行业组件数据 · 2026

导柱/导套

Precision alignment components in die sets that ensure accurate positioning and smooth movement between upper and lower dies during stamping operations.

技术定义与适配语境
典型 导柱/导套 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。

Guide pins and bushings are critical precision components in die sets used in metal stamping and forming operations. Guide pins are cylindrical rods mounted on the lower die shoe, while bushings are precision-honed sleeves installed in the upper die shoe. These components work together to maintain precise alignment between the upper and lower dies throughout the press stroke, ensuring accurate part production and preventing die damage from misalignment.

组件规格

定义
Guide pins and bushings are critical precision components in die sets used in metal stamping and forming operations. Guide pins are cylindrical rods mounted on the lower die shoe, while bushings are precision-honed sleeves installed in the upper die shoe. These components work together to maintain precise alignment between the upper and lower dies throughout the press stroke, ensuring accurate part production and preventing die damage from misalignment.
工作原理
Guide pins slide into corresponding bushings during die closure, creating a precise mechanical alignment system. The close-tolerance fit between pins and bushings (typically 0.0005-0.0015 inches clearance) ensures the upper and lower dies maintain perfect registration throughout the press cycle. This prevents lateral movement, reduces wear on cutting edges, and ensures consistent part quality across production runs.
材料
Typically made from high-carbon tool steel (A2D2O1)case-hardened steelor carbide for high-wear applications. Surface treatments include chrome platingnitridingor titanium nitride coating for enhanced wear resistance and corrosion protection.
Hardness
58-62 HRC
Length Range
50-500 mm
Clearance Fit
0.0005-0.0015 inches
Concentricity
0.002 mm TIR
Diameter Range
10-100 mm
Surface Finish
0.2-0.8 μm Ra
Straightness Tolerance
0.001 mm per 100 mm
标准
ISO 9182DIN 9835JIS B 5012ANSI B5.48

行业分类与别名

导柱/导套 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

Inadequate lubrication->Gallowing and seizing of components->Implement automatic lubrication systems with proper intervals; use high-temperature lubricants; establish maintenance schedules
Contamination from metal particles->Abrasive wear and scoring->Install protective bellows or covers; implement regular cleaning protocols; use magnetic separators in lubrication systems
Excessive press misalignment->Premature wear and component failure->Regular press alignment checks; use precision alignment tools; implement preventive maintenance programs

工业生态与工程逻辑

0
Misalignment causing part defects
1
Excessive wear leading to tool damage
2
Gallowing or seizing due to inadequate lubrication
3
Fatigue failure from cyclic loading
4
Contamination causing abrasive wear

合规与检测

tolerance
ISO 2768-mK for general dimensions, ISO 286 for fits and tolerances
test method
Coordinate measuring machine (CMM) verification, surface roughness testing per ISO 4287, hardness testing per ISO 6508, dimensional inspection with micrometers and bore gauges

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 purpose of guide pins and bushings in die sets?

Guide pins and bushings provide precise alignment between upper and lower dies during stamping operations, preventing misalignment that could cause part defects, tool damage, or press malfunction.

How often should guide pins and bushings be inspected?

Regular inspection should occur every 50,000-100,000 cycles depending on material thickness and press speed. Daily visual checks for scoring or galling are recommended, with detailed measurement of clearance and wear every 3-6 months.

What are the signs of worn guide pins or bushings?

Visible scoring marks, increased clearance (loose fit), vibration during press operation, inconsistent part dimensions, excessive noise, and metal shavings in the lubrication system indicate wear.

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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
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: 导柱/导套

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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URN:CNFX:ME:UNIT:GUIDE_PINS_BUSHINGS