within a machine assembly, often featuring bolt holes, locating pins, or dowels for secure fastening. Its geometric accuracy (flatness, parallelism, perpendicularity) is essential for maintaining the overall precision and performance of the mechanical system.
工作原理
The mounting face operates on the principle of providing a geometrically precise and rigid reference plane. When components are bolted or fastened to this surface, it ensures they are correctly aligned relative to the machine's axis or other critical features. This minimizes misalignment, reduces vibration, and distributes mechanical loads evenly, thereby maintaining the integrity and accuracy of the assembly. Its flatness and surface finish prevent distortion and ensure consistent contact pressure across the interface.
材料
Typically made from high-strength materials such as cast iron (e.g.Grade 250)ductile ironcarbon steel (e.g.AISI 1045)alloy steel (e.g.AISI 4140)or stainless steel (e.g.304316). Selection depends on required strengthwear resistancecorrosion resistanceand thermal stability. Surface hardness may be enhanced through treatments like induction hardening or nitriding to 45-60 HRC.
Hardness
180-300 HB (or as hardened)
Bolt Hole Pattern
As per flange design (e.g., 4x M12 on 150 mm PCD)
Flatness Tolerance
0.01-0.05 mm per 300 mm
Surface Roughness (Ra)
0.8-3.2 μm
Parallelism to Reference
0.02 mm max
Perpendicularity to Axis
0.03 mm max
标准
ISO 2768-mKDIN 7168ISO 1302DIN 3141

行业分类与别名

安装面 的常用贸易名称、技术标识和检索关键词。

mounting faceflange mounting surfacemachine component alignmentprecision machiningindustrial flangeflatness tolerancemechanical interface安装面Mounting Face机械和设备制造 安装面

上级产品

该组件会出现在以下整机或工业产品中。

主法兰体
化学反应器密封压盖组件的主要结构法兰部件。
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FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Inadequate surface finish or contamination during assembly.->Poor component alignment, leading to increased vibration, premature wear, or machine inaccuracy.->Implement strict cleaning protocols, specify Ra ≤ 1.6 μm, and use alignment pins or dowels.
Insufficient flatness tolerance or machining errors.->Uneven load distribution, causing stress concentrations, bolt fatigue, or flange cracking.->Apply geometric tolerancing per ISO 1101, use precision grinding or lapping, and conduct flatness verification with dial indicators or CMM.
Corrosion due to environmental exposure or incompatible materials.->Loss of surface integrity, reduced clamping force, and potential seizure of mounted components.->Select corrosion-resistant materials (e.g., stainless steel), apply protective coatings (e.g., zinc plating, paint), or use sealants in humid environments.

工业生态与工程逻辑

兼容对象
CNC machining centersIndustrial pumpsGearboxesPower transmission flangesHydraulic cylinders
可替换件
SKF flange unitsBosch Rexroth hydraulic flangesABB motor mountsParker Hannifin manifold blocks
0
Surface wear or scoring leading to misalignment
1
Corrosion compromising flatness
2
Improper bolt torque causing distortion
3
Thermal expansion affecting dimensional stability
4
Contamination (e.g., chips, debris) on the interface

合规与检测

tolerance
Geometric tolerances per ISO 1101:2017; general tolerances per ISO 2768-mK for linear dimensions and flatness.
test method
Flatness tested with precision straightedges and feeler gauges or coordinate measuring machines (CMM); surface roughness measured with profilometers per ISO 4287; hardness verified with Brinell or Rockwell testers.

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采购评估维度

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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。

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样品室检修门
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常见问题

What is the primary function of a mounting face on a main flange body?

Its primary function is to provide a precise, flat reference surface for attaching other components, ensuring accurate alignment, load distribution, and stability within the machine assembly.

How is flatness tolerance specified for a mounting face?

Flatness tolerance is typically specified per unit length (e.g., 0.02 mm per 300 mm) according to standards like ISO 2768 or DIN 7168, ensuring the surface deviates minimally from a perfect plane.

What materials are commonly used for mounting faces in heavy machinery?

Common materials include cast iron for damping properties, carbon steel for strength, and alloy steel for enhanced wear resistance, often with surface hardening treatments.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:MOUNTING_FACE