行业组件数据 · 2026

导向柱/导向套

Guide posts and bushings are precision alignment components in die and punch tooling that ensure accurate positioning and smooth movement between mating parts.

技术定义与适配语境
典型 导向柱/导向套 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 posts and bushings are critical components in precision tooling systems, particularly in die and punch applications. They consist of hardened cylindrical posts that fit into corresponding bushings to maintain precise alignment between the upper and lower sections of a tool or die set. These components prevent lateral movement, reduce wear on cutting edges, and ensure consistent part quality by controlling the parallelism and perpendicularity of tool movements during stamping, punching, or forming operations.

组件规格

定义
Guide posts and bushings are critical components in precision tooling systems, particularly in die and punch applications. They consist of hardened cylindrical posts that fit into corresponding bushings to maintain precise alignment between the upper and lower sections of a tool or die set. These components prevent lateral movement, reduce wear on cutting edges, and ensure consistent part quality by controlling the parallelism and perpendicularity of tool movements during stamping, punching, or forming operations.
工作原理
Guide posts slide into bushings with minimal clearance, creating a precise mechanical interface that restricts radial movement while allowing axial motion. The hardened surfaces and lubrication grooves reduce friction and wear, while the tight tolerances maintain alignment accuracy throughout the tool's operational life. The system operates on the principle of precision cylindrical guidance, where the post-bushing interface controls all degrees of freedom except the intended linear motion.
材料
Typically made from high-carbon tool steels (A2D2O1)case-hardened steelsor carbide for extreme wear applications. Bushings often incorporate bronze alloys or polymer composites for self-lubricating properties. Surface hardness ranges from 58-65 HRC for steel components.
Hardness
60-62 HRC
Straightness
0.01 mm/100 mm
Clearance Fit
H7/g6 or H7/f7
Concentricity
0.005 mm TIR
Surface Finish
0.2-0.4 μm Ra
Diameter Tolerance
±0.002 mm
标准
ISO 286DIN 1494JIS B 0401

行业分类与别名

导向柱/导向套 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

Insufficient lubrication->Increased friction and wear, potential seizure->Implement automatic lubrication systems, use self-lubricating bushing materials, establish regular maintenance schedules
Contamination from metal particles->Abrasive wear, scoring of surfaces->Install protective bellows or covers, implement regular cleaning protocols, use filtration in lubrication systems

工业生态与工程逻辑

0
Misalignment causing tool damage
1
Wear leading to dimensional inaccuracy
2
Gallting or seizing without proper lubrication
3
Fatigue failure under cyclic loading

合规与检测

tolerance
ISO IT6-IT7 grade for diameter, straightness within 0.01mm per 100mm length
test method
CMM measurement for dimensional accuracy, surface roughness testing, hardness testing per Rockwell C scale, functional testing in assembly

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 guide posts and guide bushings?

Guide posts are the male cylindrical components that provide the guiding surface, while bushings are the female components that receive the posts. Together they form a precision sliding pair that maintains alignment in tooling systems.

How often should guide posts and bushings be maintained?

Regular inspection every 50,000-100,000 cycles with lubrication at each tool change. Complete replacement typically occurs after 500,000-1,000,000 cycles depending on material and operating conditions.

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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。

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URN:CNFX:ME:UNIT:GUIDE_POSTS_BUSHINGS