行业组件数据 · 2026

垫圈/垫片

Washer/Spacer is a thin plate component used in fastener systems to distribute load, prevent loosening, and maintain precise spacing between machine parts.

技术定义与适配语境
典型 垫圈/垫片 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。

A washer/spacer is a mechanical component typically placed under a nut, bolt head, or between two surfaces in a fastener assembly. It serves multiple functions including load distribution to prevent surface damage, vibration damping to maintain bolt tension, corrosion prevention through isolation, and precise spacing to ensure proper alignment and clearance in mechanical systems. In industrial applications, washers/spacers are critical for maintaining structural integrity, reducing wear, and ensuring reliable operation of machinery.

组件规格

定义
A washer/spacer is a mechanical component typically placed under a nut, bolt head, or between two surfaces in a fastener assembly. It serves multiple functions including load distribution to prevent surface damage, vibration damping to maintain bolt tension, corrosion prevention through isolation, and precise spacing to ensure proper alignment and clearance in mechanical systems. In industrial applications, washers/spacers are critical for maintaining structural integrity, reducing wear, and ensuring reliable operation of machinery.
工作原理
Washers/spacers work by creating a larger bearing surface area to distribute compressive forces from fasteners, reducing stress concentration on connected materials. They absorb vibrations and thermal expansions to prevent fastener loosening, maintain consistent clamping force, and provide precise dimensional spacing to ensure proper alignment and functionality of assembled components.
材料
Common materials include carbon steel (AISI 1010-1020)stainless steel (AISI 304316)aluminum alloys (6061-T6)brassbronzeplastic (nylonPTFE)and rubber. Material selection depends on application requirements including corrosion resistanceelectrical insulationtemperature toleranceand load capacity.
Hardness
HRB 70-100 (steel)
Thickness
0.5-10 mm
Load Capacity
Varies by material and design
Inner Diameter
2.5-50 mm
Outer Diameter
5-100 mm
Surface Finish
Plain, zinc-plated, galvanized, passivated
标准
ISO 7089ISO 7090ISO 7091DIN 125DIN 126DIN 127ANSI B18.22.1

行业分类与别名

垫圈/垫片 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

Material fatigue under cyclic loading->Cracking or deformation->Use materials with appropriate fatigue strength, implement regular inspection protocols
Corrosion in harsh environments->Reduced thickness and load capacity->Select corrosion-resistant materials, apply protective coatings, use isolation washers
Incorrect installation torque->Improper clamping force distribution->Follow torque specifications, use calibrated tools, implement quality control checks

工业生态与工程逻辑

0
Incorrect material selection leading to corrosion
1
Improper sizing causing fastener failure
2
Inadequate load distribution damaging surfaces
3
Vibration-induced loosening
4
Thermal expansion mismatch

合规与检测

tolerance
±0.1 mm on critical dimensions per ISO 2768-m
test method
Dimensional verification per ISO 9001, load testing per ASTM F436, corrosion resistance per ASTM B117

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 a washer and a spacer?

Washers primarily distribute load and prevent surface damage, while spacers are specifically designed to maintain precise distances between components. Some products combine both functions.

How do I select the right washer/spacer material?

Consider application environment (corrosion, temperature), load requirements, electrical properties, and compatibility with connected materials. Consult engineering specifications and material data sheets.

What are the consequences of using incorrect washers/spacers?

Incorrect selection can lead to fastener loosening, material deformation, corrosion, electrical issues, premature failure, and compromised machine safety and performance.

我可以直接联系工厂吗?

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: 垫圈/垫片

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:WASHER_SPACER