行业组件数据 · 2026

导销

Precision alignment components in mold assemblies that ensure proper positioning and movement of mold halves during operation.

技术定义与适配语境
典型 导销 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。

Guide pins are cylindrical precision components used in injection molds, die-casting molds, and other tooling systems to align and guide the movement of mold halves during opening and closing cycles. They maintain accurate positioning between core and cavity plates, preventing misalignment that could cause flash, part defects, or mold damage. Typically mounted on one mold half and sliding through bushings on the opposite half, they ensure repeatable precision throughout production cycles.

组件规格

定义
Guide pins are cylindrical precision components used in injection molds, die-casting molds, and other tooling systems to align and guide the movement of mold halves during opening and closing cycles. They maintain accurate positioning between core and cavity plates, preventing misalignment that could cause flash, part defects, or mold damage. Typically mounted on one mold half and sliding through bushings on the opposite half, they ensure repeatable precision throughout production cycles.
工作原理
Guide pins operate on the principle of mechanical alignment through sliding contact. During mold closure, the tapered or rounded tip of the pin engages with a corresponding bushing, guiding the mold halves into precise alignment before full closure. The cylindrical body maintains this alignment throughout the molding cycle, with lubrication reducing friction and wear. This ensures consistent part dimensions and prevents lateral forces from damaging mold components.
材料
Typically made from hardened tool steels (AISI D2A2or S7)stainless steels (440C)or carbide for high-wear applications. Surface hardness ranges from 58-62 HRC with ground or polished finishes (Ra 0.4-0.8 μm) to minimize friction. May feature chrome plating or nitriding for corrosion resistance and reduced galling.
Length
50-300 mm
Diameter
6-50 mm
Hardness
58-62 HRC
Tolerance
h6/g6 fit
Straightness
0.01 mm/100 mm
Surface Finish
Ra 0.4-0.8 μm
标准
ISO 8015DIN 6325JIS B 0401

行业分类与别名

导销 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 lubrication->Increased friction and wear, galling, seizure->Implement scheduled lubrication, use self-lubricating bushings, monitor temperature
Contamination from molding materials->Abrasive wear, scoring, loss of precision->Install protective covers, implement regular cleaning protocols, use hardened materials
Improper installation or alignment->Bending, breakage, accelerated bushing wear->Follow installation torque specifications, verify parallelism, use alignment tools during assembly

工业生态与工程逻辑

0
Misalignment causing flash or part defects
1
Wear leading to reduced precision
2
Corrosion in humid environments
3
Galling without proper lubrication
4
Breakage from excessive side loads

合规与检测

tolerance
ISO 2768-mK for general dimensions, h6/g6 fit for sliding surfaces
test method
CMM measurement for dimensional accuracy, surface roughness testing per ISO 4287, hardness testing per ISO 6508

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 pins and leader pins?

Guide pins and leader pins are often used interchangeably, but guide pins typically refer to smaller alignment components, while leader pins are larger and may carry more structural load. Both serve similar alignment functions in mold assemblies.

How often should guide pins be lubricated?

Lubrication frequency depends on cycle speed and material. For standard operations, apply high-temperature mold grease every 50,000-100,000 cycles or during scheduled maintenance. Self-lubricating bushings can extend intervals.

Can worn guide pins cause part defects?

Yes, excessive wear can cause misalignment leading to flash, uneven wall thickness, dimensional inaccuracies, and increased wear on other mold components. Regular inspection and replacement are recommended.

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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: 导销

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URN:CNFX:ME:UNIT:GUIDE_PINS