行业组件数据 · 2026

润滑配件

Lubrication fittings are precision components that deliver lubricants to moving parts in industrial machinery, ensuring smooth operation and preventing wear.

技术定义与适配语境
典型 润滑配件 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。

Lubrication fittings, also known as grease fittings or Zerk fittings, are small mechanical devices installed on machinery components like sliders and carriages. They provide a sealed connection point for lubricant injection systems, allowing controlled delivery of grease or oil to bearing surfaces, slides, and other moving interfaces. These fittings maintain lubrication integrity by preventing contamination and ensuring consistent lubricant flow to reduce friction, heat generation, and component degradation in industrial applications.

组件规格

定义
Lubrication fittings, also known as grease fittings or Zerk fittings, are small mechanical devices installed on machinery components like sliders and carriages. They provide a sealed connection point for lubricant injection systems, allowing controlled delivery of grease or oil to bearing surfaces, slides, and other moving interfaces. These fittings maintain lubrication integrity by preventing contamination and ensuring consistent lubricant flow to reduce friction, heat generation, and component degradation in industrial applications.
工作原理
Lubrication fittings operate on a pressure-based principle. When a grease gun or automated lubrication system applies pressure, it forces lubricant through the fitting's internal check valve into the component's lubrication channel. The check valve prevents backflow and contamination, maintaining a sealed system. In sliders/carriages, this ensures lubricant reaches critical contact surfaces between moving parts, forming a protective film that minimizes direct metal-to-metal contact.
材料
Typically made from carbon steel (AISI 1010-1020)stainless steel (AISI 304/316 for corrosion resistance)or brass. Hardened steel balls are used in check valves. Seals are often Buna-N or Viton for chemical resistance.
Head Style
Standard, button-head, flush
Thread Size
1/8" NPT, 1/4" NPT, M6x1, M8x1.25
Ball Check Type
Spring-loaded or free-floating
Pressure Rating
Up to 10,000 psi (69 MPa)
Operating Temperature
-40°C to 150°C
标准
ISO 6149DIN 71412SAE J533

行业分类与别名

润滑配件 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

Contaminants blocking check valve->Lubricant starvation leading to increased friction and wear->Use protective caps, implement regular cleaning protocols, install inline filters
Incorrect installation torque->Thread damage causing leaks and fitting detachment->Use torque wrenches, follow manufacturer specifications, implement installation training
Material incompatibility with lubricant->Seal degradation and corrosion->Verify chemical compatibility charts, select appropriate material grades for application environment

工业生态与工程逻辑

0
Contamination ingress
1
Over-lubrication causing seal damage
2
Thread stripping during installation
3
Incompatible lubricant chemical reactions

合规与检测

tolerance
Thread tolerance: ISO 965-1 6g for external threads, 6H for internal threads. Dimensional tolerance: ±0.1mm on critical features.
test method
Pressure testing per ISO 6149: Hydrostatic test at 1.5x working pressure for 2 minutes. Leak test with air at 0.6 MPa. Ball check function test with calibrated pressure application.

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

How often should lubrication fittings on sliders be serviced?

Service intervals depend on operating conditions, but typically range from 50 to 500 hours. High-speed or high-load applications require more frequent lubrication. Follow manufacturer guidelines and monitor for signs of inadequate lubrication like increased noise or temperature.

Can different types of lubrication fittings be interchanged?

Not always. Fittings must match thread type, size, and pressure rating. Using incompatible fittings can cause leaks, contamination, or damage. Always verify specifications before replacement.

What causes lubrication fitting failures?

Common causes include contamination clogging the check valve, over-tightening damaging threads, using incorrect lubricants causing seal degradation, and physical impact deforming the fitting.

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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:LUBRICATION_FITTINGS