行业组件数据 · 2026

定位销/衬套

Precision alignment pins and bushings for accurate positioning and repeatability in mold carriers and fixtures.

技术定义与适配语境
典型 定位销/衬套 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 and bushings are precision-engineered components used in mold carriers, fixtures, and tooling systems to ensure accurate positioning, alignment, and repeatability during assembly and operation. They consist of hardened pins that fit into corresponding bushings or sleeves, providing a secure and precise interface that prevents misalignment, reduces wear, and maintains dimensional stability in industrial applications.

组件规格

定义
Alignment pins and bushings are precision-engineered components used in mold carriers, fixtures, and tooling systems to ensure accurate positioning, alignment, and repeatability during assembly and operation. They consist of hardened pins that fit into corresponding bushings or sleeves, providing a secure and precise interface that prevents misalignment, reduces wear, and maintains dimensional stability in industrial applications.
工作原理
Alignment pins and bushings work on the principle of interference fit and precise geometric mating. The pin, typically with a tapered or straight shank, engages with a corresponding bushing that has a matching internal diameter. This creates a rigid connection that aligns components accurately, distributes loads evenly, and prevents lateral movement or rotation, ensuring consistent positioning across multiple cycles.
材料
Typically made from hardened tool steel (e.g.A2D2or H13)stainless steel (e.g.440C or 17-4PH)or carbide for high-wear applications. Bushings may include bronze or polymer inserts for reduced friction. Surface treatments like nitridingchrome platingor TiN coating enhance wear resistance and corrosion protection.
Hardness
58-62 HRC for steel components
Length Range
10-200 mm
Load Capacity
Up to 500 MPa depending on size and material
Surface Finish
0.2-0.8 μm Ra
Diameter Tolerance
±0.002 mm to ±0.01 mm
标准
ISO 2768DIN 6325ISO 286DIN 7172

行业分类与别名

定位销/衬套 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

Wear from repeated insertion/removal cycles->Increased clearance leading to misalignment->Use hardened materials, apply wear-resistant coatings, and implement regular inspection and replacement schedules.
Improper installation or over-torquing->Damage to pin or bushing, causing binding or breakage->Follow manufacturer installation guidelines, use torque-limiting tools, and train operators on proper handling.
Contamination (e.g., dirt, chips) in the bushing->Scoring, reduced accuracy, or jamming->Implement cleaning protocols, use protective caps when not in use, and design with seals or covers where possible.

工业生态与工程逻辑

0
Misalignment due to wear or damage
1
Gallling or seizing in high-load applications
2
Corrosion in humid or chemical environments
3
Fatigue failure under cyclic loading

合规与检测

tolerance
Typically within IT6 to IT7 grade per ISO 286 for precision fits
test method
Dimensional inspection using CMM (Coordinate Measuring Machine), hardness testing per ASTM E18, and wear testing per ASTM G99.

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 alignment pins and bushings?

Alignment pins are the male components that insert into bushings, which are the female receptacles. Together, they form a mating pair that ensures precise alignment and positioning.

How do I select the right alignment pin and bushing for my application?

Consider factors like load capacity, required precision, material compatibility, environmental conditions (e.g., temperature, corrosion), and cycle life. Consult manufacturer specifications and industry standards like ISO or DIN.

Can alignment pins and bushings be used in high-temperature applications?

Yes, if made from heat-resistant materials like H13 tool steel or carbide, and with appropriate thermal expansion considerations in design.

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CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

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
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 定位销/衬套

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URN:CNFX:ME:UNIT:ALIGNMENT_PINS_BUSHINGS