行业组件数据 · 2026

定位销

Precision alignment pins used in blade holder frames for accurate positioning and repeatable assembly.

技术定义与适配语境
典型 定位销 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。

Alignment pins are precision-engineered cylindrical components designed to ensure exact positioning and alignment between mating parts in mechanical assemblies. In blade holder frames, they provide critical registration points that maintain dimensional accuracy, prevent misalignment during operation, and enable repeatable assembly and disassembly processes. These pins typically feature tight tolerances and specific geometric configurations to interface with corresponding bushings or holes.

组件规格

定义
Alignment pins are precision-engineered cylindrical components designed to ensure exact positioning and alignment between mating parts in mechanical assemblies. In blade holder frames, they provide critical registration points that maintain dimensional accuracy, prevent misalignment during operation, and enable repeatable assembly and disassembly processes. These pins typically feature tight tolerances and specific geometric configurations to interface with corresponding bushings or holes.
工作原理
Alignment pins work by providing precise geometric reference points between mating components. When inserted into corresponding holes or bushings, they create a fixed spatial relationship that prevents relative movement in critical directions. This ensures components maintain their intended alignment during assembly, operation, and maintenance cycles. The interference or clearance fit between pin and hole determines the precision of alignment and ease of assembly.
材料
Typically made from hardened tool steel (AISI D2A2or O1)stainless steel (304 or 416)or carbide for extreme wear resistance. Surface treatments may include nitridingchrome platingor titanium nitride coating for enhanced durability and corrosion resistance.
Hardness
58-62 HRC for steel pins
Head Types
Shoulder, knurled, threaded, or plain
Straightness
0.01 mm per 100 mm
Concentricity
0.005 mm TIR
Surface Finish
Ra 0.4 μm or better
Length Variations
Standard lengths 10-100 mm
Diameter Tolerance
±0.002 mm
标准
ISO 8734DIN 6325ISO 2768-mKDIN 7172

行业分类与别名

定位销 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 hardness or improper material selection->Premature wear leading to increased clearance and misalignment->Specify appropriate hardened materials with surface treatments; implement regular inspection and replacement schedules
Improper installation force or technique->Pin deformation or damage to mating components->Develop standardized installation procedures with torque specifications; use alignment tools and fixtures
Environmental contamination (chips, debris)->Binding or inaccurate positioning->Implement cleaning protocols before assembly; design protective features; use sealed alignment systems

工业生态与工程逻辑

0
Wear and dimensional degradation over time
1
Corrosion in harsh environments
2
Improper installation causing damage
3
Fatigue failure under cyclic loading
4
Contamination affecting precision fit

合规与检测

tolerance
Geometric tolerances per ISO 1101:2017; dimensional tolerances per ISO 2768-mK; fit classifications: H7/g6 for precision alignment, H7/h6 for sliding fits
test method
Coordinate measuring machine (CMM) verification; surface roughness testing per ISO 4287; hardness testing per ISO 6508; functional testing in assembly fixtures

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 alignment pins in blade holder frames?

Alignment pins ensure precise positioning and repeatable assembly of blade holder components, maintaining critical dimensional relationships that affect cutting accuracy and machine performance.

How do I select the right material for alignment pins?

Material selection depends on application requirements: hardened tool steel for general precision applications, stainless steel for corrosion resistance, and carbide for extreme wear conditions in high-volume production.

What tolerance standards apply to alignment pins?

Alignment pins typically follow ISO 8734 for dimensions and ISO 2768 for geometrical tolerances, with specific applications requiring even tighter controls per DIN 6325 or customer specifications.

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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:ALIGNMENT_PINS